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@article{Aaij:2020:10.1103/PhysRevLett.124.082002,
author = {Aaij, R and Beteta, CA and Adeva, B and Adinolfi, M and Aidala, CA and Ajaltouni, Z and Akar, S and Albicocco, P and Albrecht, J and Alessio, F and Alexander, M and Albero, AA and Alkhazov, G and Cartelle, PA and Alves, AA and Amato, S and Amerio, S and Amhis, Y and An, L and Anderlini, L and Andreassi, G and Andreotti, M and Andrews, JE and Archilli, F and d'Argent, P and Romeu, JA and Artamonov, A and Artuso, M and Arzymatov, K and Aslanides, E and Atzeni, M and Audurier, B and Bachmann, S and Back, JJ and Baker, S and Balagura, V and Baldini, W and Baranov, A and Barlow, RJ and Barrand, GC and Barsuk, S and Barter, W and Bartolini, M and baryshnikov, F and Batozskaya, V and Batsukh, B and Battig, A and Battista, V and Bay, A and Beddow, J and Bedeschi, F and Bediaga, I and Beiter, A and Bel, LJ and Belin, S and Beliy, N and Bellee, V and Belloli, N and Belous, K and Belyaev, I and Ben-Haim, E and Bencivenni, G and Benson, S and Beranek, S and Berezhnoy, A and Bernet, R and Berningho},
doi = {10.1103/PhysRevLett.124.082002},
journal = {Physical Review Letters},
pages = {082002--1--082002--12},
title = {First observation of excited omega(-)(b) states},
url = {http://dx.doi.org/10.1103/PhysRevLett.124.082002},
volume = {124},
year = {2020}
}

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TY  - JOUR
AB  - We report four narrow peaks in the Ξ0bK− mass spectrum obtained using pp collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9  fb−1 recorded by the LHCb experiment. Referring to these states by their mass, the mass values are m[Ωb(6316)−]=6315.64±0.31±0.07±0.50  MeV, m[Ωb(6330)−]=6330.30±0.28±0.07±0.50  MeV, m[Ωb(6340)−]=6339.71±0.26±0.05±0.50  MeV, m[Ωb(6350)−]=6349.88±0.35±0.05±0.50  MeV, where the uncertainties are statistical, systematic, and the last is due to the knowledge of the Ξ0b mass. The natural widths of the three lower mass states are consistent with zero, and the 90% confidence-level upper limits are determined to be Γ[Ωb(6316)−]<2.8  MeV, Γ[Ωb(6330)−]<3.1  MeV and Γ[Ωb(6340)−]<1.5  MeV. The natural width of the Ωb(6350)− peak is 1.4+1.0−0.8±0.1  MeV, which is 2.5σ from zero and corresponds to an upper limit of 2.8 MeV. The peaks have local significances ranging from 3.6σ to 7.2σ. After accounting for the look-elsewhere effect, the significances of the Ωb(6316)− and Ωb(6330)− peaks are reduced to 2.1σ and 2.6σ, respectively, while the two higher mass peaks exceed 5σ. The observed peaks are consistent with expectations for excited Ω−b resonances.
