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DOI: 10.1103/physrevlett.71.4111
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Measurement of charmless semileptonic decays of<i>B</i>mesons
J. Bartelt,S. E. Csorna,Z. Egyed,V. Jain,D. S. Akerib,B. C. Barish,M. Chadha,S. Chan,D. F. Cowen,G. Eigen,J. S. Miller,C.P. O'Grady,J. Urheim,A. J. Weinstein,Darin Acosta,M. Athanas,G. Masek,H. P. Paar,M. Sivertz,A. Bean,J. Gronberg,R. Kutschke,S. Menary,R. J. Morrison,S. Nakanishi,H. N. Nelson,T. K. Nelson,Jeffrey Richman,A. Rýd,H. Tajima,D. Schmidt,David Sperka,M. S. Witherell,M. Procario,S. Yang,K. Cho,M. Daoudi,William T Ford,D. R. Johnson,K. Lingel,M. Lohner,P. Rankin,J. G. Smith,James Alexander,C. Bebek,K. Berkelman,D. Besson,T. E. Browder,D. G. Cassel,H. A. Cho,D. M. Coffman,P. S. Drell,R. Ehrlich,M. Garcia-Sciveres,B. Geiser,B. Gittelman,S. W. Gray,D. L. Hartill,B. K. Heltsley,C. D. Jones,Sarah Jones,J. Kandaswamy,N. Katayama,P. C. Kim,D. L. Kreinick,G. S. Ludwig,J. Masui,J. Mevissen,N. B. Mistry,C. R. Ng,E. Nordberg,M. Ogg,J. R. Patterson,D. Peterson,D. Riley,S. Salman,M. Sapper,H. M. Worden,Frank Würthwein,P. Avery,A. Freyberger,J. L. Rodriguez,R. W. Stephens,J. Yelton,D. Cinabro,S. Henderson,K. Kinoshita,T. Liu,M. Saulnier,F. Shen,Richard Wilson,H. Yamamoto,B. Ong,M. Selen,A. J. Sadoff,R. Ammar,S. Ball,P. Baringer,D. Coppage,N. Copty,R. Davis,N. Hancock,M. Kelly,N. Kwak,H. Lam,Y. Kubota,M. Lattery,J. K. Nelson,S. Patton,D. Perticone,R. Poling,V. Savinov,S. Schrenk,R. Wang,M. S. Alam,I. J. Kim,B. Nemati,J. J. O’Neill,H. Severini,C. R. Sun,M. M. Zoeller,G. Crawford,M. Daubenmeir,R. Fulton,D. Fujino,K. K. Gan,K. Honscheid,H. Kagan,R. Kass,J. Lee,R. Malchow,F. Morrow,Yu. I. Skovpen,M. Sung,C. White,J. Whitmore,P. Wilson,F. Butler,X. Fu,G. Kalbfleisch,M. Lambrecht,W. R. Ross,P. Skubic,J. Snow,P. L. Wang,M. Wood,D. Bortoletto,D. N. Brown,J. Fast,R. L. McIlwain,T. Miao,David Miller,M. Modesitt,S. F. Schaffner,E. I. Shibata,Ian Shipsey,P. N. Wang,M. Battle,J. Ernst,H. Kroha,S. Roberts,K. Sparks,E. H. Thorndike,C. H. Wang,V. Chelkov,J. Dominick,S. Sanghera,T. Skwarnicki,R. Stroynowski,Igor Volobouev,P. Zadorozhny,M. Artuso,D. He,M. Goldberg,N. Horwitz,R. Kennett,G. C. Moneti,F. Muheim,Y. Mukhin,S. Playfer,Y. Rozen,S. Stone,M. Thulasidas,G. Vasseur,G. Zhu
Physics
Particle physics
B meson
1993
Using the CLEO II detector and a sample of 955 000 Υ(4S) decays we have confirmed charmless semileptonic decays of B mesons. In the momentum interval 2.3–2.6 GeV/c we observe an excess of 107±15±11 leptons, which we attribute to b→ulν. This result yields a model-dependent range of values for ‖Vub/Vcb‖ that is lower than has been obtained in previous studies. For the inclusive spectator model of Altarelli et al. we find ‖Vub/Vcb‖=0.076±0.008. Models that describe b→ulν with a limited set of exclusive final states give ‖Vub/Vcb‖=0.06-0.10.Received 7 September 1993DOI:https://doi.org/10.1103/PhysRevLett.71.4111©1993 American Physical Society
