Professor Golutvin

Aaij R, Beteta CA, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Albero AA, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amerio S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, d'Argent P, Romeu JA, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barrand GC, Barsuk S, Barter W, Bartolini M, baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Beddow J, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belin S, Beliy N, Bellee V, Belloli N, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, van Beuzekom M, Bezshyiko I, Bhasin S, Bhom J, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Bossu F, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Perez DHC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casse G, Cassina L, Cattaneo M, Cavallero G, Cenci R, Chamont D, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chitic S-G, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Coombs G, Coquereau S, Corti G, Corvo M, Sobral CMC, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, D'Ambrosio C, Da Cunha Marinho F, Da Silva CL, Dall'Occo Eet al., 2020, Strong constraints on the <i>b</i> → <i>sγ</i> photon polarisation from <i>B</i><SUP>0</SUP> → <i>K</i><SUP>*0</SUP><i>e</i><SUP>+</SUP><i>e<SUP>-</SUP></i> decays, JOURNAL OF HIGH ENERGY PHYSICS, ISSN: 1029-8479

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• Citations: 21

Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Aliouche Z, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreianov A, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Bachmayer M, Back JJ, Baker S, Rodriguez PB, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bian L, Bieker MS, Bifani S, Boelhauve JA, Billoir P, Bishop FCR, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bouchiba SA, Bowcock TJ, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Gomez MC, Magalhaes PC, Camboni A, Campana P, Perez DHC, Quezada AFC, Capelli S, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chadwick AJ, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JABet al., 2020, Model-Independent Study of Structure in <i>B</i><SUP>+</SUP> → <i>D</i><SUP>+</SUP><i>D</i><SUP>-</SUP><i>K</i><SUP>+</SUP> Decays, PHYSICAL REVIEW LETTERS, Vol: 125, ISSN: 0031-9007

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• Citations: 35

Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Aliouche Z, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreianov A, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Bachmayer M, Back JJ, Baker S, Rodriguez PB, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bian L, Bieker MS, Bifani S, Boelhauve JA, Billoir P, Bishop FCR, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bouchiba SA, Bowcock TJ, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Gomez MC, Magalhaes PC, Camboni A, Campana P, Perez DHC, Quezada AFC, Capelli S, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chadwick AJ, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JABet al., 2020, Constraints on the <i>K_S</i><SUP>0</SUP> → μ<SUP>+</SUP> μ<SUP>-</SUP> Branching Fraction, PHYSICAL REVIEW LETTERS, Vol: 125, ISSN: 0031-9007

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• Citations: 6

Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Aliouche Z, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreianov A, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Bachmayer M, Back JJ, Baker S, Rodriguez PB, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bian L, Bieker MS, Bifani S, Boelhauve JA, Billoir P, Bishop FCR, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bouchiba SA, Bowcock TJ, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Gomez MC, Magalhaes PC, Camboni A, Campana P, Perez DHC, Quezada AFC, Capelli S, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chadwick AJ, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JABet al., 2020, Observation of Enhanced Double Parton Scattering in Proton-Lead Collisions at √<i>s_NN</i>=8.16 TeV, PHYSICAL REVIEW LETTERS, Vol: 125, ISSN: 0031-9007

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• Citations: 8

Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Aliouche Z, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreianov A, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Bachmayer M, Back JJ, Baker S, Rodriguez PB, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bian L, Bieker MS, Bifani S, Boelhauve JA, Billoir P, Bishop FCR, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bouchiba SA, Bowcock TJ, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Gomez MC, Magalhaes PC, Camboni A, Campana P, Perez DHC, Quezada AFC, Capelli S, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chadwick AJ, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JABet al., 2020, Search for the doubly heavy Ξbc0 baryon via decays to <i>D</i><SUP>0</SUP><i>pK</i><SUP><i>-</i></SUP>, JOURNAL OF HIGH ENERGY PHYSICS, ISSN: 1029-8479

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• Citations: 17

Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Aliouche Z, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreianov A, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Bachmayer M, Back JJ, Baker S, Rodriguez PB, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bian L, Bieker MS, Bifani S, Boelhauve JA, Billoir P, Bishop FCR, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bouchiba SA, Bowcock TJ, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Gomez MC, Magalhaes PC, Camboni A, Campana P, Perez DHC, Quezada AFC, Capelli S, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chadwick AJ, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JABet al., 2020, Study of the lineshape of the χ_c1 (3872) state, PHYSICAL REVIEW D, Vol: 102, ISSN: 2470-0010

