Evidence Of A J/Psi Lambda Structure And Observation Of Excited Xi(-) States In The Xi(-)(B) -> J/Psi Lambda K- Decay
R. Aaij,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, 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, S. Baker,P. Baladron Rodriguez,V Balagura,W. Baldini,J. Baptista Leite,R. J. Barlow, S. Barsuk,W. Barter,M. Bartolini,F. Baryshnikov, J. M. Basels, G. Bassi, B. Batsukh, A. Battig, A. Bay,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, E. Bertholet,A. Bertolin,C. Betancourt,F. Betti,Ia Bezshyiko,S. Bhasin, J. Bhom,L. Bian,M. S. Bieker,S. Bifani, P. Billoir, M. Birch, F. C. R. Bishop,A. Bizzeti,M. Bjorn,M. P. 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. Bowcock,A. Boyer,C. Bozzi,M. J. Bradley,S. Braun,A. Brea Rodriguez, M. Brodski, J. Brodzicka,A. Brossa Gonzalo,D. Brundu, A. Buonaura,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, A. Camboni,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, A. J. Chadwick,M. G. Chapman,M. Charles,Ph Charpentier,G. Chatzikonstantinidis,C. A. Chavez Barajas, M. Chefdeville,C. Chen,S. Chen,A. Chernov,S-G Chitic,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. 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,G. Corti,C. M. Costa Sobral, B. Couturier,D. C. Craik,J. Crkovska,M. Cruz Torres,R. Currie,C. L. Da Silva,E. Dall'Occo, J. Dalseno, C. D'Ambrosio, A. Danilina, P. D'Argent,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,W. 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,P. Di Nezza,S. Didenko,L. Dieste Maronas,H. Dijkstra, V Dobishuk, A. M. Donohoe,F. Dordei,A. C. Dos Reis, L. Douglas, A. Dovbnya, A. G. Downes, K. Dreimanis, M. W. Dudek,L. Dufour, V Duk, P. Durante,J. M. Durham,D. Dutta, M. Dziewiecki, A. Dziurda, A. Dzyuba, S. Easo,U. Egede,V Egorychev,S. Eidelman,S. Eisenhardt,S. Ek-In, L. Eklund,S. Ely, A. Ene, E. Epple,S. Escher, J. Eschle,S. Esen,T. Evans, A. Falabella, J. Fan,Y. Fan,B. Fang, N. Farley, S. Farry,D. Fazzini, P. Fedin,M. Feo,P. Fernandez Declara,A. Fernandez Prieto,J. M. Fernandez-Tenllado Arribas,F. Ferrari,L. Ferreira Lopes,F. Ferreira Rodrigues,S. Ferreres Sole, M. Ferrillo, M. Ferro-Luzzi,S. Filippov,R. A. Fini, M. Fiorini,M. Firlej, K. M. Fischer, C. Fitzpatrick,T. Fiutowski,F. Fleuret,M. Fontana, F. Fontanelli, R. Forty,V. Franco Lima,M. Franco Sevilla,M. Frank, E. Franzoso, G. Frau, C. Frei,D. A. Friday,J. Fu, Q. Fuehring, W. Funk,E. Gabriel,T. Gaintseva,A. Gallas Torreira,D. Galli,S. Gambetta,Y. Gan,M. Gandelman, P. Gandini,Y. Gao,M. Garau,L. M. Garcia Martin,P. Garcia Moreno,J. Garcia Pardinas,B. Garcia Plana,F. A. Garcia Rosales,L. Garrido, C. Gaspar, R. E. Geertsema, D. Gerick, L. L. Gerken,E. Gersabeck,M. Gersabeck, T. Gershon,D. Gerstel,Ph Ghez, V Gibson,M. Giovannetti, A. Gioventu,P. Gironella