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“Measurement of charmless semileptonic decays of<i>B</i>mesons” is a paper by J. Bartelt S. E. Csorna Z. Egyed V. Jain D. S. Akerib B. C. Barish M. Chadha S. Chan D. F. Cowen G. Eigen J. S. Miller C.P. O'Grady J. Urheim A. J. Weinstein Darin Acosta M. Athanas G. Masek H. P. Paar M. Sivertz A. Bean J. Gronberg R. Kutschke S. Menary R. J. Morrison S. Nakanishi H. N. Nelson T. K. Nelson Jeffrey Richman A. Rýd H. Tajima D. Schmidt David Sperka M. S. Witherell M. Procario S. Yang K. Cho M. Daoudi William T Ford D. R. Johnson K. Lingel M. Lohner P. Rankin J. G. Smith James Alexander C. Bebek K. Berkelman D. Besson T. E. Browder D. G. Cassel H. A. Cho D. M. Coffman P. S. Drell R. Ehrlich M. Garcia-Sciveres B. Geiser B. Gittelman S. W. Gray D. L. Hartill B. K. Heltsley C. D. Jones Sarah Jones J. Kandaswamy N. Katayama P. C. Kim D. L. Kreinick G. S. Ludwig J. Masui J. Mevissen N. B. Mistry C. R. Ng E. Nordberg M. Ogg J. R. Patterson D. Peterson D. Riley S. Salman M. Sapper H. M. Worden Frank Würthwein P. Avery A. Freyberger J. L. Rodriguez R. W. Stephens J. Yelton D. Cinabro S. Henderson K. Kinoshita T. Liu M. Saulnier F. Shen Richard Wilson H. Yamamoto B. Ong M. Selen A. J. Sadoff R. Ammar S. Ball P. Baringer D. Coppage N. Copty R. Davis N. Hancock M. Kelly N. Kwak H. Lam Y. Kubota M. Lattery J. K. Nelson S. Patton D. Perticone R. Poling V. Savinov S. Schrenk R. Wang M. S. Alam I. J. Kim B. Nemati J. J. O’Neill H. Severini C. R. Sun M. M. Zoeller G. Crawford M. Daubenmeir R. Fulton D. Fujino K. K. Gan K. Honscheid H. Kagan R. Kass J. Lee R. Malchow F. Morrow Yu. I. Skovpen M. Sung C. White J. Whitmore P. Wilson F. Butler X. Fu G. Kalbfleisch M. Lambrecht W. R. Ross P. Skubic J. Snow P. L. Wang M. Wood D. Bortoletto D. N. Brown J. Fast R. L. McIlwain T. Miao David Miller M. Modesitt S. F. Schaffner E. I. Shibata Ian Shipsey P. N. Wang M. Battle J. Ernst H. Kroha S. Roberts K. Sparks E. H. Thorndike C. H. Wang V. Chelkov J. Dominick S. Sanghera T. Skwarnicki R. Stroynowski Igor Volobouev P. Zadorozhny M. Artuso D. He M. Goldberg N. Horwitz R. Kennett G. C. Moneti F. Muheim Y. Mukhin S. Playfer Y. Rozen S. Stone M. Thulasidas G. Vasseur G. Zhu published in 1993. It has an Open Access status of “green”. You can read and download a PDF Full Text of this paper here.