Study of flavor-tagged baryon production in B decay

R. Ammar, P. Baringer,A. Bean,D. Besson,D. Coppage,N. Copty,R. Davis,N. Hancock,S. Kotov,I. Kravchenko,N. Kwak,Y. Kubota, M. Lattery,J. K. Nelson,S. Patton,R. Poling,T. Riehle, V. Savinov,Rui Wang,M. S. Alam,I. J. Kim,Z. Ling,A. H. Mahmood,J. J. O’Neill, H. Severini, C. R. Sun,S. Timm,F R Wappler,G. Crawford,J. E. Duboscq,R. Fulton,D. Fujino,K. K. Gan,K. Honscheid,H. Kagan, R. Kass, J. Lee,M. Sung,Christopher G White,R. Wanke,Alfred P Wolf, M. M. Zoeller,Xiangdong Fu,B. Nemati,W. R. Ross, P. Skubic,M H Wood,M. Bishai,J. Fast,E. Gerndt, J. W. Hinson, T. Miao,D. H. Miller,M. Modesitt,E. I. Shibata, I. P. J. Shipsey,P. N. Wang, L. Gibbons,S. D. Johnson,Y. Kwon,Susan B Roberts,E. H. Thorndike,T. E. Coan,J. Dominick,V. Fadeyev, I. Korolkov,M. Lambrecht,S. Sanghera,V G Shelkov, R. Stroynowski, I. Volobouev,G. Wei,M. Artuso,Min Gao,Michael J Goldberg, D. He,N. Horwitz,S. Kopp,G. C. Moneti,R. Mountain, F. Muheim,Y. Mukhin,S. Playfer, T. Skwarnicki,S. Stone,Xiu Xing, J. Bartelt,S. E. Csorna,Vipul Jain,S. Marka,D B Gibaut,K. Kinoshita,P. Pomianowski,S. Schrenk,B C Barish,M. Chadha,S. Chan,D. F. Cowen,G. Eigen,Jeffrey S Miller,C. O’Grady,J. Urheim, A. J. Weinstein, F. Würthwein,D. M. Asner,M. Athanas,Daniel W Bliss,W. S. Brower,G E Masek,H. P. Paar, J. Gronberg,C. M. Korte,R. Kutschke,S. Menary,R. J. Morrison,S. Nakanishi,Harry Norman Nelson,T. K. Nelson,Chunming Qiao, J. D. Richman,D A Roberts, A. Ryd,H. Tajima,Michael S Witherell,R. Balest,Kihyun Cho, W. T. Ford, M. Lohner,Hyohoon Park,P. Rankin,J. Roy,J. G. Smith, J. P. Alexander,C. Bebek,B. E. Berger,K. Berkelman,K. Bloom,T. E. Browder, D. G. Cassel,H. A. Cho,D. M. Coffman,D. S. Crowcroft,M. Dickson, P. S. Drell,D. J. Dumas,R. Ehrlich,R. Elia,P. Gaidarev,B. Gittelman,S. W. Gray,D. L. Hartill, B. K. Heltsley,Sidney C Henderson,C. D. Jones,S. L. Jones,J. Kandaswamy,N. Katayama,P. C. Kim,D. L. Kreinick,Taeho Lee,Yong Liu,G. S. Ludwig,J. Masui,J. Mevissen,N. B. Mistry,C. R. Ng,E. Nordberg, J. R. Patterson, Danielle F Peterson,D. Riley, A. Soffer, C P Ward, P. Avery,A. Freyberger,K. Lingel, C. Prescott,J L Rodriguez,S. Yang, J. Yelton,G. Brandenburg,D. Cinabro,T. Liu,M. Saulnier,R J Wilson,H. Yamamoto,T. Bergfeld, B. I. Eisenstein,J. Ernst,Gary E Gladding,G. D. Gollin,M D Palmer,M. Selen,J. J. Thaler, K. W. Edwards,K. W. McLean,M. Ogg,A. Bellerive,D. I. Britton,E. R. F. Hyatt,R. Janicek,D. B. MacFarlane,P. M. Patel, B. Spaan,A. J. Sadoff

PHYSICAL REVIEW D（1997）

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摘要

Using data collected on the Y(4S) resonance and the nearby continuum by the CLEO-II detector, we have studied combinations of baryons with leptons produced in the process Y(4S)-->B (B) over bar, B-->lepton+X, (B) over bar--> baryon + X. Our results do not support models which attribute the bulk of Lambda(c) production in (B) over bar decay to the process b-->cW(-), W- --> (c) over bar s.

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