Evidence for Z(c)(+/-)(3900) in semi-inclusive decays of b-flavored hadrons
V. M. Abazov, B. Abbott,B. S. Acharya,M. Adams,T. Adams,J. P. Agnew, G. D. Alexeev, G. Alkhazov,A. Alton, A. Askew,S. Atkins, K. Augsten,V. Aushev,Y. Aushev,C. Avila,F. Badaud,L. Bagby, B. Baldin,D. V. Bandurin,S. Banerjee,E. Barberis, P. Baringer,J. F. Bartlett, U. Bassler,V. E. Bazterra,A. Bean,M. Begalli, L. Bellantoni, S. B. Beri,G. Bernardi, R. Bernhard,I. Bertram, M. Besancon,R. Beuselinck,P. C. Bhat,S. Bhatia,V. Bhatnagar, G. Blazey,S. Blessing,K. Bloom, A. Boehnlein,D. Boline, E. Boos,G. Borissov,M. Borysova,A. Brandt, O. Brandt, M. Brochmann,R. Brock,A. Bross,D. N. Brown,X. B. Bu,M. Buehler, V. Buescher,V. Bunichev, S. Burdin,C. P. Buszello,E. Camacho-Pérez,B. C. K. Casey, H. Castilla-Valdez, S. Caughron, S. Chakrabarti,K. M. Chan,A. Chandra,E. Chapon,G. Chen,Sungwoong Cho,S. Choi,B. Choudhary, S. Cihangir,D. Claes,J. Clutter,M. Cooke,W. E. Cooper, M. Corcoran, F. Couderc, M.-C. Cousinou,Jakub Cúth, D. Cutts,A. Das,G. Davies,S. J. de Jong,E. De La Cruz-Burelo, F. Déliot,R. Demina,D. Denisov,S. P. Denisov,S. Desai,C. Deterre,K. DeVaughan,H. T. Diehl, M. Diesburg,P. F. Ding,A. Dominguez, A. Drutskoy,A. Dubey,L. V. Dudko, A. Duperrin,S. Dutt, M. Eads, D. Edmunds, J. Ellison,V. D. Elvira, Y. Enari,H. Evans, A. Evdokimov, V. N. Evdokimov,A. Fauré,L. Feng, T. Ferbel,F. Fiedler, F. Filthaut,W. Fisher,H. E. Fisk, M. Fortner,H. Fox,J. Franc, S. Fuess,P. H. Garbincius,A. Garcia-Bellido,J. A. García-González, V. Gavrilov,W. Geng,C. E. Gerber, Y. Gershtein, G. Ginther,O. Gogota,G. Golovanov,P. D. Grannis,S. Greder, H. Greenlee, G. Grenier,Ph. Gris, J.-F. Grivaz, A. Grohsjean, S. Grünendahl,M. Grunewald, T. Guillemin, G. Gutierrez,P. Gutierrez, J. Haley, L. Han, K. Harder, A. Harel,J. M. Hauptman, J. Hays,T. Head,T. Hebbeker, D. Hedin, H. Hegab,A. P. Heinson,U. Heintz, C. Hensel,I. Heredia-De La Cruz, K. Herner,G. Hesketh, M. D. Hildreth, R. Hirosky, J. D. Hobbs, B. Hoeneisen,Julie Managan Hogan,M. Hohlfeld,J. L. Holzbauer,I. Howley,Z. Hubacek, V. Hynek, I. Iashvili, Y. Ilchenko,R. Illingworth,A. S. Ito,S. Jabeen,M. Jaffré,A. Jayasinghe, M. S. Jeong, R. Jesik,Peng Jiang,K. Johns,E. Johnson, M. Johnson,A. Jonckheere,P. Jonsson,J. Joshi, A. W. Jung, A. Juste, E. Kajfasz, D. Karmanov, I. Katsanos,M. Kaur, R. Kehoe, S. Kermiche, N. Khalatyan, A. Khanov, A. Kharchilava,Y. N. Kharzheev, I. Kiselevich,J. M. Kohli,A. V. Kozelov,J. Kraus,A. Kumar,A. Kupco,T. Kurca,V. A. Kuzmin,S. Lammers, P. Lebrun,H. S. Lee,S. W. Lee,W. M. Lee,X. Lei,J. Lellouch,D. Li,H. Li,L. Li, Q. Z. Li,J. K. Lim,D. Lincoln,J. Linnemann,V. V. Lipaev, R. Lipton,H. Liu,Y. Liu, A. Lobodenko,M. Lokajicek,R. Lopes