CLNS 97/1514 CLEO 97-21 Search for Inclusive b → sl + l −

S. Glenn,S. D. Johnson, Y. Kwon,S. Roberts,E. Thorndike,C. Jessop,K. Lingel,H. Marsiske,M. Perl,V. Savinov,D. Ugolini, R. Wang,X. Zhou,T. Coan,V. Fadeyev,I. Korolkov,Y. Maravin,I. Narsky,V. Shelkov, J. Staeck,R. Stroynowski,I. Volobouev,J. Ye,M. Artuso,A. Efimov,M. Goldberg,D. He,S. Kopp,G. Moneti,R. Mountain,S. Schuh,T. Skwarnicki,S. Stone,G. Viehhauser,X. Xing,J. Bartelt,S. Csorna,V. Jain,K. W. McLean,S. Márka,R. Godang,K. Kinoshita,I. Lai,P. Pomianowski,S. Schrenk,G. Bonvicini,D. Cinabro,R. Greene,L. Perera,G. Zhou,B. Barish,M. Chadha, S. Chan,G. Eigen, J. Miller,C. O’Grady,M. Schmidtler,J. Urheim,A. Weinstein,F. Würthwein,D. Bliss, G. Masek,H. Paar, S. Prell,V. Sharma,D. Asner,J. Gronberg,T. Hill,D. Lange, S. Menary,R. J. Morrison,H. Nelson,T. Nelson,C. Qiao,J. Richman,D. Roberts,A. Ryd,M. Witherell,R. Balest,B. Behrens,W. Ford,H. Park,J. Roy,J. Smith, J. Alexander,C. Bebek,B. Berger,K. Berkelman,K. Bloom,D. Cassel,H. Cho,D. S. Crowcroft,M. Dickson,P. Drell,K. Ecklund,R. Ehrlich,A. Foland,P. Gaidarev,L. Gibbons, B. Gittelman,S. Gray,D. Hartill,B. Heltsley,P. Hopman,J. Kandaswamy,P. Kim,D. Kreinick,T. Lee,Y. Liu,N. Mistry,C. Ng,E. Nordberg,M. Ogg,J. Patterson,D. Peterson,D. Riley,A. Soffer,B. Valant-Spaight,C. Ward, M. Athanas,P. Avery,C. Jones,M. Lohner,C. Prescott,J. Yelton,J. Zheng,G. Brandenburg,R. Briere,A. Ershov, Y. Gao,D. Kim,R. Wilson,H. Yamamoto,T. Browder,Y. Li,J. Rodríguez,T. Bergfeld,B. Eisenstein,J. Ernst,G. Gladding,G. Gollin,R. M. Hans,E. Johnson,I. Karliner,M. A. Marsh,M. Palmer,M. Selen, J. Thaler,K. W. Edwards,A. Bellerive, R. Janicek,D. MacFarlane,P. Patel,A. Sadoff,R. Ammar,P. Baringer,A. Bean,D. Besson,D. Coppage,C. Darling, R. Davis,N. Hancock,S. Kotov,I. Kravchenko,N. Kwak,S. Anderson,Y. Kubota,S. J. Lee,J. O’Neill,S. Patton,R. Poling,T. Riehle,A. Smith,M. S. Alam,S. Athar,Z. Ling,A. Mahmood,H. Severini,S. Timm,F. Wappler,A. Anastassov,J. Duboscq,D. Fujino,K. Gan,T. Hart,K. Honscheid,H. Kagan,R. Kass,J. Lee, M. B. Spencer,M. Sung,A. Undrus,R. Wanke,A. Wolf,M. Zoeller,B. Nemati,S. Richichi,W. Ross,P. Skubic,M. Bishai,J. W. Hinson,N. Menon,D. Miller,E. Shibata, I. Shipsey,M. Yurko

semanticscholar（2008）

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摘要

We have searched for the effective FCNC decays b → sl+l− using an inclusive method. We set upper limits on the branching ratios B(b → se+e−) < 5.7 × 10−5, B(b → sμ+μ−) < 5.8 × 10−5, and B(b → seμ) < 2.2 × 10−5 (at 90 % C.L.). Combining the di-electron and di-muon decay modes we find: B(b → sl+l−) < 4.2 × 10−5 (at 90 % C.L.).

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