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• Citations: 29

Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Aliouche Z, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreianov A, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Bachmayer M, Back JJ, Baker S, Rodriguez PB, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bian L, Bieker MS, Bifani S, Boelhauve JA, Billoir P, Bishop FCR, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bouchiba SA, Bowcock TJ, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Gomez MC, Magalhaes PC, Camboni A, Campana P, Perez DHC, Quezada AFC, Capelli S, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chadwick AJ, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JABet al., 2020, Searches for low-mass dimuon resonances, JOURNAL OF HIGH ENERGY PHYSICS, ISSN: 1029-8479

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• Citations: 31

Aaij R, Beteta CA, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Albero AA, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amerio S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, d'Argent P, Romeu JA, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barrand GC, Barsuk S, Barter W, Bartolini M, baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Beddow J, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belin S, Beliy N, Bellee V, Belloli N, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, van Beuzekom M, Bezshyiko I, Bhasin S, Bhom J, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Bossu F, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Perez DHC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casse G, Cassina L, Cattaneo M, Cavallero G, Cenci R, Chamont D, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chitic S-G, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Coombs G, Coquereau S, Corti G, Corvo M, Sobral CMC, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, D'Ambrosio C, Da Cunha Marinho F, Da Silva CL, Dall'Occo Eet al., 2020, Search for <i>CP</i> violation in Ξ_c<SUP>+</SUP> → <i>pK</i><SUP>-</SUP> π<SUP>+</SUP> decays using model-independent techniques, EUROPEAN PHYSICAL JOURNAL C, Vol: 80, ISSN: 1434-6044

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• Citations: 16

Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Aliouche Z, Alkhazov G, Cartelle PA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreianov A, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Bachmayer M, Back JJ, Baker S, Baladron Rodriguez P, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bian L, Bieker MS, Bifani S, Billoir P, Birch M, Bishop FCR, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boelhauve JA, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bouchiba SA, Bowcock TJ, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Calvo Gomez M, Magalhaes PC, Camboni A, Campana P, Perez DHC, Quezada AFC, Capelli S, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chadwick AJ, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariet al., 2020, First branching fraction measurement of the suppressed decay Ξ_<i>c</i><SUP>0</SUP> → π<SUP>-</SUP> Λ_<i>c</i><SUP>+</SUP>, PHYSICAL REVIEW D, Vol: 102, ISSN: 2470-0010

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• Citations: 13

Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Albero AA, Aliouche Z, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreianov A, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Bachmayer M, Back JJ, Baker S, Rodriguez PB, Balagura V, Baldini W, Leite JB, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bian L, Bieker MS, Bifani S, Billoir P, Birch M, Bishop FCR, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boelhauve JA, Garcia OB, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bouchiba SA, Bowcock TJ, Boyer A, Bozzi C, Bradley MJ, Braun S, Rodriguez AB, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Gomez MC, Magalhaes PC, Camboni A, Campana P, Perez DHC, Quezada AFC, Capelli S, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Akiba KC, Vidal AC, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chadwick AJ, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Vidal XC, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo Tet al., 2020, First observation of the decay <i>B</i><SUP>0 </SUP>→ <i>D</i><SUP>0</SUP>(<i>D</i>)over-bar<SUP>0</SUP><i>K</i><SUP>+</SUP>π<SUP>-</SUP>, PHYSICAL REVIEW D, Vol: 102, ISSN: 2470-0010

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Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Albero AA, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Romeu JA, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Bassi G, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjrn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Garcia OB, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJ, Bozzi C, Braun S, Rodriguez AB, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Cali S, Calladine R, Calvi M, Gomez MC, Camboni A, Campana P, Perez DHC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Akiba KC, Vidal AC, Casse G, Cattaneo M, Cavallero G, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cicala MF, Vidal XC, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Sobral CMC, Couturier B, Craik DC, Crocombe A, Torres MC, Currie R, Silva CL, Dall'Ocet al., 2020, Search for CP violation and observation of P violation in Lambda(0)(b) -> p pi(-) pi(+) pi(-) decays, Physical Review D: Particles, Fields, Gravitation and Cosmology, Vol: 102, Pages: 1-12, ISSN: 1550-2368

A search for CP violation in the Λ0b→pπ−π+π− decay is performed using LHCb data corresponding to an integrated luminosity of 6.6  fb−1 collected in pp collisions at center-of-mass energies of 7, 8 and 13 TeV. The analysis uses both triple product asymmetries and the unbinned energy test method. The highest significances of CP asymmetry are 2.9 standard deviations from triple product asymmetries and 3.0 standard deviations for the energy test method. Once the global p-value is considered, all results are consistent with no CP violation. Parity violation is observed at a significance of 5.5 standard deviations for the triple product asymmetry method and 5.3 standard deviations for the energy test method. The reported deviations are given in regions of phase space.

