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• Journal article
  Druzhkin D, Borshch V, Babaev A, Uzunian A, Slabospitskii S, Kachanov V, Skovpen Y, Radchenko O, Kozyrev A, Dimova T, Blinov V, Volkov P, Savrin V, Perfilov M, Klyukhin V, Gribushin A, Ershov A, Dudko L, Dubinin M, Bunichev V, Boos E, Terkulov A, Kirakosyan M, Azarkin M, Andreev V, Polikarpov S, Chistov R, Chadeeva M, Zhokin A, Popov V, Lychkovskaya N, Gavrilov V, Ivanov K, Aushev T, Vorobyev A, Uvarov L, Sulimov V, Sosnov D, Oreshkin V, Murzin V, Kim V, Ivanov Y, Golovtcov V, Gavrilov G, Toropin A, Tlisova I, Krasnikov N, Kirsanov M, Kirpichnikov D, Karneyeu A, Golubev N, Gninenko S, Dermenev A, Andreev YU, Zhizhin I, Zarubin A, Yuldashev BS, Voytishin N, Teryaev O, Smirnov V, Shulha S, Shmatov S, Shalaev V, Savina M, Perelygin V, Palichik V, Nikitenko A, Matveev V, Malakhov A, Lanev A, Korenkov V, Kodolova O, Karjavine V, Gorbunov I, Golutvin I, Budkouski D, Alexakhin V, Afanasiev S, Warden A, Vetens W, Tsoi HF, Teague D, Smith WH, Sharma V, Shang V, Savin A, Pinna D, Pétré L, Parida G, Mondal S, Mohammadi A, Mallampalli A, Madhusudanan Sreekala J, Loveless R, Lanaro A, Koraka CK, Herve A, Herndon M, He H, Galloni Cet al., 2025,

  Development of systematic uncertainty-aware neural network trainings for binned-likelihood analyses at the LHC

  , European Physical Journal C, Vol: 85, ISSN: 1434-6044

  We propose a neural network training method capable of accounting for the effects of systematic variations of the data model in the training process and describe its extension towards neural network multiclass classification. The procedure is evaluated on the realistic case of the measurement of Higgs boson production via gluon fusion and vector boson fusion in the ττ decay channel at the CMS experiment. The neural network output functions are used to infer the signal strengths for inclusive production of Higgs bosons as well as for their production via gluon fusion and vector boson fusion. We observe improvements of 12 and 16% in the uncertainty in the signal strengths for gluon and vector-boson fusion, respectively, compared with a conventional neural network training based on cross-entropy.

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• Journal article
  Hayrapetyan A, Tumasyan A, Adam W, Andrejkovic JW, Bergauer T, Chatterjee S, Damanakis K, Dragicevic M, Hussain PS, Jeitler M, Krammer N, Li A, Liko D, Mikulec I, Schieck J, Schöfbeck R, Schwarz D, Sonawane M, Waltenberger W, Wulz C-E, Janssen T, Van Laer T, Van Mechelen P, Breugelmans N, DHondt J, Dansana S, De Moor A, Delcourt M, Heyen F, Lowette S, Makarenko I, Müller D, Tavernier S, Tytgat M, Van Onsem GP, Van Putte S, Vannerom D, Bilin B, Clerbaux B, Das AK, De Lentdecker G, Evard H, Favart L, Gianneios P, Jaramillo J, Khalilzadeh A, Khan FA, Lee K, Mahdavikhorrami M, Malara A, Paredes S, Shahzad MA, Thomas L, Vanden Bemden M, Vander Velde C, Vanlaer P, De Coen M, Dobur D, Gokbulut G, Hong Y, Knolle J, Lambrecht L, Marckx D, Amarilo KM, Samalan A, Skovpen K, Van Den Bossche N, van der Linden J, Wezenbeek L, Benecke A, Bethani A, Bruno G, Caputo C, De Favereau De Jeneret J, Delaere C, Donertas IS, Giammanco A, Guzel AO, Jain S, Lemaitre V, Lidrych J, Mastrapasqua P, Tran TT, Wertz S, Alves GA, Alves Gallo Pereira M, Coelho E, Correia Silva G, Hensel C, Menezes De Oliveira T, Mora Herrera C, Moraes A, Rebello Teles P, Soeiro M, Vilela Pereira A, Aldá Júnior WL, Barroso Ferreira Filho M, Brandao Malbouisson H, Carvalho W, Chinellato J, Da Costa EM, Da Silveira GG, De Jesus Damiao D, Fonseca De Souza S, Gomes De Souza R, Macedo M, Martins J, Mundim L, Nogima H, Pinheiro JP, Santoro A, Sznajder A, Thiel M, Bernardes CA, Calligaris L, Fernandez Perez Tomei TR, Gregores EM, Maietto Silverio I, Mercadante PG, Novaes SF, Orzari B, Padula SS, Aleksandrov A, Antchev G, Hadjiiska R, Iaydjiev P, Misheva M, Shopova M, Sultanov G, Dimitrov A, Litov L, Pavlov B, Petkov P, Petrov A, Shumka E, Keshri S, Laroze D, Thakur S, Cheng T, Javaid T, Yuan L, Hu Z, Liang Z, Liu J, Yi K, Chen GM, Chen HS, Chen M, Iemmi F, Jiang CH, Kapoor A, Liao H, Liu Z-A, Sharma R, Song JN, Tao J, Wang C, Wang J, Wang Z, Zhang H, Zhao J, Agapitos A, Ban Y, Deng S, Guo B, Jiang C, Levin A, Li C, Li Q Met al., 2025,

  Study of same-sign W boson scattering and anomalous couplings in events with one tau lepton from pp collisions at $$\sqrt{s}=13$$ TeV

  , Journal of High Energy Physics, Vol: 2025

  <jats:title> A <jats:sc>bstract</jats:sc> </jats:title> <jats:p> A first study is presented of the cross section for the scattering of same-sign W boson pairs via the detection of a <jats:italic>τ</jats:italic> lepton. The data from proton-proton collisions at the center-of-mass energy of 13 TeV were collected by the CMS detector at the LHC, and correspond to an integrated luminosity of 138 fb <jats:sup>−1</jats:sup> . Events were selected that contain two jets with large pseudorapidity and large invariant mass, one <jats:italic>τ</jats:italic> lepton, one light lepton (e or <jats:italic>μ</jats:italic> ), and significant missing transverse momentum. The measured cross section for electroweak same-sign WW scattering is <jats:inline-formula> <jats:tex-math>$${1.44}_{-0.56}^{+0.63}$$</jats:tex-math> </jats:inline-formula> times the standard model prediction. In addition, a search is presented for the indirect effects of processes beyond the standard model via the effective field theory framework, in terms of dimension-6 and dimension-8 operators. </jats:p>

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  Abe K, Abe S, Akutsu R, Alarakia-Charles H, Alj Hakim YI, Alonso Monsalve S, Anthony L, Aoki S, Apte KA, Arai T, Arihara T, Arimoto S, Ashida Y, Atkin ET, Babu N, Baranov V, Barker GJ, Barr G, Barrow D, Bates P, Bathe-Peters L, Batkiewicz-Kwasniak M, Baudis N, Berardi V, Berns L, Bhattacharjee S, Blanchet A, Blondel A, Bolognesi S, Bordoni S, Boyd SB, Bronner C, Bubak A, Buizza Avanzini M, Caballero JA, Cadoux F, Calabria NF, Cao S, Cap S, Carabadjac D, Cartwright SL, Casado MP, Catanesi MG, Chakrani J, Chalumeau A, Chvirova A, Collazuol G, Cormier F, Craplet AAL, Cudd A, D'ago D, Dalmazzone C, Daret T, Dasgupta P, Davis C, Davydov YI, De Rosa G, Dealtry T, Densham C, Dergacheva A, Dharmapal Banerjee R, Di Lodovico F, Diaz Lopez G, Dolan S, Douqa D, Doyle TA, Drapier O, Duffy KE, Dumarchez J, Dunne P, Dygnarowicz K, Eguchi A, Elias J, Emery-Schrenk S, Erofeev G, Ershova A, Eurin G, Fedorova D, Fedotov S, Feltre M, Feng L, Ferlewicz D, Finch AJ, Fitton MD, Forza C, Friend M, Fujii Y, Fukuda Y, Furui Y, García-Marcos J, Germer AC, Giannessi L, Giganti C, Glagolev V, Gonin M, González Jiménez R, González Rosa J, Goodman EAG, Gorshanov K, Govindaraj P, Grassi M, Guigue M, Guo FY, Hadley DR, Han S, Harris DA, Harris RJ, Hasegawa T, Hasnip CM, Hassani S, Hastings NC, Hayato Y, Heitkamp I, Henaff D, Hino Y, Holeczek J, Holin A, Holvey T, Hong Van NT, Honjo T, Hooft MCF, Hosokawa K, Hu J, Ichikawa AK, Ieki K, Ikeda M, Ishida T, Ishitsuka M, Izmaylov A, Jachowicz N, Jenkins SJ, Jesús-Valls C, Jia M, Jiang JJ, Ji JY, Jones TP, Jonsson P, Joshi S, Kabirnezhad M, Kaboth AC, Kakuno H, Kameda J, Karpova S, Kasturi VS, Kataoka Y, Katori T, Kawamura Y, Kawaue M, Kearns E, Khabibullin M, Khotjantsev A, Kikawa T, King S, Kiseeva V, Kisiel J, Klustová A, Kneale L, Kobayashi H, Koch L, Kodama S, Kolupanova M, Konaka A, Kormos LL, Koshio Y, Kowalik K, Kudenko Y, Kudo Y, Kumar Jha A, Kurjata R, Kurochka V, Kutter T, Labarga L, Lachat M, Lachner K, Lagoda J, Lakshmi SM, Lamers James M, Laet al., 2025,

  First Differential Measurement of the Single π^{+} Production Cross Section in Neutrino Neutral-Current Scattering.