Gironell, L. Giubega, C. Giugliano,K. Gizdov,E. L. Gkougkousis,V. V. Gligorov,C. Gobel, E. Golobardes, D. Golubkov,A. Golutvin,A. Gomes,S. Gomez Fernandez,F. Goncalves Abrantes,M. Goncerz,G. Gong, P. Gorbounov,I. Gorelov,C. Gotti,E. Govorkova,J. P. Grabowski,R. Graciani Diaz, T. Grammatico,L. A. Granado Cardoso,E. Grauges,E. Graverini, G. Graziani,A. Grecu, L. M. Greeven,P. Griffith, L. Grillo,S. Gromov,B. R. Gruberg Cazon,C. Gu, M. Guarise, P. A. Guenther, E. Gushchin,A. Guth,Y. Guz, T. Gys,T. Hadavizadeh, G. Haefeli, C. Haen, J. Haimberger, T. Halewood-Leagas, P. M. Hamilton,Q. Han,X. Han,T. H. Hancock, S. Hansmann-Menzemer, N. Harnew,T. Harrison,C. Hasse, M. Hatch,J. He,M. Hecker, K. Heijhoff,K. Heinicke,A. M. Hennequin, K. Hennessy,L. Henry,J. Heuel, A. Hicheur,D. Hill,M. Hilton, S. E. Hollitt,J. Hu,W. Hu,W. Huang,X. Huang,W. Hulsbergen, R. J. Hunter, M. Hushchyn,D. Hutchcroft,D. Hynds,P. Ibis,M. Idzik, D. Ilin, P. Ilten, A. Inglessi,A. Ishteev,K. Ivshin, R. Jacobsson,S. Jakobsen, E. Jans,B. K. Jashal,A. Jawahery, V Jevtic, M. Jezabek,F. Jiang,M. John,D. Johnson,C. R. Jones,T. P. Jones,B. Jost,N. Jurik,S. Kandybei,Y. Kang, M. Karacson, M. Karpov,N. Kazeev, F. Keizer,M. Kenzie,T. Ketel, B. Khanji, A. Kharisova,S. Kholodenko,K. E. Kim,T. Kirn,V. S. Kirsebom, O. Kitouni,S. Klaver,K. Klimaszewski,S. Koliiev,A. Kondybayeva, A. Konoplyannikov,P. Kopciewicz,R. Kopecna,P. Koppenburg,M. Korolev,I Kostiuk,O. Kot,S. Kotriakhova,P. Kravchenko, L. Kravchuk, R. D. Krawczyk, M. Kreps, F. Kress, S. Kretzschmar, P. Krokovny,W. Krupa,W. Krzemien,W. Kucewicz, M. Kucharczyk,V Kudryavtsev,H. S. Kuindersma,G. J. Kunde, T. Kvaratskheliya, D. Lacarrere, G. Lafferty,A. Lai, A. Lampis, D. Lancierini, J. J. Lane,R. Lane, G. Lanfranchi, C. Langenbruch,J. Langer,O. Lantwin,T. Latham,F. Lazzari,R. Le Gac,S. H. Lee,R. Lefevre, A. Leflat, S. Legotin,O. Leroy,T. Lesiak, B. Leverington,H. Li,L. Li,P. Li,Y. Li,Z. Li,X. Liang,T. Lin,R. Lindner,V Lisovskyi, R. Litvinov,G. Liu,H. Liu,S. Liu,X. Liu,A. Loi,J. Lomba Castro, I Longstaff,J. H. Lopes,G. Loustau,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,R. Manera Escalero, D. Manuzzi,D. Marangotto,J. Maratas,J. F. Marchand, U. Marconi,S. Mariani,C. Marin Benito,M. Marinangeli,P. Marino,J. Marks,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, A. Mcnab,R. Mcnulty,J. Mead, B. Meadows, C. Meaux,G. Meier, N. Meinert,D. Melnychuk,S. Meloni, M. Merk, A. Merli,L. Meyer Garcia,M. Mikhasenko,D. A. Milanes,E. Millard,M. Milovanovic,M-N Minard, L. Minzoni, S. E. Mitchell, B. Mitreska,D. S. Mitzel, A. Modden, R. A. Mohammed,R. D. Moise,T. Mombacher,I. A. Monroy,S. Monteil, M. Morandin,G. Morello,M. J. Morello,J. Moron, A. B. Morris, A. G. Morris, R. Mountain,H. Mu,F. Muheim,M. Mukherjee,M. Mulder,D. Muller,K. Muller, C. H. Murphy,D. Murray, P. Muzzetto,P. Naik,T. Nakada,R. Nandakumar,T. Nanut,I