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Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Aliouche Z, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreianov A, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Bachmayer M, Back JJ, Baker S, Rodriguez PB, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bian L, Bieker MS, Bifani S, Boelhauve JA, Billoir P, Bishop FCR, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bouchiba SA, Bowcock TJ, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Gomez MC, Magalhaes PC, Camboni A, Campana P, Perez DHC, Quezada AFC, Capelli S, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chadwick AJ, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JABet al., 2020, Study of the <i>ψ</i>₂(3823) and<i>χ</i>_c1(3872) states in B<SUP>+</SUP><i>→</i>(J<i>/ψπ</i><SUP>+</SUP><i>π<SUP>-</SUP></i>)K<SUP>+</SUP>decays, JOURNAL OF HIGH ENERGY PHYSICS, ISSN: 1029-8479

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• Citations: 45

Aaij R, Beteta CA, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Albero AA, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amerio S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, d'Argent P, Romeu JA, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barrand GC, Barsuk S, Barter W, Bartolini M, baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Beddow J, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belin S, Beliy N, Bellee V, Belloli N, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, van Beuzekom M, Bezshyiko I, Bhasin S, Bhom J, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Bossu F, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Perez DHC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casse G, Cassina L, Cattaneo M, Cavallero G, Cenci R, Chamont D, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chitic S-G, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Coombs G, Coquereau S, Corti G, Corvo M, Sobral CMC, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, D'Ambrosio C, Da Cunha Marinho F, Da Silva CL, Dall'Occo Eet al., 2020, Measurement of the branching fraction of the decay B-s(0) -> (KSKS0)-K-0, Physical Review D: Particles, Fields, Gravitation and Cosmology, Vol: 102, Pages: 012011 – 1-012011 – 15, ISSN: 1550-2368

A measurement of the branching fraction of the decay B0s→K0SK0S is performed using proton–proton collision data corresponding to an integrated luminosity of 5  fb−1 collected by the LHCb experiment between 2011 and 2016. The branching fraction is determined to be B(B0s→K0SK0S)=[8.3±1.6(stat)±0.9(syst)±0.8(norm)±0.3(fs/fd)]×10−6, where the first uncertainty is statistical, the second is systematic, and the third and fourth are due to uncertainties on the branching fraction of the normalization mode B0→ϕK0S and the ratio of hadronization fractions fs/fd. This is the most precise measurement of this branching fraction to date. Furthermore, a measurement of the branching fraction of the decay B0→K0SK0S is performed relative to that of the B0s→K0SK0S channel, and is found to be B(B0→K0SK0S)B(B0s→K0SK0S)=[7.5±3.1(stat)±0.5(syst)±0.3(fs/fd)]×10−2.

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Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJ, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buchler-Germann A, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Gomez MC, Magalhaes PC, Camboni A, Campana P, Perez DHC, Quezada AFC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Contu A, Cooke N, Coombs G, Coquereauet al., 2020, Precision measurement of the B-c(+) meson mass, The Journal of High Energy Physics, Vol: 2020, Pages: 1-21, ISSN: 1029-8479

A precision measurement of the B+c meson mass is performed using proton- proton collision data collected with the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to a total integrated luminosity of 9.0 fb−1. The B+c mesons are reconstructed via the decays B+c→ J/ψπ+, B+c→ J/ψπ+π−π+, B+c→J/ψpp¯¯¯π+, B+c→J/ψD+s, B+c→ J/ψ D0K+ and B+c→B0sπ+. Combining the results of the individual decay channels, the B+c mass is measured to be 6274.47 ± 0.27 (stat) ± 0.17 (syst) MeV/c2. This is the most precise measurement of the B+c mass to date. The difference between the B+c and B0s meson masses is measured to be 907.75 ± 0.37 (stat) ± 0.27 (syst) MeV/c.

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Aaij R, Beteta CA, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Albero AA, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amerio S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, d'Argent P, Romeu JA, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barrand GC, Barsuk S, Barter W, Bartolini M, baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Beddow J, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belin S, Beliy N, Bellee V, Belloli N, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, van Beuzekom M, Bezshyiko I, Bhasin S, Bhom J, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Bossu F, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Perez DHC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casse G, Cassina L, Cattaneo M, Cavallero G, Cenci R, Chamont D, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chitic S-G, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Coombs G, Coquereau S, Corti G, Corvo M, Sobral CMC, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, D'Ambrosio C, Da Cunha Marinho F, Da Silva CL, Dall'Occo Eet al., 2020, Updated measurement of time-dependent CP-violating observables in B-s(0) -> J/psi K+ K- decays (vol 79, 706, 2019), European Physical Journal C: Particles and Fields, Vol: 80, Pages: 1-8, ISSN: 1124-1861