  , Phys Rev Lett, Vol: 135

  Since its first observation in the 1970s, neutrino-induced neutral-current single positive pion production (NC1π^{+}) has remained an elusive and poorly understood interaction channel. This process is a significant background in neutrino oscillation experiments and studying it further is critical for the physics program of next-generation accelerator-based neutrino oscillation experiments. In this Letter, we present the first double-differential cross-section measurement of NC1π^{+} interactions using data from the ND280 detector of the T2K experiment collected in ν-beam mode. The measured flux-averaged integrated cross section is σ=(6.07±1.22)×10^{-41}  cm^{2}/nucleon. We compare the results on a hydrocarbon target to the predictions of several neutrino interaction generators and final-state-interaction models. While model predictions agree with the differential results, the data show a weak preference for a cross-section normalization approximately 30% higher than predicted by most models studied in this Letter.

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• Journal article
  Abe K, Abe S, Akutsu R, Alarakia-Charles H, Hakim YIA, Monsalve SA, Anthony L, Aoki S, Apte KA, Arai T, Arihara T, Arimoto S, Ashida Y, Atkin ET, Babu N, Baranov V, Barker GJ, Barr G, Barrow D, Bates P, Bathe-Peters L, Batkiewicz-Kwasniak M, Baudis N, Berardi V, Berns L, Bhattacharjee S, Blanchet A, Blondel A, Bolognesi S, Bordoni S, Boyd SB, Bronner C, Bubak A, Avanzini MB, Caballero JA, Cadoux F, Calabria NF, Cao S, Cap S, Carabadjac D, Cartwright SL, Casado MP, Catanesi MG, Chakrani J, Chalumeau A, Chvirova A, Collazuol G, Cormier F, Craplet AAL, Cudd A, Dago D, Dalmazzone C, Daret T, Dasgupta P, Davis C, Davydov YI, De Rosa G, Dealtry T, Densham C, Dergacheva A, Banerjee RD, Di Lodovico F, Lopez GD, Dolan S, Douqa D, Doyle TA, Drapier O, Duffy KE, Dumarchez J, Dunne P, Dygnarowicz K, Eguchi A, Elias J, Emery-Schrenk S, Erofeev G, Ershova A, Eurin G, Fedorova D, Fedotov S, Feltre M, Feng L, Ferlewicz D, Finch AJ, Fitton MD, Forza C, Friend M, Fujii Y, Fukuda Y, Furui Y, García-Marcos J, Germer AC, Giannessi L, Giganti C, Glagolev V, Gonin M, Jiménez RG, Rosa JG, Goodman EAG, Gorshanov K, Govindaraj Pet al., 2025,

  Signal selection and model-independent extraction of the neutrino neutral-current single π+ cross section with the T2K experiment

  , Physical Review D, Vol: 112, ISSN: 2470-0010

  This article presents a study of single π⁺ production in neutrino neutral-current interactions (NC1π⁺) using the FGD1 hydrocarbon target of the ND280 detector of the T2K experiment. We report the largest sample of such events selected by any experiment, providing the first new data for this channel in over four decades and the first using a sub-GeV neutrino flux. The signal selection strategy and its performance are detailed together with validations of a robust cross section extraction methodology. The measured fluxaveraged integrated cross-section is σ = (6.07 ± 1.22) × 10⁻⁴¹ cm²/nucleon, 1.3σ above the NEUT v5.4.0 expectation.

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• Journal article
  Abubakar S, Acero MA, Acharya B, Adamson P, Anfimov N, Antoshkin A, Arrieta-Diaz E, Asquith L, Aurisano A, Azevedo D, Back A, Balashov N, Baldi P, Bambah BA, Bannister EF, Barros A, Bat A, Bays K, Bernstein R, Bezerra TJC, Bhatnagar V, Bhuyan B, Bian J, Booth AC, Bowles R, Brahma B, Bromberg C, Buchanan N, Butkevich A, Calvez S, Carceller JM, Carroll TJ, Catano-Mur E, Cesar JP, Chirco R, Choudhary BC, Christensen A, Cicala MF, Coan TE, Contreras T, Cooleybeck A, Coveyou D, Cremonesi L, Davies GS, Derwent PF, Ding P, Djurcic Z, Dobbs K, Dolce M, Dueñas Tonguino D, Dukes EC, Dye A, Ehrlich R, Ewart E, Filip P, Frank MJ, Gallagher HR, Giri A, Gomes RA, Goodman MC, Group R, Habig A, Hakl F, Hartnell J, Hatcher R, Hays JM, He M, Heller K, Hewes V, Himmel A, Horoho T, Ivanova A, Jargowsky B, Kakorin I, Kalitkina A, Kaplan DM, Khanam A, Kirezli B, Kleykamp J, Klimov O, Koerner LW, Kolupaeva L, Kralik R, Kumar A, Kuruppu CD, Kus V, Lackey T, Lang K, Lasorak P, Lesmeister J, Lister A, Liu J, Lock JA, MacMahon M, Magill S, Mann WA, Manoharan MT, Manrique Plata M, Marshak ML, Martinez-Casales M, Matveev V, Mehta B, Messier MD, Meyer H, Miao T, Miller WH, Mishra SR, Mohanta R, Moren A, Morozova A, Mu W, Mualem L, Muether M, Mulder K, Myers D, Naples D, Nelleri S, Nelson JK, Nichol R, Niner E, Norman A, Norrick A, Oh H, Olshevskiy A, Olson T, Ozkaynak M, Pal A, Paley J, Panda L, Patterson RB, Pawloski G, Petti R, Plunkett RK, Porter JCC, Prais LR, Rafique A, Raj V, Rajaoalisoa M, Ramson B, Rebel B, Robles E, Roy P, Samoylov O, Sanchez MC, Sánchez Falero S, Shanahan P, Sharma P, Sheshukov A, Shivam, Shmakov A, Shorrock W, Shukla S, Singh I, Singh P, Singh V, Singh Chhibra S, Singha DK, Smith A, Smolik J, Snopok P, Solomey N, Sousa A, Soustruznik K, Strait M, Suter L, Sutton A, Swain S, Sweeney C, Sztuc A, Talukdar N, Tas P, Thakore T, Thomas J, Tiras E, Titus M, Torun Y, Tran D, Trokan-Tenorio J, Urheim J, Vahle P, Vallari Z, Vockerodt KJ, Waldron AV, Wallbank M, Warburton TK Wet al., 2025,

  Joint neutrino oscillation analysis from the T2K and NOvA experiments

  , Nature, Vol: 646, Pages: 818-824, ISSN: 0028-0836

  The landmark discovery that neutrinos have mass and can change type (or flavour) as they propagate—a process called neutrino oscillation1,2,3,4,5,6—has opened up a rich array of theoretical and experimental questions being actively pursued today. Neutrino oscillation remains the most powerful experimental tool for addressing many of these questions, including whether neutrinos violate charge-parity (CP) symmetry, which has possible connections to the unexplained preponderance of matter over antimatter in the Universe7,8,9,10,11. Oscillation measurements also probe the mass-squared differences between the different neutrino mass states (Δm2), whether there are two light states and a heavier one (normal ordering) or vice versa (inverted ordering), and the structure of neutrino mass and flavour mixing12. Here we carry out the first joint analysis of datasets from NOvA13 and T2K14, the two currently operating long-baseline neutrino oscillation experiments (hundreds of kilometres of neutrino travel distance), taking advantage of our complementary experimental designs and setting new constraints on several neutrino sector parameters. This analysis provides new precision on the

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  Aaij R, Abdelmotteleb ASW, Abellan Beteta C, Abudinén F, Ackernley T, Adefisoye AA, Adeva B, Adinolfi M, Adlarson P, Agapopoulou C, Aidala CA, Ajaltouni Z, Akar S, Akiba K, Albicocco P, Albrecht J, Alessio F, Aliouche Z, Alvarez Cartelle P, Amalric R, Amato S, Amey JL, Amhis Y, An L, Anderlini L, Andersson M, Andreola P, Andreotti M, Anelli A, Ao D, Archilli F, Areg Z, Argenton M, Arguedas Cuendis S, Artamonov A, Artuso M, Aslanides E, Ataíde Da Silva R, Atzeni M, Audurier B, Bacher D, Bachiller Perea I, Bachmann S, Bachmayer M, Back JJ, Baladron Rodriguez P, Balagura V, Balboni A, Baldini W, Balzani L, Bao H, Baptista de Souza Leite J, Barbero Pretel C, Barbetti M, Barbosa IR, Barlow RJ, Barnyakov M, Barsuk S, Barter W, Bartz J, Bashir S, Batsukh B, Battista PB, Bay A, Beck A, Becker M, Bedeschi F, Bediaga IB, Behling NA, Belin S, Belous K, Belov I, Belyaev I, Benane G, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Bernet Andres S, Bertolin A, Betancourt C, Betti F, Bex J, Bezshyiko I, Bezshyyko O, Bhom J, Bieker MS, Biesuz NV, Billoir P, Biolchini A, Birch M, Bishop FCR, Bitadze A, Bizzeti A, Blake T, Blanc F, Blank JE, Blusk S, Bocharnikov V, Boelhauve JA, Boente Garcia O, Boettcher T, Bohare A, Boldyrev A, Bolognani CS, Bolzonella R, Bonacci RB, Bondar N, Bordelius A, Borgato F, Borghi S, Borsato M, Borsuk JT, Bottalico E, Bouchiba SA, Bovill M, Bowcock TJV, Boyer A, Bozzi C, Brandenburg JD, Brea Rodriguez A, Breer N, Brodzicka J, Brossa Gonzalo A, Brown J, Brundu D, Buchanan E, Buonincontri L, Burgos Marcos M, Burke AT, Burr C, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Caillet A, Calabrese R, Calderon Ramirez S, Calefice L, Cali S, Calvi M, Calvo Gomez M, Camargo Magalhaes P, Cambon Bouzas JI, Campana P, Campora Perez DH, Campoverde Quezada AF, Capelli S, Capriotti L, Caravaca-Mora R, Carbone A, Carcedo Salgado L, Cardinale R, Cardini A, Carniti P, Carus L, Casais Vidal A, Caspary R, Casse G, Cattaneo M, Cavallero G, Cavallini V, Celani S, Cesareet al., 2025,

  Measurement of the Z-Boson Mass.

