Evidence for a New Structure in the J/p and J/(p)over-bar Systems in Bs0 J/p(p)over-bar Decays
R. Aaij,A. S. W. ABdelmotteleb,C. Abellan Beteta,T. Ackernley,B. Adeva,M. Adinolfi,H. Afsharnia,C. A. Aidala,S. Aiola,Z. Ajaltouni,S. Akar,J. Albrecht,F. Alessio,M. Alexander, A. Alfonso Albero,Z. Aliouche, G. Alkhazov,P. Alvarez Cartelle,S. Amato,J. L. Amey,Y. Amhis,L. An,L. Anderlini,A. Andreianov,M. Andreotti,F. Archilli,A. Artamonov,M. Artuso,K. Arzymatov,E. Aslanides,M. Atzeni,B. Audurier,S. Bachmann,M. Bachmayer,J. J. Back,P. Baladron Rodriguez,V. Balagura,W. Baldini, J. Baptist Leite,R. J. Barlow,S. Barsuk,W. Barter,M. Bartolini,F. Baryshnikov,J. M. Basels,S. Bashir,G. Bassi,B. Batsukh,A. Battig,A. Bay,A. Beck,M. Becker,F. Bedeschi,I Bediaga,A. Beiter,V. Belavin,S. Belin,V. Bellee,K. Belous,I. Belov,I. Belyaev,G. Bencivenni,E. Ben-Haim,A. Berezhnoy,R. Bernet,D. Berninghoff,H. C. Bernstein,C. Bertella,A. Bertolin,C. Betancourt,F. Betti,I. Bezshyiko,S. Bhasin,J. Bhom,L. Bian,M. S. Bieker,S. Bifani,P. Billoir,M. Birch,F. C. R. Bishop,A. Bitadze,A. Bizzeti,M. Bjorn,M. Blago,T. Blake,F. Blanc,S. Blusk,D. Bobulska,J. A. Boelhauve,O. Boente Garcia,T. Boettcher,A. Boldyrev,A. Bondar,N. Bondar,S. Borghi,M. Borisyak,M. Borsato,J. T. Borsuk,S. A. Bouchiba,T. J. V. Bowcock,A. Boyer,C. Bozzi,M. J. Bradley,S. Braun,A. Brea Rodriguez,M. Brodski,J. Brodzicka,A. Brossa Gonzalo,D. Brundu,A. Buonaura,L. Buonincontri,A. T. Burke,C. Burr,A. Bursche,A. Butkevich,J. S. Butter,J. Buytaert,W. Byczynski,S. Cadeddu,H. Cai,R. Calabrese,L. Calefice,L. Calero Diaz,S. Cali,R. Calladine,M. Calvi,M. Calvo Gomez,P. Camargo Magalhaes,P. Campana,A. F. Campoverde Quezada,S. Capelli,L. Capriotti,A. Carbone,G. Carboni,R. Cardinale, A. Cardini,I. Carli,P. Carniti,L. Carus,K. Carvalho Akiba,A. Casais Vidal,G. Casse,M. Cattaneo,G. Cavallero,S. Celani,J. Cerasoli,D. Cervenkov,A. J. Chadwick,M. G. Chapman,M. Charles,Ph. Charpentier,G. Chatzikonstantinidis,C. A. Chavez Barajas,M. Chefdeville,C. Chen,S. Chen,A. Chernov,V. Chobanova,S. Cholak,M. Chrzaszcz,A. Chubykin,V. Chulikov,P. Ciambrone,M. F. Cicala,X. Cid Vidal,G. Ciezarek,P. E. L. Clarke,M. Clemencic,H. V. Cliff,J. Closier,J. L. Cobbledick,V. Coco,J. A. B. Coelho,J. Cogan,E. Cogneras,L. Cojocariu,P. Collins,T. Colombo,L. Congedo,A. Contu,N. Cooke,G. Coombs,I. Corredoira,G. Corti,C. M. Costa Sobral,B. Couturier,D. C. Craik,J. Crkovska,M. Cruz Torres,R. Currie,C. L. Da Silva,S. Dadabaev,L. Dai,E. Dall'Occo,J. Dalseno,C. D'Ambrosio,A. Danilina,P. d'Argent,J. E. Davies,A. Davis,O. De Aguiar Francisco,K. De Bruyn,S. De Capua,M. De Cian,J. M. De Miranda,L. De Paula,M. De Serio, D. De Simone,P. De Simone,J. A. De Vries,C. T. Dean,D. Decamp,L. Del Buono,B. Delaney,H. -P. Dembinski,A. Dendek,V. Denysenko,D. Derkach,O. Deschamps,F. Desse,F. Dettori,B. Dey,A. Di Cicco,P. Di Nezza,S. Didenko,L. Dieste Maronas,H. Dijkstra,V. Dobishuk, C. Dong,A. M. Donohoe,F. Dordei,A. C. Dos Reis,L. Douglas,A. Dovbnya,A. G. Downes,M. W. Dudek,L. Dufour,V. Duk, P. Durante,J. M. Durham,D. Dutta,A. Dziurda,A. Dzyuba,S. Easo,U. Egede,V. Egorychev,S. 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Lobo Salvia,A. Loi,J. Lomba Castro,I. Longstaff, J. H. Lopes,S. Lopez Solino, G. H. Lovell,Y. Lu D. Lucchesi,S. Luchuk, M. Lucio Martinez,V. Lukashenko,Y. Luo,A. Lupato,E. Luppi,O. Lupton,A. Lusiani,X. Lyu,L. Ma,R. Ma, S. Maccolini,F. Machefert,F. Maciuc,V. Macko, P. Mackowiak,S. Maddrell-Mander,O. Madejczyk,L. R. Madhan Mohan,O. Maev, A. Maevskiy, D. Maisuzenko,M. W. Majewski,J. J. Malczewski,S. Malde, B. Malecki,A. Malinin, T. Maltsev, H. Malygina,G. Manca,G. Mancinelli, D. Manuzzi,D. Marangotto,J. Maratas,J. F. Marchand,U. Marconi,S. Mariani,C. Marin Benito,M. Marinangeli,J. Marks,A. M. Marshall,P. J. Marshall,G. Martellotti,L. Martinazzoli,M. Martinelli,D. Martinez Santos,F. Martinez Vidal,A. Massafferri, M. Materok,R. Matev, A. Mathad,Z. Mathe, V. Matiunin,C. Matteuzzi,K. R. Mattioli,A. Mauri,E. Maurice, J. Mauricio,M. Mazurek,M. McCann, L. Mcconnell,T. H. Mcgrath,N. T. Mchugh, A. Mcnab,R. McNulty,J. V. Mead,B. Meadows,G. Meier,N. Meinert,D. Melnychuk,S. Meloni, M. Merk,A. 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Zunica
PHYSICAL REVIEW LETTERS（2022）
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摘要
An amplitude analysis of flavor-untagged B-s(0) -> J=psi p (p) over bar decays is performed using a sample of 797 +/- 31 decays reconstructed with the LHCb detector. The data, collected in proton-proton collisions between 2011 and 2018, correspond to an integrated luminosity of 9 fb(-1). Evidence for a new structure in the J=psi p and J=psi(p) over bar systems with a mass of 4337(-4-2)(+7+2) MeV and a width of 29(-12-14)(+26+14) MeV is found, where the first uncertainty is statistical and the second systematic, with a significance in the range of 3.1 to 3.7 sigma, depending on the assigned J(P) hypothesis.
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