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Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Cartelle PA, Alves Jr AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjrn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJ, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buchler-Germann A, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Calvo Gomez M, Magalhaes PC, Camboni A, Campana P, Perez DHC, Quezada AFC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Contu A, Cooke N, Coombs G, Coquereau Set al., 2020, Measurement of CP-averaged observables in the B-0 -> K-star 0 mu(+)mu(-) decay, Physical Review Letters, Vol: 125, Pages: 011802 – 1-011802 – 13, ISSN: 0031-9007

An angular analysis of the B0→K*0(→K+π−)μ+μ− decay is presented using a dataset corresponding to an integrated luminosity of 4.7  fb−1 of pp collision data collected with the LHCb experiment. The full set of CP-averaged observables are determined in bins of the invariant mass squared of the dimuon system. Contamination from decays with the K+π− system in an S-wave configuration is taken into account. The tension seen between the previous LHCb results and the standard model predictions persists with the new data. The precise value of the significance of this tension depends on the choice of theory nuisance parameters.

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Aaij R, Beteta CA, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Albero AA, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amerio S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, d'Argent P, Romeu JA, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barrand GC, Barsuk S, Barter W, Bartolini M, baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Beddow J, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belin S, Beliy N, Bellee V, Belloli N, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, van Beuzekom M, Bezshyiko I, Bhasin S, Bhom J, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Bossu F, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Perez DHC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casse G, Cassina L, Cattaneo M, Cavallero G, Cenci R, Chamont D, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chitic S-G, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Coombs G, Coquereau S, Corti G, Corvo M, Sobral CMC, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, D'Ambrosio C, Da Cunha Marinho F, Da Silva CL, Dall'Occo Eet al., 2020, Observation of a new baryon state in the Lambda(0)(b)pi(+)pi(-) mass spectrum, The Journal of High Energy Physics, Vol: 2020, ISSN: 1029-8479

A new baryon state is observed in the Λ0bπ+π− mass spectrum with high significance using a data sample of pp collisions, collected with the LHCb detector at centre-of-mass energies s√= 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 fb−1. The mass and natural width of the new state are measured to bem=6072.3±2.9±0.6±0.2 MeV,Γ=72±11±2 MeV,where the first uncertainty is statistical and the second systematic. The third uncertainty for the mass is due to imprecise knowledge of the Λ0bbaryon mass. The new state is consistent with the first radial excitation of the Λ0b baryon, the Λb(2S)0 resonance. Updated measurements of the masses and the upper limits on the natural widths of the previously observed Λb(5912)0 and Λb(5920)0 states are also reported.

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Aaij R, Beteta CA, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Albero AA, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amerio S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, d'Argent P, Romeu JA, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barrand GC, Barsuk S, Barter W, Bartolini M, baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Beddow J, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belin S, Beliy N, Bellee V, Belloli N, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, van Beuzekom M, Bezshyiko I, Bhasin S, Bhom J, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Bossu F, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Perez DHC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casse G, Cassina L, Cattaneo M, Cavallero G, Cenci R, Chamont D, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chitic S-G, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Coombs G, Coquereau S, Corti G, Corvo M, Sobral CMC, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, D'Ambrosio C, Da Cunha Marinho F, Da Silva CL, Dall'Occo Eet al., 2020, Search for the lepton flavour violating decay B+ -> K+mu(-)tau(+) using Bs20 decays, The Journal of High Energy Physics, Vol: 2020, Pages: 1-19, ISSN: 1029-8479

A search is presented for the lepton flavour violating decay B+ → K+μ−τ+ using a sample of proton-proton collisions at centre-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated luminosity of 9 fb−1. The τ leptons are selected inclusively, primarily via decays with a single charged particle. The four-momentum of the τ lepton is determined by using B+ mesons from B∗0s2→B+K− decays. No significant excess is observed, and an upper limit is set on the branching fractionℬ(B+ → K+μ−τ+) < 3.9 × 10−5 at 90 %  confidence level.The obtained limit is comparable to the world-best limit.