  , Phys Rev Lett, Vol: 135

  The first dedicated Z-boson mass measurement at the LHC with Z→μ^{+}μ^{-} decays is reported. The dataset uses proton-proton collisions at a center-of-mass energy of 13 TeV, recorded in 2016 by the LHCb experiment, and corresponds to an integrated luminosity of 1.7  fb^{-1}. A template fit to the μ^{+}μ^{-} mass distribution yields the following result for the Z-boson mass: m_{Z}=91,185.7±8.3±3.9  MeV, where the first uncertainty is statistical and the second systematic. This result is consistent with previous measurements and predictions from global electroweak fits.

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  Aaij R, Abdelmotteleb ASW, Abellan Beteta C, Abudinén F, Ackernley T, Adefisoye AA, Adeva B, Adinolfi M, Adlarson P, Agapopoulou C, Aidala CA, Ajaltouni Z, Akar S, Akiba K, Albicocco P, Albrecht J, Alessio F, Alexander M, Aliouche Z, Alvarez Cartelle P, Amalric R, Amato S, Amey JL, Amhis Y, An L, Anderlini L, Andersson M, Andreianov A, Andreola P, Andreotti M, Andreou D, Anelli A, Ao D, Archilli F, Argenton M, Arguedas Cuendis S, Artamonov A, Artuso M, Aslanides E, Ataíde Da Silva R, Atzeni M, Audurier B, Bacher D, Bachiller Perea I, Bachmann S, Bachmayer M, Back JJ, Baladron Rodriguez P, Balagura V, Balboni A, Baldini W, Balzani L, Bao H, Baptista de Souza Leite J, Barbero Pretel C, Barbetti M, Barbosa IR, Barlow RJ, Barnyakov M, Barsuk S, Barter W, Bartz J, Basels JM, Bashir S, Batsukh B, Battista PB, Bay A, Beck A, Becker M, Bedeschi F, Bediaga IB, Behling NA, Belin S, Belous K, Belov I, Belyaev I, Benane G, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Bernet Andres S, Bertolin A, Betancourt C, Betti F, Bex J, Bezshyiko I, Bezshyyko O, Bhom J, Bieker MS, Biesuz NV, Billoir P, Biolchini A, Birch M, Bishop FCR, Bitadze A, Bizzeti A, Blake T, Blanc F, Blank JE, Blusk S, Bocharnikov V, Boelhauve JA, Boente Garcia O, Boettcher T, Bohare A, Boldyrev A, Bolognani CS, Bolzonella R, Bonacci RB, Bondar N, Bordelius A, Borgato F, Borghi S, Borsato M, Borsuk JT, Bottalico E, Bouchiba SA, Bovill M, Bowcock TJV, Boyer A, Bozzi C, Brandenburg JD, Brea Rodriguez A, Breer N, Brodzicka J, Brossa Gonzalo A, Brown J, Brundu D, Buchanan E, Buonincontri L, Burgos Marcos M, Burke AT, Burr C, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Caillet A, Calabrese R, Calderon Ramirez S, Calefice L, Cali S, Calvi M, Calvo Gomez M, Camargo Magalhaes P, Cambon Bouzas JI, Campana P, Campora Perez DH, Campoverde Quezada AF, Capelli S, Capriotti L, Caravaca-Mora R, Carbone A, Carcedo Salgado L, Cardinale R, Cardini A, Carniti P, Carus L, Casais Vidal A, Caspary R, Casse G, Cattaneo M Cet al., 2025,

  Observation of a New Charmed Baryon Decaying to Ξ_{c}^{+}π^{-}π^{+}.

  , Phys Rev Lett, Vol: 135

  The Ξ_{c}^{+}π^{-}π^{+} spectrum is investigated using proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.4  fb^{-1}, collected by the LHCb experiment during 2016-2018. Four states are observed with high significance, and their masses and widths are measured to be m[Ξ_{c}(2815)^{+}]=2816.65±0.03±0.03±0.23  MeV, Γ[Ξ_{c}(2815)^{+}]=2.07±0.08±0.12  MeV, m[Ξ_{c}(2923)^{+}]=2922.8±0.3±0.5±0.2  MeV, Γ[Ξ_{c}(2923)^{+}]=5.3±0.9±1.4  MeV, m[Ξ_{c}(2970)^{+}]=2968.6±0.5±0.5±0.2  MeV, Γ[Ξ_{c}(2970)^{+}]=31.7±1.7±1.9  MeV, [Ξ_{c}(3080)^{+}]=3076.8±0.7±1.3±0.2  MeV, Γ[Ξ_{c}(3080)^{+}]=6.8±2.3±0.9  MeV, where the uncertainties are statistical, systematic, and due to the limited precision on the Ξ_{c}^{+} mass, respectively. The Ξ_{c}(2923)^{+} baryon is observed for the first time, and is consistent with being the isospin partner of the previously observed Ξ_{c}(2923)^{0} state. Most of the measured parameters are more precise than existing world averages.

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  Chekhovsky V, Hayrapetyan A, Makarenko V, Tumasyan A, Adam W, Andrejkovic JW, Benato L, Bergauer T, Chatterjee S, Damanakis K, Dragicevic M, Hussain PS, Jeitler M, Krammer N, Li A, Liko D, Mikulec I, Schieck J, Schöfbeck R, Schwarz D, Sonawane M, Waltenberger W, Wulz C-E, Janssen T, Kwon H, Van Laer T, Van Mechelen P, Breugelmans N, D'Hondt J, Dansana S, De Moor A, Delcourt M, Heyen F, Hong Y, Lowette S, Makarenko I, Müller D, Tavernier S, Tytgat M, Van Onsem GP, Van Putte S, Vannerom D, Bilin B, Clerbaux B, Das AK, De Bruyn I, De Lentdecker G, Evard H, Favart L, Gianneios P, Khalilzadeh A, Khan FA, Malara A, Shahzad MA, Thomas L, Vanden Bemden M, Vander Velde C, Vanlaer P, De Coen M, Dobur D, Gokbulut G, Knolle J, Lambrecht L, Marckx D, Skovpen K, Van Den Bossche N, van der Linden J, Vandenbroeck J, Wezenbeek L, Bein S, Benecke A, Bethani A, Bruno G, Caputo C, De Favereau De Jeneret J, Delaere C, Donertas IS, Giammanco A, Guzel AO, Jain S, Lemaitre V, Lidrych J, Mastrapasqua P, Tran TT, Turkcapar S, Alves GA, Coelho E, Correia Silva G, Hensel C, Menezes De Oliveira T, Mora Herrera C, Rebello Teles P, Soeiro M, Tonelli Manganote EJ, Vilela Pereira A, Aldá Júnior WL, Barroso Ferreira Filho M, Brandao Malbouisson H, Carvalho W, Chinellato J, Da Costa EM, Da Silveira GG, De Jesus Damiao D, Fonseca De Souza S, Gomes De Souza R, Laux Kuhn T, Macedo M, Mota Amarilo K, Mundim L, Nogima H, Pinheiro JP, Santoro A, Sznajder A, Thiel M, Bernardes CA, Calligaris L, Tomei TRFP, Gregores EM, Maietto Silverio I, Mercadante PG, Novaes SF, Orzari B, Padula SS, Scheurer V, Aleksandrov A, Antchev G, Hadjiiska R, Iaydjiev P, Misheva M, Shopova M, Sultanov G, Dimitrov A, Litov L, Pavlov B, Petkov P, Petrov A, Shumka E, Keshri S, Laroze D, Thakur S, Cheng T, Javaid T, Yuan L, Hu Z, Liang Z, Liu J, Chen GM, Chen HS, Chen M, Iemmi F, Jiang CH, Kapoor A, Liao H, Liu Z-A, Sharma R, Song JN, Tao J, Wang C, Wang J, Wang Z, Zhang H, Zhao J, Agapitos A, Ban Y, Carvalho Antunes De Oliveira A, Denet al., 2025,

  Search for the Rare Decay D^{0}→μ^{+}μ^{-} in Proton-Proton Collisions at sqrt[s]=13.6  TeV.

  , Phys Rev Lett, Vol: 135

  A search for the rare decay D^{0}→μ^{+}μ^{-} is reported using proton-proton collision events at sqrt[s]=13.6  TeV collected by the CMS detector in 2022-2023, corresponding to an integrated luminosity of 64.5  fb^{-1}. This is the first analysis to use a newly developed inclusive dimuon trigger, expanding the scope of the CMS flavor physics program. The search uses D^{0} mesons obtained from D^{*+}→D^{0}π^{+} decays. No significant excess is observed. A limit on the branching fraction of B(D^{0}→μ^{+}μ^{-})<2.4×10^{-9} at 95% confidence level is set. This is the most stringent upper limit set on any flavor changing neutral current decay in the charm sector.

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  Abe K, Abe S, Akutsu R, Alarakia-Charles H, Alj Hakim YI, Alonso Monsalve S, Anthony L, Aoki S, Apte KA, Arai T, Arihara T, Arimoto S, Ashida Y, Atkin ET, Babu N, Baranov V, Barker GJ, Barr G, Barrow D, Bates P, Bathe-Peters L, Batkiewicz-Kwasniak M, Baudis N, Berardi V, Berns L, Bhattacharjee S, Blanchet A, Blondel A, Boistier PMM, Bolognesi S, Bordoni S, Boyd SB, Bronner C, Bubak A, Buizza Avanzini M, Caballero JA, Cadoux F, Calabria NF, Cao S, Cap S, Carabadjac D, Cartwright SL, Casado MP, Catanesi MG, Chakrani J, Chalumeau A, Cherdack D, Chvirova A, Coleman J, Collazuol G, Cormier F, Craplet AAL, Cudd A, Dago D, Dalmazzone C, Daret T, Dasgupta P, Davis C, Davydov YI, de Perio P, De Rosa G, Dealtry T, Densham C, Dergacheva A, Dharmapal Banerjee R, Di Lodovico F, Diaz Lopez G, Dolan S, Douqa D, Doyle TA, Drapier O, Duffy KE, Dumarchez J, Dunne P, Dygnarowicz K, Eguchi A, Elias J, Emery-Schrenk S, Erofeev G, Ershova A, Eurin G, Fedorova D, Fedotov S, Feltre M, Feng L, Ferlewicz D, Finch AJ, Fitton MD, Forza C, Friend M, Fujii Y, Fukuda Y, Furui Y, García-Marcos J, Germer AC, Giannessi L, Giganti C, Girgus M, Glagolev V, Gonin M, González Jiménez R, González Rosa J, Goodman EAG, Gorshanov K, Govindaraj P, Grassi M, Guigue M, Guo FY, Hadley DR, Han S, Harris DA, Harris RJ, Hasegawa T, Hasnip CM, Hassani S, Hastings NC, Hayato Y, Heitkamp I, Henaff D, Hino Y, Holeczek J, Holin A, Holvey T, Hong Van NT, Honjo T, Hooft MCF, Hosokawa K, Hu J, Ichikawa AK, Ieki K, Ikeda M, Ishida T, Ishitsuka M, Ito H, Ito S, Izmaylov A, Jachowicz N, Jenkins SJ, Jesús-Valls C, Jia M, Jiang JJ, Ji JY, Jones TP, Jonsson P, Joshi S, Kabirnezhad M, Kaboth AC, Kakuno H, Kameda J, Karpova S, Kasturi VS, Kataoka Y, Katori T, Kawabata A, Kawamura Y, Kawaue M, Kearns E, Khabibullin M, Khotjantsev A, Kikawa T, King S, Kiseeva V, Kisiel J, Klustová A, Kneale L, Kobayashi H, Koch L, Kodama S, Kolupanova M, Konaka A, Kormos LL, Koshio Y, Kowalik K, Kudenko Y, Kudo Y, Kumar Jha A, Kurjata R, Kurochkaet al., 2025,