Nasteva,M. Needham,I Neri, S. Neubert, N. Neufeld,R. Newcombe,T. D. Nguyen, C. Nguyen-Mau,E. M. Niel,S. Nieswand, N. Nikitin,N. S. Nolte,C. Nunez,A. Oblakowska-Mucha,V Obraztsov,D. P. O'Hanlon, R. Oldeman, M. E. Olivares,C. J. G. Onderwater,A. Ossowska,J. M. Otalora Goicochea,T. Ovsiannikova,P. Owen,A. Oyanguren, B. Pagare,P. R. Pais,T. Pajero,A. Palano, M. Palutan,Y. Pan,G. Panshin, A. Papanestis,M. Pappagallo, L. L. Pappalardo,C. Pappenheimer,W. Parker,C. Parkes,C. J. Parkinson, B. Passalacqua,G. Passaleva,A. Pastore,M. Patel,C. Patrignani, C. J. Pawley,A. Pearce,A. Pellegrino,M. Pepe Altarelli,S. Perazzini,D. Pereima, P. Perret, K. Petridis, A. Petrolini,A. Petrov,S. Petrucci, M. Petruzzo, T. T. H. Pham, A. Philippov, L. Pica,M. Piccini, B. Pietrzyk, G. Pietrzyk, M. Pili, D. Pinci,F. Pisani, A. Piucci, P. K. Resmi,V Placinta,J. Plews,M. Plo Casasus, F. Polci,M. Poli Lener, M. Poliakova,A. Poluektov,N. Polukhina, I Polyakov, E. Polycarpo,G. J. Pomery,S. Ponce,D. Popov,S. Popov,S. Poslavskii, K. Prasanth, L. Promberger, C. Prouve, V Pugatch, H. Pullen,G. Punzi, W. Qian,J. Qin, R. Quagliani, B. Quintana, N. Raab,R. I. Rabadan Trejo,B. Rachwal, J. H. Rademacker,M. Rama,M. Ramos Pernas, M. S. Rangel, F. Ratnikov,G. Raven,M. Reboud,F. Redi,F. Reiss,C. Remon Alepuz,Z. Ren, V Renaudin, R. Ribatti,S. Ricciardi, K. Rinnert, P. Robbe,A. Robert,G. Robertson,A. B. Rodrigues,E. Rodrigues,J. A. Rodriguez Lopez, A. Rollings,P. Roloff,V Romanovskiy,M. Romero Lamas,A. Romero Vidal,J. D. Roth,M. Rotondo, M. S. Rudolph,T. Ruf,J. Ruiz Vidal,A. Ryzhikov, J. Ryzka,J. J. Saborido Silva, N. Sagidova,N. Sahoo, B. Saitta,D. Sanchez Gonzalo,C. Sanchez Gras, R. Santacesaria,C. Santamarina Rios,M. Santimaria, E. Santovetti,D. Saranin,G. Sarpis, M. Sarpis,A. Sarti, C. Satriano,A. Satta, M. Saur, D. Savrina, H. Sazak,L. G. Scantlebury Smead,S. Schael,M. Schellenberg,M. Schiller,H. Schindler, M. Schmelling,B. Schmidt,O. Schneider, A. Schopper,M. Schubiger,S. Schulte,M. H. Schune, R. Schwemmer, B. Sciascia, A. Sciubba, S. Sellam, A. Semennikov,M. Senghi Soares, A. Sergi,N. Serra,L. Sestini, A. Seuthe, P. Seyfert,D. M. Shangase, M. Shapkin, I Shchemerov,L. Shchutska,T. Shears, L. Shekhtman,Z. Shen,V Shevchenko, E. B. Shields, E. Shmanin,J. D. Shupperd,B. G. Siddi,R. Silva Coutinho, G. Simi,S. Simone, I Skiba, N. Skidmore,T. Skwarnicki, M. W. Slater, J. C. Smallwood,J. G. Smeaton, A. Smetkina,E. Smith,M. Smith,A. Snoch,M. Soares,L. Soares Lavra, M. D. Sokoloff,F. J. P. Soler, A. Solovev,I Solovyev,F. L. Souza De Almeida,B. Souza De Paula, B. Spaan,E. Spadaro Norella, P. Spradlin, F. Stagni,M. Stahl,S. Stahl, P. Stefko, O. Steinkamp,S. Stemmle, O. Stenyakin,H. Stevens,S. Stone,M. E. Stramaglia,M. Straticiuc, D. Strekalina, S. Strokov, F. Suljik, J. Sun,L. Sun,Y. Sun,P. Svihra, P. N. Swallow,K. Swientek, A. Szabelski,T. Szumlak,M. Szymanski, S. Taneja, F. Teubert,E. Thomas, K. A. Thomson,M. J. Tilley, V