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Aaij R, Beteta CA, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Albero AA, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amerio S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, d'Argent P, Romeu JA, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barrand GC, Barsuk S, Barter W, Bartolini M, baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Beddow J, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belin S, Beliy N, Bellee V, Belloli N, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, van Beuzekom M, Bezshyiko I, Bhasin S, Bhom J, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Bossu F, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Perez DHC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casse G, Cassina L, Cattaneo M, Cavallero G, Cenci R, Chamont D, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chitic S-G, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Coombs G, Coquereau S, Corti G, Corvo M, Sobral CMC, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, D'Ambrosio C, Da Cunha Marinho F, Da Silva CL, Dall'Occo Eet al., 2020, Measurement of the Lambda(0)(b) -> J/psi Lambda angular distribution and the Lambda(0)(b) polarisation in pp collisions, The Journal of High Energy Physics, Vol: 2020, Pages: 1-30, ISSN: 1029-8479

This paper presents an analysis of the Λ0b→ J/ψΛ angular distribution and the transverse production polarisation of Λ0b baryons in proton-proton collisions at centre-of-mass energies of 7, 8 and 13 TeV. The measurements are performed using data corresponding to an integrated luminosity of 4.9 fb−1, collected with the LHCb experiment. The polarisation is determined in a fiducial region of Λ0b transverse momentum and pseudorapidity of 1 < pT< 20 GeV/c and 2 < η < 5, respectively. The data are consistent with Λ0b baryons being produced unpolarised in this region. The parity-violating asymmetry parameter of the Λ → pπ− decay is also determined from the data and its value is found to be consistent with a recent measurement by the BES III collaboration.

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Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Cartelle PA, Alves Jr AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJ, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buchler-Germann A, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Calvo Gomez M, Magalhaes PC, Camboni A, Campana P, Perez DHC, Quezada AFC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Cooet al., 2020, Measurement of CP observables in B-+/- -> DK +/- and B-+/- -> D pi(+/-) with D -> KS0<mml:msup>K +/-</mml:msup><mml:msup>pi -/+</mml:msup> decays, The Journal of High Energy Physics, Vol: 2020, ISSN: 1029-8479

Measurements of CP observables in B± → DK± and B± → Dπ± decays are presented, where D represents a superposition of D0 and D¯¯¯¯0 states. The D meson is reconstructed in the three-body final states K0SK±π∓ and K0SK∓π±. The analysis uses samples of B mesons produced in proton-proton collisions, corresponding to an integrated luminosity of 1.0, 2.0, and 6.0 fb−1 collected with the LHCb detector at centre-of-mass energies of s√ = 7, 8, and 13 TeV, respectively. These measurements are the most precise to date, and provide important input for the determination of the CKM angle γ.

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Aaij R, Abellán Beteta C, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJV, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Büchler-Germann A, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calero Diaz L, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camargo Magalhaes P, Camboni A, Campana P, Campora Perez DH, Campoverde Quezada AF, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L Cet al., 2020, Observation of New Ξ_{c}^{0} Baryons Decaying to Λ_{c}^{+}K^{-}, Physical Review Letters, Vol: 124, Pages: 222001-222001, ISSN: 0031-9007

The Λ_{c}^{+}K^{-} mass spectrum is studied with a data sample of pp collisions at a center-of-mass energy of 13 TeV corresponding to an integrated luminosity of 5.6  fb^{-1} collected by the LHCb experiment. Three Ξ_{c}^{0} states are observed with a large significance and their masses and natural widths are measured to be m[Ξ_{c}(2923)^{0}]=2923.04±0.25±0.20±0.14  MeV, Γ[Ξ_{c}(2923)^{0}]=7.1±0.8±1.8  MeV, m[Ξ_{c}(2939)^{0}]=2938.55±0.21±0.17±0.14  MeV, Γ[Ξ_{c}(2939)^{0}]=10.2±0.8±1.1  MeV, m[Ξ_{c}(2965)^{0}]=2964.88±0.26±0.14±0.14  MeV, Γ[Ξ_{c}(2965)^{0}]=14.1±0.9±1.3  MeV, where the uncertainties are statistical, systematic, and due to the limited knowledge of the Λ_{c}^{+} mass. The Ξ_{c}(2923)^{0} and Ξ_{c}(2939)^{0} baryons are new states. The Ξ_{c}(2965)^{0} state is in the vicinity of the known Ξ_{c}(2970)^{0} baryon; however, their masses and natural widths differ significantly.

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Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Cartelle PA, Alves Jr AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baptista Leite J, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJ, Boyer A, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buchler-Germann A, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Calvo Gomez M, Magalhaes PC, Camboni A, Campana P, Perez DHC, Quezada AFC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Contu A, Cooke N, Coombs G, Coquereaet al., 2020, Observation of new Xi(0)(c) baryons decaying to lambda K-+(c)-, Physical Review Letters, Vol: 124, Pages: 222001-1-222001-11, ISSN: 0031-9007