  First measurement of the electron-neutrino charged-current pion production cross section on carbon with the T2K near detector

  , Physical Review Letters, Vol: 135, ISSN: 0031-9007

  The T2K Collaboration presents the first measurement of electron neutrino-induced charged-current pion production on a predominantly carbon target in a restricted kinematical phase space. This is performed using data from the 2.5° off-axis near detector, ND280. The differential cross sections with respect to the outgoing electron and pion kinematics, in addition to the total flux-integrated cross section, are obtained. Comparisons between the measured and predicted cross-section results using the neut, genie, and nuwro Monte Carlo event generators are presented. The measured total flux-integrated cross section is [2.52±0.52⁢(stat)±0.30⁢(syst)]×10−39  cm2 nucleon−1, which is lower than the event generator predictions.

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  Aaij R, Abdelmotteleb ASW, Abellan Beteta C, Abudinén F, Ackernley T, Adefisoye AA, Adeva B, Adinolfi M, Adlarson P, Agapopoulou C, Aidala CA, Ajaltouni Z, Akar S, Akiba K, Albicocco P, Albrecht J, Aleksiejunas R, Alessio F, Alvarez Cartelle P, Amalric R, Amato S, Amey JL, Amhis Y, An L, Anderlini L, Andersson M, Andreola P, Andreotti M, Andres Estrada S, Anelli A, Ao D, Arata C, Archilli F, Areg Z, Argenton M, Arguedas Cuendis S, Arnone L, Artamonov A, Artuso M, Aslanides E, Ataíde Da Silva R, Atzeni M, Audurier B, Authier JA, Bacher D, Bachiller Perea I, Bachmann S, Bachmayer M, Back JJ, Baladron Rodriguez P, Balagura V, Balboni A, Baldini W, Baldwin Z, Balzani L, Bao H, Baptista de Souza Leite J, Barbero Pretel C, Barbetti M, Barbosa IR, Barlow RJ, Barnyakov M, Barsuk S, Barter W, Bartz J, Bashir S, Batsukh B, Battista PB, Bay A, Beck A, Becker M, Bedeschi F, Bediaga IB, Behling NA, Belin S, Bellavista A, Belous K, Belov I, Belyaev I, Benane G, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Bernet Andres S, Bertolin A, Betancourt C, Betti F, Bex J, Bezshyiko I, Bezshyyko O, Bhom J, Bieker MS, Biesuz NV, Billoir P, Biolchini A, Birch M, Bishop FCR, Bitadze A, Bizzeti Aet al., 2025,

  Improved measurement of η/η′ mixing in Bs0→J/ψη′ decays

  , Journal of High Energy Physics, Vol: 2025

  Branching fraction ratios between the decays Bs0→J/ψη′ are measured using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 fb⁻¹. The measured ratios of these branching fractions are (Formula presented.) where the uncertainties are statistical, systematic and related to the precision of the η^(′) branching fractions, respectively. They are used to constrain the η/η′ mixing angle, ϕ<inf>P</inf>, and to probe the presence of a possible glueball component in the η′ meson, described by the gluonic mixing angle ϕ<inf>G</inf>. The obtained results are (Formula presented.) where the uncertainties are statistically dominated. While the value of ϕ<inf>P</inf> is compatible with existing experimental determinations and theoretical calculations, the angle ϕ<inf>G</inf> differs from zero by more than four standard deviations, which points to a substantial glueball component in the η′ meson and/or unexpectedly large contributions from gluon-mediated processes in these decays. The absolute branching fractions are also measured relative to that of the well-established Bs0→J/ψϕ decay, which serves as the normalisation channel. These results supersede the previous LHCb measurements and are the most precise to date.

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  Aaij R, Abdelmotteleb ASW, Abellan Beteta C, Abudinén F, Ackernley T, Adefisoye AA, Adeva B, Adinolfi M, Adlarson P, Agapopoulou C, Aidala CA, Ajaltouni Z, Akar S, Akiba K, Albicocco P, Albrecht J, Alessio F, Alexander M, Aliouche Z, Alvarez Cartelle P, Amalric R, Amato S, Amey JL, Amhis Y, An L, Anderlini L, Andersson M, Andreianov A, Andreola P, Andreotti M, Andreou D, Anelli A, Ao D, Archilli F, Argenton M, Arguedas Cuendis S, Artamonov A, Artuso M, Aslanides E, Ataíde Da Silva R, Atzeni M, Audurier B, Bacher D, Bachiller Perea I, Bachmann S, Bachmayer M, Back JJ, Baladron Rodriguez P, Balagura V, Balboni A, Baldini W, Balzani L, Bao H, Baptista de Souza Leite J, Barbero Pretel C, Barbetti M, Barbosa IR, Barlow RJ, Barnyakov M, Barsuk S, Barter W, Bartz J, Bashir S, Batsukh B, Battista PB, Bay A, Beck A, Becker M, Bedeschi F, Bediaga IB, Behling NA, Belin S, Belous K, Belov I, Belyaev I, Benane G, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Bernet Andres S, Bertolin A, Betancourt C, Betti F, Bex J, Bezshyiko I, Bezshyyko O, Bhom J, Bieker MS, Biesuz NV, Billoir P, Biolchini A, Birch M, Bishop FCR, Bitadze A, Bizzeti A, Blake T, Blanc F, Blank JE, Blusk Set al., 2025,

  Rapidity and multiplicity dependence of charged-particle flow in pPb collisions at sNN=8.16 TeV

  , Journal of High Energy Physics, Vol: 2025

  The elliptic and triangular flow of charged particles are measured using two-particle angular correlations in pPb collisions in the pseudorapidity range 2.0 < |η| < 4.8. The data sample was collected by the LHCb experiment in 2016 at a centre-of-mass energy per nucleon pair of sNN=8.16 TeV, containing in total approximately 1.5 billion collision events. Non-flow contributions are obtained in low-multiplicity collisions and subtracted to extract the flow harmonics. The results are presented as a function of event multiplicity and hadron transverse momentum. Comparisons with a full (3+1)D dynamic model indicate that it overestimates the measured elliptic flow. A comparison between the forward and backward regions reveals no significant differences in flow parameters, suggesting that final-state effects may dominate over initial-state effects in the origin of flow in small systems.

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  Aaij R, Abdelmotteleb ASW, Abellan Beteta C, Abudinén F, Ackernley T, Adefisoye AA, Adeva B, Adinolfi M, Adlarson P, Agapopoulou C, Aidala CA, Ajaltouni Z, Akar S, Akiba K, Albicocco P, Albrecht J, Alessio F, Alexander M, Aliouche Z, Alvarez Cartelle P, Amalric R, Amato S, Amey JL, Amhis Y, An L, Anderlini L, Andersson M, Andreianov A, Andreola P, Andreotti M, Andreou D, Anelli A, Ao D, Archilli F, Argenton M, Arguedas Cuendis S, Artamonov A, Artuso M, Aslanides E, Ataíde Da Silva R, Atzeni M, Audurier B, Bacher D, Bachiller Perea I, Bachmann S, Bachmayer M, Back JJ, Baladron Rodriguez P, Balagura V, Balboni A, Baldini W, Balzani L, Bao H, Baptista de Souza Leite J, Barbero Pretel C, Barbetti M, Barbosa IR, Barlow RJ, Barnyakov M, Barsuk S, Barter W, Bartz J, Basels JM, Bashir S, Batsukh B, Battista PB, Bay A, Beck A, Becker M, Bedeschi F, Bediaga IB, Behling NA, Belin S, Belous K, Belov I, Belyaev I, Benane G, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Bernet Andres S, Bertolin A, Betancourt C, Betti F, Bex J, Bezshyiko I, Bezshyyko O, Bhom J, Bieker MS, Biesuz NV, Billoir P, Biolchini A, Birch M, Bishop FCR, Bitadze A, Bizzeti A, Blake T, Blanc F, Blank JEet al., 2025,

  Observation of the doubly-charmed-baryon decay Ξcc++→Ξc0π+π+

  , Journal of High Energy Physics, Vol: 2025

  A search for the doubly-charmed-baryon decay Ξcc++→Ξc0π+π+ is performed using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 5.4 fb⁻¹. A significant structure consistent with the Ξcc++ baryon is observed in the Ξc0π+π+ invariant-mass spectrum. Using the Ξcc++→Λc+K−π+π+ decay as the normalisation channel, the branching fraction ratio, BΞcc++→Ξc0π+π+BΞcc++→Λc+K−π+π+, is measured to be 1.37 ± 0.18 (stat) ± 0.09 (syst) ± 0.35 (ext). This measurement provides critical input for testing QCD factorisation methods in the weak decays of doubly-heavy baryons, particularly in quantifying nonperturbative effects such as final-state interactions and resonance contributions to the hadronisation process.