Tisserand, S. T'Jampens,M. Tobin, S. Tolk, L. Tomassetti,D. Torres Machado,D. Y. Tou, M. Traill,M. T. Tran,E. Trifonova,C. Trippl,G. Tuci, A. Tully, N. Tuning,A. Ukleja, D. J. Unverzagt, E. Ursov,A. Usachov,A. Ustyuzhanin,U. Uwer,A. Vagner,V. Vagnoni,A. Valassi, G. Valenti,N. Valls Canudas,M. Van Beuzekom,M. Van Dijk,E. Van Herwijnen,C. B. Van Hulse,M. Van Veghel,R. Vazquez Gomez,P. Vazquez Regueiro,C. Vazquez Sierra,S. Vecchi,J. J. Velthuis, M. Veltri,A. Venkateswaran, M. Veronesi, M. Vesterinen, D. Vieira,M. Vieites Diaz, H. Viemann,X. Vilasis-Cardona,E. Vilella Figueras,P. Vincent,G. Vitali, A. Vollhardt,D. Vom Bruch, A. Vorobyev,V. Vorobyev,N. Voropaev, R. Waldi, J. Walsh, C. Wang, J. Wang,M. Wang,R. Wang,Y. Wang,Z. Wang,H. M. Wark,N. K. Watson,S. G. Weber,D. Websdale, C. Weisser, B. D. C. Westhenry,D. J. White,M. Whitehead, D. Wiedner,G. Wilkinson,M. Wilkinson,I Williams,M. Williams,M. R. J. Williams,F. F. Wilson,W. Wislicki,M. Witek, L. Witola, G. Wormser,S. A. Wotton,H. Wu, K. Wyllie,Z. Xiang, D. Xiao,Y. Xie,A. Xu,J. Xu, L. Xu,M. Xu,Q. Xu,Z. Xu,D. Yang,S. Yang,Y. Yang, Z. Yang,Y. Yao,L. E. Yeomans, H. Yin,J. Yu,X. Yuan, O. Yushchenko,E. Zaffaroni,K. A. Zarebski,M. Zavertyaev, M. Zdybal, O. Zenaiev,M. Zeng,D. Zhang, L. Zhang,S. Zhang,Y. Zhang, A. Zhelezov,Y. Zheng,X. Zhou,Y. Zhou,X. Zhu,V Zhukov,J. B. Zonneveld,S. Zucchelli,D. Zuliani, G. Zunica
SCIENCE BULLETIN（2021）
引用 104|浏览25
摘要
First evidence of a structure in the J/psi Lambda invariant mass distribution is obtained from an amplitude analysis of Xi(-)(b) -> J/psi Lambda K- decays. The observed structure is consistent with being due to a charmonium pentaquark with strangeness with a significance of 3.1r including systematic uncertainties and lookelsewhere effect. Its mass and width are determined to be 4458.8 +/- 2.9(-1.1)(+4.7) MeV and 17.3 +/- 6.5(-5.7)(+8.0) MeV, respectively, where the quoted uncertainties are statistical and systematic. The structure is also consistent with being due to two resonances. In addition, the narrow excited Xi(-) states, Xi(-)(1690) and Xi(-)(1820)(-), are seen for the first time in a Xi(-)(b) decay, and their masses and widths are measured with improved precision. The analysis is performed using pp collision data corresponding to a total integrated luminosity of 9 fb(-1), collected with the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV. (c) 2021 Science China Press. Published by Elsevier B.V. and Science China Press. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
更多查看译文
关键词
QCD, Exotics, Pentaquark, Spectroscopy, Quarkonium, Particle and resonance production
AI 理解论文
溯源树
样例
生成溯源树，研究论文发展脉络
Chat Paper
正在生成论文摘要