The Λ+cK− mass spectrum is studied with a data sample of pp collisions at a center-of-mass energy of 13 TeV corresponding to an integrated luminosity of 5.6  fb−1 collected by the LHCb experiment. Three Ξ0c states are observed with a large significance and their masses and natural widths are measured to be m[Ξc(2923)0]=2923.04±0.25±0.20±0.14  MeV, Γ[Ξc(2923)0]=7.1±0.8±1.8  MeV, m[Ξc(2939)0]=2938.55±0.21±0.17±0.14  MeV, Γ[Ξc(2939)0]=10.2±0.8±1.1  MeV, m[Ξc(2965)0]=2964.88±0.26±0.14±0.14  MeV, Γ[Ξc(2965)0]=14.1±0.9±1.3  MeV, where the uncertainties are statistical, systematic, and due to the limited knowledge of the Λ+c mass. The Ξc(2923)0 and Ξc(2939)0 baryons are new states. The Ξc(2965)0 state is in the vicinity of the known Ξc(2970)0 baryon; however, their masses and natural widths differ significantly.

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Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels JM, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Belavin V, Belin S, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Garcia OB, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJ, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buechler-Germann A, Buonaura A, Burr C, Bursche A, Butkevich A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Calvo Gomez M, Magalhaes PC, Camboni A, Campana P, Perez DHC, Quezada AFC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carli I, Carniti P, Akiba KC, Vidal AC, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala MF, Vidal XC, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Sobralet al., 2020, Search for the rare decays B-s(0) -> e(+) e(-) and B-0 -> e(+) e(-), Physical Review Letters, Vol: 124, Pages: 211802-1-211802-11, ISSN: 0031-9007

A search for the decays B0s→e+e− and B0→e+e− is performed using data collected with the LHCb experiment in proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to integrated luminosities of 1, 2, and 2  fb−1, respectively. No signal is observed. Assuming no contribution from B0→e+e− decays, an upper limit on the branching fraction B(B0s→e+e−)<9.4(11.2)×10−9 is obtained at 90(95)% confidence level. If no B0s→e+e− contribution is assumed, a limit of B(B0→e+e−)<2.5(3.0)×10−9 is determined at 90(95)% confidence level. These upper limits are more than one order of magnitude lower than the previous values.

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Aaij R, Beteta CA, Ackernley T, Adeva B, Adinol M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Cartelle PA, Alves Jr AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Romeu JA, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berningho D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJ, Bozzi C, Bradley MJ, Braun S, Rodriguez AB, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buechler-Germann A, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Calvo Gomez M, Magalhaes PC, Camboni A, Campana P, Perez DHC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cli H, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Sobral Cet al., 2020, Test of lepton universality with Lambda(0)(b) -> pK(-) l(+)l(-), The Journal of High Energy Physics, Vol: 2020, Pages: 1-27, ISSN: 1029-8479

The ratio of branching fractions of the decays Λ0b → pK−e+e− and Λ0b → pK−μ+μ−,R−1pK, is measured for the first time using proton-proton collision data corresponding to an integrated luminosity of 4.7 fb−1 recorded with the LHCb experiment at center-of-mass energies of 7, 8 and 13 TeV. In the dilepton mass-squared range 0.1 < q2< 6.0 GeV2/c4 and the pK− mass range m(pK−) < 2600 MeV/c2, the ratio of branching fractions is measured to be R−1pK=1.17+0.18−0.16±0.07, where the first uncertainty is statistical and the second systematic. This is the first test of lepton universality with b baryons and the first observation of the decay Λ0b → pK−e+e−.

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Aaij R, Beteta CA, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Albero AA, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amerio S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, d'Argent P, Romeu JA, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barrand GC, Barsuk S, Barter W, Bartolini M, baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Beddow J, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belin S, Beliy N, Bellee V, Belloli N, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, van Beuzekom M, Bezshyiko I, Bhasin S, Bhom J, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Bossu F, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Perez DHC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casse G, Cassina L, Cattaneo M, Cavallero G, Cenci R, Chamont D, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chitic S-G, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Coombs G, Coquereau S, Corti G, Corvo M, Sobral CMC, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, D'Ambrosio C, Da Cunha Marinho F, Da Silva CL, Dall'Occo Eet al., 2020, Measurement of vertical bar V-cb vertical bar with B-s(0) -> D-s(()*()-) mu(+)nu(mu) decays, Physical Review D: Particles, Fields, Gravitation and Cosmology, Vol: 101, Pages: 072004-1-072004-25, ISSN: 1550-2368

The element |Vcb| of the Cabibbo-Kobayashi-Maskawa matrix is measured using semileptonic B0s decays produced in proton-proton collision data collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3  fb−1. Rates of B0s→D−sμ+νμ and B0s→D*−sμ+νμ decays are analyzed using hadronic form-factor parametrizations derived either by Caprini, Lellouch and Neubert (CLN) or by Boyd, Grinstein and Lebed (BGL). The measured values of |Vcb| are (41.4±0.6±0.9±1.2)×10−3 and (42.3±0.8±0.9±1.2)×10−3 in the CLN and BGL parametrization, respectively. The first uncertainty is statistical, the second systematic, and the third is due to the external inputs used in the measurement. These results are in agreement with those obtained from decays of B+ and B0 mesons. They are the first determinations of |Vcb| at a hadron-collider experiment and the first using B0s meson decays.