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  Aalbers J, Abe K, Adrover M, Ahmed Maouloud S, Akerib DS, Al Musalhi AK, Alder F, Althueser L, Amaral DWP, Amarasinghe CS, Ames A, Andrieu B, Angelides N, Angelino E, Antunovic B, Aprile E, Araújo HM, Armstrong JE, Arthurs M, Babicz M, Baker A, Balzer M, Bang J, Barberio E, Bargemann JW, Barillier E, Basharina-Freshville A, Baudis L, Bauer D, Bazyk M, Beattie K, Beaupere N, Bell NF, Bellagamba L, Benson T, Bhatti A, Biesiadzinski TP, Biondi R, Biondi Y, Birch HJ, Bishop E, Bismark A, Boehm C, Boese K, Bolotnikov A, Brás P, Braun R, Breskin A, Brew CAJ, Brommer S, Brown A, Bruni G, Budnik R, Burdin S, Cai C, Capelli C, Carini G, Carmona-Benitez MC, Carter M, Chauvin A, Chawla A, Chen H, Cherwinka JJ, Chin YT, Chott NI, Chavez APC, Clark K, Colijn AP, Colling DJ, Conrad J, Converse MV, Cooper LJ, Coronel R, Costanzo D, Cottle A, Cox G, Cuenca-García JJ, Curran D, Cussans D, DAndrea V, Daniel Garcia LC, Darlington I, Dave S, David A, Davies GJ, Decowski MP, Deisting A, Delgaudio J, Dey S, Di Donato C, Di Felice L, Di Gangi P, Diglio S, Ding C, Dobson JEY, Doerenkamp M, Drexlin G, Druszkiewicz E, Dunbar CL, Eitel K, Elykov A, Engel R, Eriksen SR, Fayer S, Fearon NM, Ferella AD, Ferrari C, Fieldhouse N, Fischer H, Flaecher H, Flehmke T, Flierman M, Fraser ED, Fruth TMA, Fujikawa K, Fulgione W, Fuselli C, Gaemers P, Gaior R, Gaitskell RJ, Gallice N, Galloway M, Gao F, Garroum N, Geffre A, Genovesi J, Ghag C, Ghosh S, Giacomobono R, Gibbons R, Girard F, Glade-Beucke R, Glück F, Gokhale S, Grandi L, Green J, Grigat J, van der Grinten MGD, Größle R, Guan H, Guida M, Gyorgy P, Haiston JJ, Hall CR, Hall T, Hammann R, Hannen V, Hansmann-Menzemer S, Hargittai N, Hartigan-OConnor E, Haselschwardt SJ, Hernandez M, Hertel SA, Higuera A, Hils C, Hiraoka K, Hoetzsch L, Hoferichter M, Homenides GJ, Hood NF, Horn M, Huang DQ, Hughes S, Hunt D, Iacovacci M, Itow Y, Jacquet E, Jakob J, James RS, Joerg F, Jones S, Kaboth AC, Kahlert F, Kamaha AC, Kaminaga Y, Kara M, Kavrigin P, Kazama Set al., 2025,

  The XLZD Design Book: towards the next-generation liquid xenon observatory for dark matter and neutrino physics

  , European Physical Journal C, Vol: 85, ISSN: 1434-6044

  This report describes the experimental strategy and technologies for XLZD, the next-generation xenon observatory sensitive to dark matter and neutrino physics. In the baseline design, the detector will have an active liquid xenon target of 60 tonnes, which could be increased to 80 tonnes if the market conditions for xenon are favorable. It is based on the mature liquid xenon time projection chamber technology used in current-generation experiments, LZ and XENONnT. The report discusses the baseline design and opportunities for further optimization of the individual detector components. The experiment envisaged here has the capability to explore parameter space for Weakly Interacting Massive Particle (WIMP) dark matter down to the neutrino fog, with a 3\(\sigma \) evidence potential for WIMP-nucleon cross sections as low as \(3\times 10^{-49}\mathrm \,cm^2\) (at 40 GeV/c\(^2\) WIMP mass). The observatory will also have leading sensitivity to a wide range of alternative dark matter models. It is projected to have a 3\(\sigma \) observation potential of neutrinoless double beta decay of \(^{136}\)Xe at a half-life of up to \(5.7\times 10^{27}\) years. Additionally, it is sensitive to astrophysical neutrinos from the sun and galactic supernovae.

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• Journal article
  Chekhovsky V, Hayrapetyan A, Makarenko V, Tumasyan A, Adam W, Andrejkovic JW, Benato L, Bergauer T, Chatterjee S, Damanakis K, Dragicevic M, Hussain PS, Jeitler M, Krammer N, Li A, Liko D, Mikulec I, Schieck J, Schöfbeck R, Schwarz D, Sonawane M, Waltenberger W, Wulz CE, Janssen T, Kwon H, Van Laer T, Van Mechelen P, Breugelmans N, DHondt J, Dansana S, De Moor A, Delcourt M, Heyen F, Hong Y, Lowette S, Makarenko I, Müller D, Tavernier S, Tytgat M, Van Onsem GP, Van Putte S, Vannerom D, Bilin B, Clerbaux B, Das AK, De Bruyn I, De Lentdecker G, Evard H, Favart L, Gianneios P, Khalilzadeh A, Khan FA, Lee K, Malara A, Shahzad MA, Thomas L, Vanden Bemden M, Vander Velde C, Vanlaer P, De Coen M, Dobur D, Gokbulut G, Knolle J, Lambrecht L, Marckx D, Skovpen K, Van Den Bossche N, van der Linden J, Vandenbroeck J, Wezenbeek L, Bein S, Benecke A, Bethani A, Bruno G, Caputo C, De Favereau De Jeneret J, Delaere C, Donertas IS, Giammanco A, Guzel AO, Jain S, Lemaitre V, Lidrych J, Mastrapasqua P, Tran TT, Turkcapar S, Alves GA, Coelho E, Correia Silva G, Hensel C, Menezes De Oliveira T, Mora Herrera C, Rebello Teles P, Soeiro M, Tonelli Manganote EJ, Vilela Pereira A, Aldá Júnior WL, Barroso Ferreira Filho M, Brandao Malbouisson H, Carvalho Wet al., 2025,

  Search for dark matter produced in association with a Higgs boson decaying to a τ lepton pair in proton-proton collisions at TeV

  , Journal of High Energy Physics, Vol: 2025

  A search for dark matter particles produced in association with a Higgs boson decaying into a pair of τ leptons is performed using data collected in proton-proton collisions at a center-of-mass energy of 13 TeV with the CMS detector. The analysis is based on a data set corresponding to an integrated luminosity of 101 fb⁻¹ collected in 2017–2018. No significant excess over the expected standard model background is observed. This result is interpreted within the frameworks of the 2HDM+a and baryonic Z′ benchmark simplified models. The 2HDM+a model is a type-II two-Higgs-doublet model featuring a heavy pseudoscalar with an additional light pseudoscalar. Upper limits at 95% confidence level are set on the product of the production cross section and the branching fraction for each of these two simplified models. Heavy pseudoscalar boson masses between 400 and 700 GeV are excluded for a light pseudoscalar mass of 100 GeV. For the baryonic Z′ model, a statistical combination is made with an earlier search based on a data set of 36 fb⁻¹ collected in 2016. In this model, Z′ boson masses up to 1050 GeV are excluded for a dark matter particle mass of 1 GeV.

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• Journal article
  Chekhovsky V, Hayrapetyan A, Makarenko V, Tumasyan A, Adam W, Andrejkovic JW, Benato L, Bergauer T, Chatterjee S, Damanakis K, Dragicevic M, Hussain PS, Jeitler M, Krammer N, Li A, Liko D, Mikulec I, Schieck J, Schöfbeck R, Schwarz D, Sonawane M, Waltenberger W, Wulz CE, Janssen T, Kwon H, Van Laer T, Van Mechelen P, Breugelmans N, DHondt J, Dansana S, De Moor A, Delcourt M, Heyen F, Hong Y, Lowette S, Makarenko I, Müller D, Tavernier S, Tytgat M, Van Onsem GP, Van Putte S, Vannerom D, Bilin B, Clerbaux B, Das AK, De Bruyn I, De Lentdecker G, Evard H, Favart L, Gianneios P, Khalilzadeh A, Khan FA, Lee K, Malara A, Shahzad MA, Thomas L, Vanden Bemden M, Vander Velde C, Vanlaer P, De Coen M, Dobur D, Gokbulut G, Knolle J, Lambrecht L, Marckx D, Skovpen K, Van Den Bossche N, van der Linden J, Wezenbeek L, Bein S, Benecke A, Bethani A, Bruno G, Caputo C, De Favereau De Jeneret J, Delaere C, Donertas IS, Giammanco A, Guzel AO, Jain S, Lemaitre V, Lidrych J, Mastrapasqua P, Tran TT, Turkcapar S, Alves GA, Coelho E, Correia Silva G, Hensel C, Menezes De Oliveira T, Mora Herrera C, Rebello Teles P, Soeiro M, Tonelli Manganote EJ, Vilela Pereira A, Aldá Júnior WL, Barroso Ferreira Filho M, Brandao Malbouisson H, Carvalho W, Chinellato Jet al., 2025,

  Search for top squarks in final states with many light-flavor jets and 0, 1, or 2 charged leptons in proton-proton collisions at TeV

  , Journal of High Energy Physics, Vol: 2025

  Several new physics models including versions of supersymmetry (SUSY) characterized by R-parity violation (RPV) or with additional hidden sectors predict the production of events with top quarks, low missing transverse momentum, and many additional quarks or gluons. The results of a search for top squarks decaying to two top quarks and six additional light-flavor quarks or gluons are reported. The search employs a novel machine learning method for background estimation from control samples in data using decorrelated discriminators. The search is performed using events with 0, 1, or 2 electrons or muons in conjunction with at least six jets. No requirement is placed on the magnitude of the missing transverse momentum. The result is based on a sample of proton-proton collisions at TeV corresponding to 138 fb⁻¹ of integrated luminosity collected with the CMS detector at the LHC in 2016–2018. With no statistically significant excess of events observed beyond the expected contributions from the standard model, the data are used to determine upper limits on the top squark pair production cross section in the frameworks of RPV and stealth SUSY. Models with top squark masses less than 700 (930) GeV are excluded at 95% confidence level for RPV (stealth) SUSY scenarios.