AU  - Aaij,R
AU  - Beteta,CA
AU  - Adeva,B
AU  - Adinolfi,M
AU  - Aidala,CA
AU  - Ajaltouni,Z
AU  - Akar,S
AU  - Albicocco,P
AU  - Albrecht,J
AU  - Alessio,F
AU  - Alexander,M
AU  - Albero,AA
AU  - Alkhazov,G
AU  - Cartelle,PA
AU  - Alves,AA
AU  - Amato,S
AU  - Amerio,S
AU  - Amhis,Y
AU  - An,L
AU  - Anderlini,L
AU  - Andreassi,G
AU  - Andreotti,M
AU  - Andrews,JE
AU  - Archilli,F
AU  - d'Argent,P
AU  - Romeu,JA
AU  - Artamonov,A
AU  - Artuso,M
AU  - Arzymatov,K
AU  - Aslanides,E
AU  - Atzeni,M
AU  - Audurier,B
AU  - Bachmann,S
AU  - Back,JJ
AU  - Baker,S
AU  - Balagura,V
AU  - Baldini,W
AU  - Baranov,A
AU  - Barlow,RJ
AU  - Barrand,GC
AU  - Barsuk,S
AU  - Barter,W
AU  - Bartolini,M
AU  - baryshnikov,F
AU  - Batozskaya,V
AU  - Batsukh,B
AU  - Battig,A
AU  - Battista,V
AU  - Bay,A
AU  - Beddow,J
AU  - Bedeschi,F
AU  - Bediaga,I
AU  - Beiter,A
AU  - Bel,LJ
AU  - Belin,S
AU  - Beliy,N
AU  - Bellee,V
AU  - Belloli,N
AU  - Belous,K
AU  - Belyaev,I
AU  - Ben-Haim,E
AU  - Bencivenni,G
AU  - Benson,S
AU  - Beranek,S
AU  - Berezhnoy,A
AU  - Bernet,R
AU  - Berninghoff,D
AU  - Bertholet,E
AU  - Bertolin,A
AU  - Betancourt,C
AU  - Betti,F
AU  - Bettler,MO
AU  - van,Beuzekom M
AU  - Bezshyiko,I
AU  - Bhasin,S
AU  - Bhom,J
AU  - Bifani,S
AU  - Billoir,P
AU  - Birnkraut,A
AU  - Bizzeti,A
AU  - Bjorn,M
AU  - Blago,MP
AU  - Blake,T
AU  - Blanc,F
AU  - Blusk,S
AU  - Bobulska,D
AU  - Bocci,V
AU  - Boente,Garcia O
AU  - Boettcher,T
AU  - Bondar,A
AU  - Bondar,N
AU  - Borghi,S
AU  - Borisyak,M
AU  - Borsato,M
AU  - Bossu,F
AU  - Boubdir,M
AU  - Bowcock,TJV
AU  - Bozzi,C
AU  - Braun,S
AU  - Brodski,M
AU  - Brodzicka,J
AU  - Gonzalo,AB
AU  - Brundu,D
AU  - Buchanan,E
AU  - Buonaura,A
AU  - Burr,C
AU  - Bursche,A
AU  - Buytaert,J
AU  - Byczynski,W
AU  - Cadeddu,S
AU  - Cai,H
AU  - Calabrese,R
AU  - Calladine,R
AU  - Calvi,M
AU  - Calvo,Gomez M
AU  - Camboni,A
AU  - Campana,P
AU  - Perez,DHC
AU  - Capriotti,L
AU  - Carbone,A
AU  - Carboni,G
AU  - Cardinale,R
AU  - Cardini,A
AU  - Carniti,P
AU  - Carvalho,Akiba K
AU  - Casse,G
AU  - Cassina,L
AU  - Cattaneo,M
AU  - Cavallero,G
AU  - Cenci,R
AU  - Chamont,D
AU  - Chapman,MG
AU  - Charles,M
AU  - Charpentier,P
AU  - Chatzikonstantinidis,G
AU  - Chefdeville,M
AU  - Chekalina,V
AU  - Chen,C
AU  - Chen,S
AU  - Chitic,S-G
AU  - Chobanova,V
AU  - Chrzaszcz,M
AU  - Chubykin,A
AU  - Ciambrone,P
AU  - Cid,Vidal X
AU  - Ciezarek,G
AU  - Cindolo,F
AU  - Clarke,PEL
AU  - Clemencic,M
AU  - Cliff,HV
AU  - Closier,J
AU  - Coco,V
AU  - Coelho,JAB
AU  - Cogan,J
AU  - Cogneras,E
AU  - Cojocariu,L
AU  - Collins,P
AU  - Colombo,T
AU  - Comerma-Montells,A
AU  - Contu,A
AU  - Coombs,G
AU  - Coquereau,S
AU  - Corti,G
AU  - Corvo,M
AU  - Sobral,CMC
AU  - Couturier,B
AU  - Cowan,GA
AU  - Craik,DC
AU  - Crocombe,A
AU  - Cruz,Torres M
AU  - Currie,R
AU  - D'Ambrosio,C
AU  - Da,Cunha Marinho F
AU  - Da,Silva CL
AU  - Dall'Occo,E
DO  - 10.1103/PhysRevLett.124.082002
EP  - 1
PY  - 2020///
SN  - 0031-9007
SP  - 082002
TI  - First observation of excited omega(-)(b) states
T2  - Physical Review Letters
UR  - http://dx.doi.org/10.1103/PhysRevLett.124.082002
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000515707700003&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.124.082002
UR  - http://hdl.handle.net/10044/1/79913
VL  - 124
ER  -

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