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Ahdida C, Akmete A, Albanese R, Alexandrov A, Anokhina A, Aoki S, Arduini G, Atkin E, Azorskiy N, Back JJ, Bagulya A, Dos Santos FB, Baranov A, Bardou F, Barker GJ, Battistin M, Bauche J, Bay A, Bayliss V, Bencivenni G, Berdnikov AY, Berdnikov YA, Bertani M, Betancourt C, Bezshyiko I, Bezshyyko O, Bick D, Bieschke S, Blanco A, Boehm J, Bogomilov M, Boiarska I, Bondarenko K, Bonivento WM, Borburgh J, Boyarsky A, Brenner R, Breton D, Buescher V, Buonaura A, Buontempo S, Cadeddu S, Calcaterra A, Calviani M, Campanelli M, Casolino M, Charitonidis N, Chau P, Chauveau J, Chepurnov A, Chernyavskiy M, Choi K-Y, Chumakov A, Ciambrone P, Cicero V, Congedo L, Cornelis K, Cristinziani M, Crupano A, Dallavalle GM, Datwyler A, D'Ambrosio N, D'Appollonio G, de Asmundis R, De Carvalho Saraiva J, De Lellis G, de Magistris M, De Roeck A, De Serio M, De Simone D, Dedenko L, Dergachev P, Di Crescenzo A, Di Giulio L, Di Marco N, Dib C, Dijkstra H, Dmitrenko V, Dmitrievskiy S, Dougherty LA, Dolmatov A, Domenici D, Donskov S, Drohan V, Dubreuil A, Durhan O, Ehlert M, Elikkaya E, Enik T, Etenko A, Fabbri F, Fedin O, Fedotovs F, Felici G, Ferrillo M, Ferro-Luzzi M, Filippov K, Fini RA, Fonte P, Franco C, Fraser M, Fresa R, Froeschl R, Fukuda T, Galati G, Gall J, Gatignon L, Gavrilov G, Gentile V, Goddard B, Golinka-Bezshyyko L, Golovatiuk A, Golubkov D, Golutvin A, Gorbounov P, Gorbunov D, Gorbunov S, Gorkavenko V, Gorshenkov M, Grachev V, Grandchamp AL, Graverini E, Grenard J-L, Grenier D, Grichine V, Gruzinskii N, Guler AM, Guz Y, Haefeli GJ, Hagner C, Hakobyan H, Harris IW, van Herwijnen E, Hessler C, Hollnagel A, Hosseini B, Hushchyn M, Iaselli G, Iuliano A, Jacobsson R, Jokovic D, Jonker M, Kadenko I, Kain V, Kaiser B, Kamiscioglu C, Karpenkov D, Kershaw K, Khabibullin M, Khalikov E, Khaustov G, Khoriauli G, Khotyantsev A, Kim YG, Kim V, Kitagawa N, Ko J-W, Kodama K, Kolesnikov A, Kolev D, Kolosov V, Komatsu M, Kono A, Konovalova N, Kormannshaus S, Korol I, Korol'ko I, Korzenev A, Kostet al., 2020, Measurement of the muon flux from 400 GeV/c protons interacting in a thick molybdenum/tungsten target, European Physical Journal C: Particles and Fields, Vol: 80, Pages: 1-11, ISSN: 1124-1861

The SHiP experiment is proposed to search for very weakly interacting particles beyond the Standard Model which are produced in a 400 GeV/c proton beam dump at the CERN SPS. About 1011 muons per spill will be produced in the dump. To design the experiment such that the muon-induced background is minimized, a precise knowledge of the muon spectrum is required. To validate the muon flux generated by our Pythia and GEANT4 based Monte Carlo simulation (FairShip), we have measured the muon flux emanating from a SHiP-like target at the SPS. This target, consisting of 13 interaction lengths of slabs of molybdenum and tungsten, followed by a 2.4 m iron hadron absorber was placed in the H4 400 GeV/c proton beam line. To identify muons and to measure the momentum spectrum, a spectrometer instrumented with drift tubes and a muon tagger were used. During a 3-week period a dataset for analysis corresponding to (3.27±0.07) × 1011 protons on target was recorded. This amounts to approximatively 1% of a SHiP spill.