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• Journal article
  Aaij R, Abdelmotteleb ASW, Abellan Beteta C, Abudinén F, Ackernley T, Adefisoye AA, Adeva B, Adinolfi M, Adlarson P, Agapopoulou C, Aidala CA, Ajaltouni Z, Akar S, Akiba K, Albicocco P, Albrecht J, Aleksiejunas R, Alessio F, Aliouche Z, Alvarez Cartelle P, Amalric R, Amato S, Amey JL, Amhis Y, An L, Anderlini L, Andersson M, Andreola P, Andreotti M, Andres Estrada S, Anelli A, Ao D, Archilli F, Areg Z, Argenton M, Arguedas Cuendis S, Artamonov A, Artuso M, Aslanides E, Ataíde Da Silva R, Atzeni M, Audurier B, Authier JA, Bacher D, Bachiller Perea I, Bachmann S, Bachmayer M, Back JJ, Baladron Rodriguez P, Balagura V, Balboni A, Baldini W, Balzani L, Bao H, Baptista de Souza Leite J, Barbero Pretel C, Barbetti M, Barbosa IR, Barlow RJ, Barnyakov M, Barsuk S, Barter W, Bartz J, Bashir S, Batsukh B, Battista PB, Bay A, Beck A, Becker M, Bedeschi F, Bediaga IB, Behling NA, Belin S, Belous K, Belov I, Belyaev I, Benane G, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Bernet Andres S, Bertolin A, Betancourt C, Betti F, Bex J, Bezshyiko I, Bezshyyko O, Bhom J, Bieker MS, Biesuz NV, Billoir P, Biolchini A, Birch M, Bishop FCR, Bitadze A, Bizzeti A, Blake T, Blanc F, Blank JEet al., 2025,

  Updated measurement of CP violation and polarisation in Bs0→J/ψK¯∗8920 decays

  , Journal of High Energy Physics, Vol: 2025

  A time-integrated angular analysis of the decay Bs0→J/ψK¯∗8920, with J/ψ → μ⁺μ⁻ and K¯∗8920→K−π+, is presented. The analysis employs a sample of proton-proton collision data collected by the LHCb experiment during 2015–2018 at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 6 fb⁻¹. A simultaneous maximum-likelihood fit is performed to the angular distributions in bins of the K⁻π⁺ mass. This fit yields measurements of the CP-averaged polarisation fractions and CP asymmetries for the P-wave component of the K⁻π⁺ system. The longitudinal and parallel polarisation fractions are determined to be f<inf>0</inf> = 0.534 ± 0.012 ± 0.009 and f<inf>||</inf> = 0.211 ± 0.014 ± 0.005, respectively, where the first uncertainty is statistical and the second is systematic. The CP asymmetries are measured with 3–7% precision and are found to be consistent with zero. These measurements, along with an updated determination of the branching fraction relative to the B⁰ → J/ψK^*0 decay, are combined with previous LHCb results, providing the most precise values for these observables to date.

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  Abe S, Alarakia-Charles H, Alekseev I, Alt C, Arai T, Arihara T, Arimoto S, Artikov AM, Awataguchi Y, Babu N, Baranov V, Barr G, Barrow D, Bartoszek L, Bernardi L, Berns L, Bhattacharjee S, Boikov AV, Blanchet A, Blondel A, Bonnemaison A, Bordoni S, Bui MH, Bui TH, Cadoux F, Cap S, Cauchois A, Chakrani J, Chong PS, Chvirova A, Collard P, Danilov M, Davis C, Davouloury V, Davydov YI, Dergacheva A, Domangue C, Douqa D, Doyle TA, Drapier O, Eguchi A, Elias J, Erofeev G, Favre Y, Fedorova D, Fedotov S, Ferlewicz D, Fujii Y, Fujita R, Furui Y, Gastaldi F, Gendotti A, Germer A, Giannessi L, Giganti C, Glagolev V, Guillaumat R, Ha G, Hastings NC, Heitkamp I, Hu J, Husi C, Ichikawa AK, Ishida TH, Izmaylov A, Iwamoto K, Jakkapu M, Jesús-Valls C, Ji JY, Jonsson P, Jung CK, Kakuno H, Kasturi VS, Kawaue M, Keener PT, Khabibullin M, Khomutov NV, Khotjantsev A, Kikawa T, Kikutani H, Kirichkov NV, Klustová A, Kobayashi H, Kobayashi T, Koch L, Kodama S, Kolesnikov AO, Kolupanova M, Korzenev A, Koto T, Kudenko Y, Kuribayashi S, Kutter T, Lachat M, Lachner K, Lamers James M, Last D, Latham N, Lawe M, Le TA, Leon Silverio D, Li B, Li W, Lin C, Louzir M, Lux T, Mahtani KK, Manly S, Martinez Caicedo DA, Mashin N, Matsubara T, Mauger C, McFarland KS, McGrew C, McKean J, Mefodiev A, Miller E, Mineev O, Minamino A, Moreno AL, Muñoz A, Nakadaira T, Nakagiri K, Nakaya T, Nanni J, Nicolas L, Nguyen AD, Nguyen DT, Nguyen H, Nguyen V, Noah Messomo E, Nosek T, O'Keeffe HM, Ogawa T, Okinaga W, Osu L, Paolone V, Pelleriti G, Pickering L, Ramírez MA, Reh M, Reina G, Riccio C, Roth S, Rubbia A, Saadi F, Sakashita K, Sallin N, Samani S, Sanchez F, Schefke T, Schloesser C, Sgalaberna D, Shaikovskiy A, Shvartsman A, Shiraishi Y, Shvarev N, Skrobova N, Smyczek D, Smy M, Speers A, Svirida D, Ta M, Tairafune S, Tani M, Tanigawa H, Teklu A, Tereshchenko S, Tereshchenko VV, Thaiduc T, Tsushima T, Tzanov M, Uchida Y, Vasilyev II, Villa E, Vladisavljevic T, Wakabayashi D, Wallace H, Weber A, Whitney N, Wret Cet al., 2025,

  Introducing a Markov chain-based time calibration procedure for multi-channel particle detectors: application to the SuperFGD and ToF detectors of the T2K experiment

  , Journal of Instrumentation, Vol: 20, ISSN: 1748-0221

  Inter-channel mis-synchronisation can be a limiting factor to the time resolution of high performance timing detectors with multiple readout channels and independent electronics units. In these systems, time calibration methods employed must be able to efficiently correct for minimal mis-synchronisation between channels and achieve the best detector performance. We present an iterative time calibration method based on Markov Chains, suitable for detector systems with multiple readout channels. Starting from correlated hit pairs alone, and without requiring an external reference time measurement, the method solves for fixed per-channel offsets, with precision limited only by the intrinsic single-channel resolution. A mathematical proof that the method is able to find the correct time offsets to be assigned to each detector channel in order to achieve inter-channel synchronisation is given, and it is shown that the number of iterations to reach convergence within the desired precision is controllable with a single parameter. Numerical studies are used to confirm unbiased recovery of true offsets. Finally, the application of the calibration method to the Super Fine-Grained Detector (SuperFGD) and the Time of Flight (TOF) detector at the upgraded T2K near detector (ND280) shows good improvement in overall timing resolution, demonstrating the effectiveness in a real-world scenario and scalability.

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  Chekhovsky V, Hayrapetyan A, Makarenko V, Tumasyan A, Adam W, Andrejkovic JW, Benato L, Bergauer T, Chatterjee S, Damanakis K, Dragicevic M, Hussain PS, Jeitler M, Krammer N, Li A, Liko D, Mikulec I, Schieck J, Schöfbeck R, Schwarz D, Sonawane M, Waltenberger W, Wulz CE, Janssen T, Kwon H, Van Laer T, Van Mechelen P, Breugelmans N, DHondt J, Dansana S, De Moor A, Delcourt M, Heyen F, Hong Y, Lowette S, Makarenko I, Müller D, Tavernier S, Tytgat M, Van Onsem GP, Van Putte S, Vannerom D, Bilin B, Clerbaux B, Das AK, De Bruyn I, De Lentdecker G, Evard H, Favart L, Gianneios P, Khalilzadeh A, Khan FA, Lee K, Malara A, Shahzad MA, Thomas L, Vanden Bemden M, Vander Velde C, Vanlaer P, De Coen M, Dobur D, Gokbulut G, Knolle J, Lambrecht L, Marckx D, Mota Amarilo K, Skovpen K, Van Den Bossche N, van der Linden J, Wezenbeek L, Bein S, Benecke A, Bethani A, Bruno G, Caputo C, De Favereau De Jeneret J, Delaere C, Donertas IS, Giammanco A, Guzel AO, Jain S, Lemaitre V, Lidrych J, Mastrapasqua P, Tran TT, Turkcapar S, Alves GA, Coelho E, Correia Silva G, Hensel C, Menezes De Oliveira T, Mora Herrera C, Rebello Teles P, Soeiro M, Tonelli Manganote EJ, Vilela Pereira A, Aldá Júnior WL, Barroso Ferreira Filho M, Brandao Malbouisson H, Carvalho Wet al., 2025,

  Search for a heavy pseudoscalar Higgs boson decaying to a 125 GeV Higgs boson and a Z boson in final states with two tau and two light leptons in proton-proton collisions at TeV

  , Journal of High Energy Physics, Vol: 2025

  A search for a heavy pseudoscalar Higgs boson, A, decaying to a 125 GeV Higgs boson h and a Z boson is presented. The h boson is identified via its decay to a pair of tau leptons, while the Z boson is identified via its decay to a pair of electrons or muons. The search targets the production of the A boson via the gluon-gluon fusion process, gg → A, and in association with bottom quarks,. The analysis uses a data sample corresponding to an integrated luminosity of 138 fb⁻¹ collected with the CMS detector at the CERN LHC in proton-proton collisions at a centre-of-mass energy of TeV. Constraints are set on the product of the cross sections of the A production mechanisms and the A → Zh decay branching fraction. The observed (expected) upper limit at 95% confidence level ranges from 0.049 (0.060) pb to 1.02 (0.79) pb for the gg → A process and from 0.053 (0.059) pb to 0.79 (0.61) pb for the process in the probed range of the A boson mass, m<inf>A</inf>, from 225 GeV to 1 TeV. The results of the search are used to constrain parameters within the benchmark scenario of the minimal supersymmetric extension of the standard model. Values of tan β below 2.2 are excluded in this scenario at 95% confidence level for all m<inf>A</inf> values in the range from 225 to 350 GeV.

