Measurements Of Exclusive Semileptonic Decays Of D-Mesons

A. Bean, J. Gronberg,R. Kutschke, S. Menary, R.J. Morrison,S. Nakanishi,H.N. Nelson,T.K. Nelson,J.D. Richman, A. Ryd,H. Tajima,D. Schmidt, D. Sperka,M.S. Witherell,M. Procario,S. Yang,R. Balest,K. Cho,M. Daoudi,W.T. Ford,D.R. Johnson,K. Lingel, M. Lohner,P. Rankin,J.G. Smith,J.P. 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,S.L. 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. Worden, F. Würthwein, P. Avery,A. Freyberger,Rodriguez J,R. Stephens, J. Yelton,D. Cinabro,S. Henderson,K. Kinoshita,T. Liu,M. Saulnier,F. Shen,R. 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,C.M. Daubenmier,R. Fulton,D. Fujino, K.K. Gan,K. Honscheid,H. Kagan, R. Kass,J. Lee,R. Malchow,F. Morrow,Y. 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,D.H. Miller,M. Modesitt,S.F. Schaffner,E.I. Shibata, I.P.J. Shipsey,P.N. Wang,M. Battle, J. Ernst, H. Kroha,Y. Kwon,S. Roberts,K. Sparks,E.H. Thorndike,C.H. Wang,J. Dominick,S. Sanghera,V. Shelkov, T. Skwarnicki, R. Stroynowski, I. 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,J. Bartelt,S.E. Csorna,Z. Egyed,V. Jain, D.S. Akerib,B. Barish,M. Chadha,S. Chan,D.F. Cowen,G. Eigen, J.S. Miller,C. O'Grady,J. Urheim,A.J. Weinstein, D. Acosta,M. Athanas,G. Masek, H. Paar

PHYSICS LETTERS B（1993）

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摘要

Using a sample of integrated luminosity 1.68 fb-1 collected with the CLEO-II detector at the Cornell Electron Storage Ring, we measure the branching ratios for the dominant exclusive semileptonic decays D --> Klnu and D --> K*lnu, using charged and neutral D mesons. We also make a precise measurement of the vector form factor for the decay D0 --> K-l+nu, using a sample of 2700 events.

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关键词

form factor,cleo

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