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Aaij R, Beteta CA, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Albero AA, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, Romeu JA, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Boubdir M, Bowcock TJ, Bozzi C, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Cali S, Calladine R, Calvi M, Gomez MC, Camboni A, Campana P, Perez DHC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Cenci R, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chitic S-G, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Sobral CMC, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina Aet al., 2020, Measurement off f(s)/f(u) variation with proton-proton collision energy and B-meson kinematics, Physical Review Letters, Vol: 124, Pages: 122002-1-122002-11, ISSN: 0031-9007

The ratio of the B0s and B+ fragmentation fractions fs and fu is studied with B0s→J/ψϕ and B+→J/ψK+ decays using data collected by the LHCb experiment in proton-proton collisions at 7, 8, and 13 TeV center-of-mass energies. The analysis is performed in bins of B-meson momentum, longitudinal momentum, transverse momentum, pseudorapidity, and rapidity. The fragmentation-fraction ratio fs/fu is observed to depend on the B-meson transverse momentum with a significance of 6.0σ. This dependency is driven by the 13 TeV sample (8.7σ), while the results for the other collision energies are not significant when considered separately. Furthermore, the results show a 4.8σ evidence for an increase of fs/fu as a function of collision energy.

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Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Cartelle PA, Alves Jr AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Romeu JA, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJ, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Perez DHC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Sobral CMC, Couturier B, Craik DC, Crkovska J, Crocombet al., 2020, Observation of the semileptonic decay B+-> p(p)over-bar mu(+)nu(mu), The Journal of High Energy Physics, Vol: 2020, Pages: 1-22, ISSN: 1029-8479

The Cabibbo-suppressed semileptonic decay B+→pp¯¯¯μ+νμ is observed for the first time using a sample of pp collisions corresponding to an integrated luminosity of 1.0, 2.0 and 1.7 fb−1 at centre-of-mass energies of 7, 8 and 13 TeV, respectively. The differential branching fraction is measured as a function of the pp¯¯¯ invariant mass using the decay mode B+→ J/ψK+ for normalisation. The total branching fraction is measured to beB(B+→pp¯¯¯μ+νμ)=(5.27+0.23−0.24±0.21±0.15)×10−6,where the first uncertainty is statistical, the second systematic and the third is from the uncertainty on the branching fraction of the normalisation channel.

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Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Cartelle PA, Alves Jr AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, Romeu JA, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Bassi G, Batozskaya V, Batsukh B, Battig A, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertella C, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Bowcock TJ, Bozzi C, Bradley MJ, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Diaz LC, Cali S, Calladine R, Calvi M, Calvo Gomez M, Magalhaes PC, Camboni A, Campana P, Perez DHC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Akiba KC, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Celani S, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Sobral CMC, Couturet al., 2020, Isospin amplitudes in lambda(0)(b) -> J/psi lambda (Sigma(0)) and Xi(0)(b)-> J/psi Xi(0) (Lambda) decays, Physical Review Letters, Vol: 124, Pages: 111802-1-111802-11, ISSN: 0031-9007

Ratios of isospin amplitudes in hadron decays are a useful probe of the interplay between weak and strong interactions and allow searches for physics beyond the standard model. We present the first results on isospin amplitudes in b-baryon decays, using data corresponding to an integrated luminosity of 8.5  fb−1, collected with the LHCb detector in pp collisions at center of mass energies of 7, 8, and 13 TeV. The isospin amplitude ratio |A1(Λ0b→J/ψΣ0)/A0(Λ0b→J/ψΛ)|, where the subscript on A indicates the final-state isospin, is measured to be less than 1/21.8 at 95% confidence level. The Cabibbo suppressed Ξ0b→J/ψΛ decay is observed for the first time, allowing for the measurement |A0(Ξ0b→J/ψΛ)/A1/2(Ξ0b→J/ψΞ0)|=0.37±0.06±0.02, where the uncertainties are statistical and systematic, respectively.

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Aaij R, Beteta CA, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, Aidala CA, Aiola S, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Cartelle PA, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Archilli F, D'Argent P, Romeu JA, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Bassi G, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Becker M, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Ben-Haim E, Bencivenni G, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, van Beuzekom M, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjorn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Borsuk JT, Boubdir M, Bowcock TJ, Bozzi C, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Gonzalo AB, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Perez DHC, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Cenci R, Cerasoli J, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chernov A, Chitic S-G, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cicala MF, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff H, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Sobralet al., 2020, Measurement of the η<i>_c</i>(1S) production cross-section in <i>p p</i> collisions at √<i>s</i>=13TeV, EUROPEAN PHYSICAL JOURNAL C, Vol: 80, ISSN: 1434-6044

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