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  Aaij R, Abdelmotteleb ASW, Abellan Beteta C, Abudinén F, Ackernley T, Adefisoye AA, Adeva B, Adinolfi M, Adlarson P, Agapopoulou C, Aidala CA, Ajaltouni Z, Akar S, Akiba K, Albicocco P, Albrecht J, Alessio F, Aliouche Z, Alvarez Cartelle P, Amalric R, Amato S, Amey JL, Amhis Y, An L, Anderlini L, Andersson M, Andreianov A, Andreola P, Andreotti M, Andreou D, Anelli A, Ao D, Archilli F, Argenton M, Arguedas Cuendis S, Artamonov A, Artuso M, Aslanides E, Ataíde Da Silva R, Atzeni M, Audurier B, Bacher D, Bachiller Perea I, Bachmann S, Bachmayer M, Back JJ, Baladron Rodriguez P, Balagura V, Balboni A, Baldini W, Balzani L, Bao H, Baptista de Souza Leite J, Barbero Pretel C, Barbetti M, Barbosa IR, Barlow RJ, Barnyakov M, Barsuk S, Barter W, Bartz J, Basels JM, Bashir S, Batsukh B, Battista PB, Bay A, Beck A, Becker M, Bedeschi F, Bediaga IB, Behling NA, Belin S, Belous K, Belov I, Belyaev I, Benane G, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Bernet Andres S, Bertolin A, Betancourt C, Betti F, Bex J, Bezshyiko I, Bezshyyko O, Bhom J, Bieker MS, Biesuz NV, Billoir P, Biolchini A, Birch M, Bishop FCR, Bitadze A, Bizzeti A, Blake T, Blanc F, Blank JE, Blusk Set al., 2025,

  Measurements of charmed meson and antimeson production asymmetries at s=13.6 TeV

  , Journal of High Energy Physics, Vol: 2025

  This article presents doubly differential measurements of the asymmetries in production rates between mesons containing a charm quark and those containing an anti-charm quark in proton-proton collisions at a centre-of-mass energy of s=13.6 TeV using data recorded by the LHCb experiment. The asymmetries of D⁰, D⁺ and Ds+ mesons are measured for two-dimensional intervals in transverse momentum and pseudorapidity, within the range 2.5 < p<inf>T</inf>< 25.0 GeV/c and 2.0 < η < 4.5. No significant production asymmetries are observed. Comparisons to the Pythia 8 and Herwig 7 event generators are also presented, and their agreement with the data is evaluated. These measurements constitute the first measurements of production asymmetries at this centre-of-mass energy of colliding beams, and the first measurements with the LHCb Run 3 detector.

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  Young R, Yoshida S, Xie C, Wissel SA, Wang SH, Wang MZ, Vieregg A, Varner GS, Eijndhoven NV, Touart J, Torres J, Toscano S, Su SC, Shiao YS, Seikh MFH, Seckel D, Salcedo-Gomez A, Roth J, Punsuebsay N, Pfendner C, Pan Y, Oberla E, Nozdrina A, Novikov A, Nichol RJ, Nam J, Muzio MS, Mase K, Luszczak W, Liu TC, Liu CH, Latif UA, Kurusu K, Kuo CY, Krebs R, Kravchenko I, Kim MC, Kim KC, Kelley JL, Karle A, Ishihara A, Hughes K, Huang MH, Hoffman KD, Harty N, Hanson J, Giri P, Gaior R, Friedman E, Flaherty J, DuVernois MA, Deaconu C, de Vries KD, de Kockere S, Debolt R, Dasgupta P, Cummings A, Cremonesi L, Couberly K, Connolly A, Clark BA, Chen YC, Chen P, Bishop A, Besson DZ, Beatty JJ, Archambault S, Allison P, Ali Set al., 2025,

  Askaryan Radio Array: searching for the highest energy neutrinos

  , European Physical Journal Special Topics, Vol: 234, Pages: 5065-5075, ISSN: 1951-6355

  Searches for ultra-high energy (Eν≥10 PeV) cosmogenic and astrophysical neutrinos (UHENs) have been conducted by several experiments over the last two decades. The Askaryan Radio Array (ARA), located near the geographical South Pole, was one of the first two experiments to use radio antennas sensitive to orthogonal polarizations for detection of neutrino-induced Askaryan radiation. ARA comprises five independent autonomous stations, with an additional low-threshold phased array string with station 5, which were deployed at a depth of 100–200 m over the period 2012–2018, corresponding to a total livetime of more than 27 station-years. In this article, we present a brief overview of the detector, its detection technique, and discuss a few of its major achievements with a focus on the current status of the array-wide UHEN search. We expect to produce the most sensitive results on the neutrino flux by any existing in-ice neutrino experiment below 1000 EeV energy.

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  Abbaneo D, Ahmad S, Albanese R, Alexandrov A, Alicante F, Aloschi F, Androsov K, Anokhina A, Asawatangtrakuldee C, Ayala Torres MA, Bangaru N, Battilana C, Bay A, Bertocco A, Betancourt C, Bick D, Biswas R, Blanco Castro A, Boccia V, Bogomilov M, Bonacorsi D, Bonivento WM, Bordalo P, Boyarsky A, Buontempo S, Cafaro V, Campanelli M, Camporesi T, Canale V, Centanni D, Cerutti F, Chariton V, Chernyavskiy M, Chiuchiolo A, Choi KY, Cindolo F, Climescu M, Crupano A, Dallavalle GM, D'Ambrosio N, Davino D, de Asmundis R, de Bryas PT, De Lellis G, de Magistris M, De Marzi G, De Pasquale S, De Roeck A, De Rújula A, De Simone D, De Souza Santos H, Diaz Gutierrez MA, Di Crescenzo A, Di Cristo C, Di Ferdinando D, Dinc C, Donà R, Durhan O, Fasanella D, Fecarotta O, Fedotovs F, Ferrillo M, Fiorillo A, Fresa R, Funicello N, Funk W, Galati G, Giordano V, Golutvin A, Graverini E, Guiducci L, Guler AM, Guliaeva V, Haefeli GJ, Hagner C, Helo Herrera JC, van Herwijnen E, Iaiunese A, Iengo P, Ilieva S, Infante Cabanas SA, Infantino A, Iuliano A, Kamiscioglu C, Kauniskangas AM, Khalikov E, Kim SH, Kim YG, Klioutchnikov G, Komatsu M, Konovalova N, Kuleshov S, Lacker HM, Lantwin O, Lasagni Manghi F, Lauria A, Lee KY, Lee KS, Lee WC, Loschiavo VPet al., 2025,

  Studies of hadronic showers in SND@LHC

  , Journal of Instrumentation, Vol: 20

  The SND@LHC experiment was built for observing neutrinos arising from LHC pp collisions. The detector consists of two sections: a target instrumented with SciFi modules and a hadronic calorimeter/muon detector. Energetic νN collisions in the target produce hadronic showers. Reconstruction of the shower total energy requires an estimate of the fractions deposited in both the target and the calorimeter. In order to calibrate the SND@LHC response, a replica of the detector was exposed to hadron beams with 100 to 300 GeV in the CERN SPS H8 test beam line in Summer 2023. This report describes the methods developed to tag the presence of a shower, to locate the shower origin in the target, and to combine the target SciFi and the calorimeter signals so to measure the shower total energy.

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  Aaij R, Abdelmotteleb ASW, Abellan Beteta C, Abudinén F, Ackernley T, Adefisoye AA, Adeva B, Adinolfi M, Adlarson P, Agapopoulou C, Aidala CA, Ajaltouni Z, Akar S, Akiba K, Albicocco P, Albrecht J, Alessio F, Aliouche Z, Alvarez Cartelle P, Amalric R, Amato S, Amey JL, Amhis Y, An L, Anderlini L, Andersson M, Andreola P, Andreotti M, Andres Estrada S, Anelli A, Ao D, Archilli F, Areg Z, Argenton M, Arguedas Cuendis S, Artamonov A, Artuso M, Aslanides E, Ataíde Da Silva R, Atzeni M, Audurier B, Authier JA, Bacher D, Bachiller Perea I, Bachmann S, Bachmayer M, Back JJ, Baladron Rodriguez P, Balagura V, Balboni A, Baldini W, Balzani L, Bao H, Baptista de Souza Leite J, Barbero Pretel C, Barbetti M, Barbosa IR, Barlow RJ, Barnyakov M, Barsuk S, Barter W, Bartz J, Bashir S, Batsukh B, Battista PB, Bay A, Beck A, Becker M, Bedeschi F, Bediaga IB, Behling NA, Belin S, Belous K, Belov I, Belyaev I, Benane G, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Bernet Andres S, Bertolin A, Betancourt C, Betti F, Bex J, Bezshyiko I, Bezshyyko O, Bhom J, Bieker MS, Biesuz NV, Billoir P, Biolchini A, Birch M, Bishop FCR, Bitadze A, Bizzeti A, Blake T, Blanc F, Blank JE, Blusk Set al., 2025,

  Measurement of branching fractions and CP asymmetries in Λb0Ξb0→pKS0h− decays

  , Journal of High Energy Physics, Vol: 2025

  A study of Λb0 and Ξb0 baryon decays to the final states pKS0π− and pKS0K− is performed using pp collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb⁻¹. The decays Λb0→pKS0K− and Ξb0→pKS0K− are observed for the first time, with significances reaching eight standard deviations. The branching fractions and integrated CP asymmetries are measured for the Λb0→pKS0π−, Λb0→pKS0K−, and Ξb0→pKS0K− decays. For the decay Λb0→pKS0π−, the CP asymmetries are measured in different regions of the Dalitz plot. No evidence of CP violation is observed.