De Sá,R. Luna-Garcia, A. L. Lyon,A. K. A. Maciel,R. Madar,R. Magaña-Villalba,S. Malik,V. L. Malyshev,J. Mansour,J. Martínez-Ortega, R. McCarthy,C. L. McGivern,M. M. Meijer, A. Melnitchouk,D. Menezes,P. G. Mercadante, M. Merkin,A. Meyer,J. Meyer,F. Miconi,N. K. Mondal, M. Mulhearn,E. Nagy,M. Narain, R. Nayyar,H. Neal,J. P. Negret, P. Neustroev,H. T. Nguyen, T. Nunnemann, J. Orduna,N. Osman,A. Pal, N. Parashar,V. Parihar, S. K. Park, R. Partridge, N. Parua, A. Patwa,B. Penning,M. Perfilov,Y. Peters, K. Petridis,G. Petrillo,P. Pétroff, M.-A. Pleier,V. M. Podstavkov,A. Popov,M. Prewitt,D. Price, J. Qian, A. Quadt,B. Quinn,P. N. Ratoff,I. Razumov, I. Ripp-Baudot, F. Rizatdinova, M. Rominsky,A. Ross,C. Royon, P. Rubinov, R. Ruchti, G. Sajot,A. Sanchez-Hernandez,M. P. Sanders,A. S. Santos, G. Savage, Mykola Savitskyi,L. Sawyer,T. Scanlon,R. D. Schamberger, Y. Scheglov, H. Schellman,M. Schott, C. Schwanenberger,R. Schwienhorst, J. Sekaric,H. Severini, E. Shabalina, V. Shary, Savanna Marie Shaw,A. A. Shchukin,O. Shkola, V. Simak, P. Skubic, P. Slattery, G. R. Snow,J. Snow,S. Snyder,S. Söldner-Rembold, L. Sonnenschein, K. Soustruznik,J. Stark,Nazar Stefaniuk,D. A. Stoyanova, M. Strauss,L. Suter, P. Svoisky,M. Titov,V. V. Tokmenin,Y.-T. Tsai, D. Tsybychev, B. Tuchming,C. Tully, L. Uvarov, S. Uvarov, S. Uzunyan,R. Van Kooten,W. M. van Leeuwen, N. Varelas,E. W. Varnes,I. A. Vasilyev,A. Y. Verkheev,L. S. Vertogradov,M. Verzocchi,M. Vesterinen,D. Vilanova, P. Vokac, H. D. Wahl,M. H. L. S. Wang, J. Warchol, G. Watts, M. Wayne, J. Weichert,L. Welty-Rieger,M. Williams,G. W. Wilson,M. Wobisch,D. Wood,T. R. Wyatt,Y. Xie,R. Yamada,S. Yang,T. Yasuda,Y. A. Yatsunenko, W. Ye, Z. Ye, H. Yin,K. Yip,S. W. Youn,J. Yu, J. Zennamo,T. G. Zhao,B. Zhou, J. Zhu, M. Zielinski,D. Zieminska, L. Zivkovic
Physical Review D（2018）
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摘要
We present evidence for the exotic charged charmoniumlike state Zc±(3900) decaying to J/ψπ± in semi-inclusive weak decays of b-flavored hadrons. The signal is correlated with a parent J/ψπ+π- system in the invariant-mass range 4.2-4.7 GeV that would include the exotic structure Y(4260). The study is based on 10.4 fb-1 of pp collision data collected by the D0 experiment at the Fermilab Tevatron collider. © 2018 authors. Published by the American Physical Society.
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