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  Hayrapetyan A, Makarenko V, Tumasyan A, Adam W, Andrejkovic JW, Benato L, Bergauer T, Dragicevic M, Giordano C, Hussain PS, Jeitler M, Krammer N, Li A, Liko D, Matthewman M, Mikulec I, Schieck J, Schoefbeck R, Schwarz D, Shooshtari M, Sonawane M, Waltenberger W, Wulz C-E, Janssen T, Kwon H, Henao DO, Van Laer T, Van Mechelen P, Bierkens J, Breugelmans N, D'Hondt J, Dansana S, De Moor A, Delcourt M, Heyen F, Hong Y, Kashko P, Lowette S, Makarenko I, Mueller D, Song J, Tavernier S, Tytgat M, Van Onsem GP, Van Putte S, Vannerom D, Bilin B, Clerbaux B, Das AK, De Bruyn I, De Lentdecker G, Evard H, Favart L, Gianneios P, Khalilzadeh A, Khan FA, Malara A, Shahzad MA, Thomas L, Vanden Bemden M, Vander Velde C, Vanlaer P, Zhang F, De Coen M, Dobur D, Gokbulut G, Knolle J, Lambrecht L, Marckx D, Skovpen K, Van den Bossche N, van der Linden J, Vandenbroeck J, Wezenbeek L, Bein S, Benecke A, Bethani A, Bruno G, Cappati A, De Jeneret JDF, Delaere C, Giammanco A, Guzel AO, Lemaitre V, Lidrych J, Malek P, Mastrapasqua P, Turkcapar S, Alves GA, Barroso Ferreira Filho M, Coelho E, Hensel C, Menezes De Oliveira T, Mora Herrera C, Rebello Teles P, Soeiro M, Tonelli Manganote EJ, Vilela Pereira A, Alda Junior WL, Brandao Malbouisson H, Carvalho W, Chinellato J, Costa Reis M, Da Costa EM, Da Silveira GG, De Jesus Damiao D, Fonseca De Souza S, Gomes De Souza R, Jesus SS, Laux Kuhn T, Macedo M, Mota Amarilo K, Mundim L, Nogima H, Pinheiro JP, Santoro A, Sznajder A, Thiel M, Torres Da Silva De Araujo F, Bernardes CA, Fernandez Perez Tomei TR, Gregores EM, Lopes Da Costa B, Maietto Silverio I, Mercadante PG, Novaes SF, Orzari B, Padula SS, Scheurer V, Aleksandrov A, Antchev G, Danev P, Hadjiiska R, Iaydjiev P, Misheva M, Shopova M, Sultanov G, Dimitrov A, Litov L, Pavlov B, Petkov P, Petrov A, Keshri S, Laroze D, Thakur S, Brooks W, Cheng T, Javaid T, Wang L, Yuan L, Hu Z, Liang Z, Liu J, Wang X, Chen GM, Chen HS, Chen M, Chen Y, Hou Q, Hou X, Iemmi F, Jiang CH, Kapoor A, Liao H, Liu G, Liet al., 2025,

  Search for <i>CP</i> violation in events with top quarks and Z bosons at √<i>s</i>=13 and 13.6 TeV

  , PHYSICS LETTERS B, Vol: 869, ISSN: 0370-2693
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  Aaij R, Abdelmotteleb ASW, Beteta CA, Abudinen F, Ackernley T, Adefisoye AA, Adeva B, Adinolfi M, Adlarson P, Agapopoulou C, Aidala CA, Ajaltouni Z, Akar S, Akiba K, Albicocco P, Albrecht J, Aleksiejunas R, Alessio F, Aliouche Z, Cartelle PA, Amalric R, Amato S, Amey JL, Amhis Y, An L, Anderlini L, Andersson M, Andreola P, Andreotti M, Estrada SA, Anelli A, Ao D, Archilli F, Areg Z, Argenton M, Cuendis SA, Artamonov A, Artuso M, Aslanides E, Da Silva RA, Atzeni M, Audurier B, Authier JA, Bacher D, Perea IB, Bachmann S, Bachmayer M, Back JJ, Rodriguez PB, Balagura V, Balboni A, Baldini W, Baldwin Z, Balzani L, Bao H, Leite JBDS, Pretel CB, Barbetti M, Barbosa IR, Barlow RJ, Barnyakov M, Barsuk S, Barter W, Bartz J, Bashir S, Batsukh B, Battista PB, Bay A, Beck A, Becker M, Bedeschi F, Bediaga IB, Behling NA, Belin S, Belous K, Belov I, Belyaev I, Benane G, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Andres SB, Bertolin A, Betancourt C, Betti F, Bex J, Bezshyiko I, Bezshyyko O, Bhom J, Bieker MS, Biesuz NV, Billoir P, Biolchini A, Birch M, Bishop FCR, Bitadze A, Bizzeti A, Blake T, Blanc F, Blank JE, Blusk S, Bocharnikov V, Boelhauve JA, Garcia OB, Boettcher T, Bohare A, Boldyrev A, Bolognani CS, Bolzonella R, Bonacci RB, Bondar N, Bordelius A, Borgato F, Borghi S, Borsato M, Borsuk JT, Bottalico E, Bouchiba SA, Bovill M, Bowcock TJV, Boyer A, Bozzi C, Brandenburg JD, Rodriguez AB, Breer N, Brodzicka J, Gonzalo AB, Brown J, Brundu D, Buchanan E, Buonincontri L, Marcos MB, Burke AT, Burr C, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Cai Y, Caillet A, Calabrese R, Ramirez SC, Calefice L, Cali S, Calvi M, Gomez MC, Magalhaes PC, Bouzas JIC, Campana P, Perez DHC, Quezada AFC, Capelli S, Capriotti L, Caravaca-Mora R, Carbone A, Salgado LC, Cardinale R, Cardini A, Carniti P, Carus L, Vidal AC, Caspary R, Casse G, Cattaneo M, Cavallero G, Cavallini V, Celani S, Cesare S, Lopes FCL, Chadwick AJ, Chahrour I, Chang H, Charles M, Charpentier P, Chatzianagnostou Eet al., 2025,

  First observation of the Λ<i>_b</i><SUP>0</SUP> → Λ<i>_c</i><SUP>+</SUP><i>D_s</i><SUP>-</SUP> <i>K</i><SUP>+</SUP> <i>K</i><SUP>-</SUP> decay and search for pentaquarks in the Λ<i>_c</i><SUP>+</SUP><i>D_s</i><SUP>-</SUP> system

  , PHYSICAL REVIEW D, Vol: 112, ISSN: 2470-0010
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• Journal article
  Aaij R, Abdelmotteleb ASW, Abellan Beteta C, Abudinén F, Ackernley T, Adefisoye AA, Adeva B, Adinolfi M, Adlarson P, Agapopoulou C, Aidala CA, Ajaltouni Z, Akar S, Akiba K, Albicocco P, Albrecht J, Aleksiejunas R, Alessio F, Alvarez Cartelle P, Amalric R, Amato S, Amey JL, Amhis Y, An L, Anderlini L, Andersson M, Andreola P, Andreotti M, Andres Estrada S, Anelli A, Ao D, Archilli F, Areg Z, Argenton M, Arguedas Cuendis S, Artamonov A, Artuso M, Aslanides E, Da Silva RA, Atzeni M, Audurier B, Authier JA, Bacher D, Bachiller Perea I, Bachmann S, Bachmayer M, Back JJ, Baladron Rodriguez P, Balagura V, Balboni A, Baldini W, Baldwin Z, Balzani L, Bao H, de Souza Leite JB, Pretel CB, Barbetti M, Barbosa IR, Barlow RJ, Barnyakov M, Barsuk S, Barter W, Bartz J, Bashir S, Batsukh B, Battista PB, Bay A, Beck A, Becker M, Bedeschi F, Bediaga IB, Behling NA, Belin S, Bellavista A, Belous K, Belov I, Belyaev I, Benane G, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Bernet Andres S, Bertolin A, Betancourt C, Betti F, Bex J, Bezshyiko I, Bezshyyko O, Bhom J, Bieker MS, Biesuz NV, Billoir P, Biolchini A, Birch M, Bishop FCR, Bitadze A, Bizzeti A, Blake T, Blanc Fet al., 2025,

  Precision measurement of the Ξ0b baryon lifetime

  , Physical Review D, Vol: 112, ISSN: 2470-0010

  A sample of pp collision data, corresponding to an integrated luminosity of 5.4 fb⁻¹ and collected by the LHCb experiment during LHC Run 2, is used to measure the ratio of the lifetime of the Ξ⁰<inf>b</inf> baryon to that of the Λ⁰<inf>b</inf> baryon, (Formula presented). The value r^Run <inf>τ</inf> ² ¼ 1.004 ± 0.009 ± 0.006 is obtained, where the first uncertainty is statistical and the second systematic. This value is averaged with the corresponding value from Run 1 to obtain r<inf>τ</inf> ¼ 1.004 ± 0.008 ± 0.005. Multiplying by the known value of the Λ⁰<inf>b</inf> lifetime yields τ<inf>Ξ</inf>0 ¼ 1.475 ± 0.012 ± 0.008 ± 0.009 ps, where the last uncertainty is due to the limited knowledge b of the Λ⁰<inf>b</inf> lifetime. This measurement improves the precision of the current world average of the Ξ⁰<inf>b</inf> lifetime by about a factor of two, and is in good agreement with the most recent theoretical predictions.

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• Journal article
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  Observation of Λ Hyperon Local Polarization in <i>p</i>-Pb Collisions at √<i>s</i>_NN=8.16 TeV

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  Measurement of the Ω<i>_c</i><SUP>0</SUP> and Ξ<i>_c</i><SUP>0</SUP> baryon lifetimes using hadronic <i>b</i>-baryon decays

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  Search for dark matter production in association with a single top quark in proton-proton collisions at √<i>s</i>=13 TeV

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  Performance of a Modular Ton-Scale Pixel-Readout Liquid Argon Time Projection Chamber

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  Probing Gluon Fluctuations in Nuclei with the First Energy-Dependent Measurement of Incoherent <i>J</i>/ψ Photoproduction in Ultraperipheral PbPb Collisions

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