Search For Tau--] Gamma-Mu- - A Test Of Lepton Number Conservation

A. Bean, J. Gronberg,R. Kutschke, S. Menary,R. Morrison,H. Nelson,J. Richman,H. Tajima,D. Schmidt, D. Sperka,M. Witherell,M. Procario, S. Yang,M. Daoudi,W. Ford,D. Johnson,K. Lingel, M. Lohner,P. Rankin,J. Smith, J. Alexander,C. Bebek,K. Berkelman, D. Besson, T. Browder,D. Cassel,D. Coffman, P. Drell,R. Ehrlich,R. Galik,M. Garcia-Sciveres,B. Geiser,B. Gittelman, S. Gray,D. Hartill, B. Heltsley,K. Honscheid,C. Jones,J. Kandaswamy,N. Katayama, P. Kim,D. Kreinick,G. Ludwig,J. Masui,J. Mevissen,N. Mistry,C. Ng, E. Nordberg,C. O’Grady,J. Patterson, D. Peterson, D. Riley,M. Sapper,M. Selen,H. Worden,M. Worris, F. Würthwein, P. Avery,A. Freyberger,J. Rodriguez,R. Stephens, J. Yelton,D. Cinabro,S. Henderson,K. Kinoshita,T. Liu,M. Saulnier,R. Wilson, H. Yamamoto, A. 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. Nelson,S. Patton, D. Perticone,R. Poling, V. Savinov,S. Schrenk,R. Wang,M. Alam,I. Kim,B. Nemati,J. O’Neill,V. Romero, H. Severini,C. Sun,P.-N. Wang,M. Zoeller,G. Crawford,R. Fulton,K. Gan, H. Kagan, R. Kass,J. Lee,R. Malchow,F. Morrow,M. Sung,C. White, J. Whitmore,P. Wilson,F. Butler,X. Fu,G. Kalbfleisch,M. Lambrecht,W. Ross, P. Skubic, J. Snow,P.-L. Wang, D. Bortoletto,D. Brown,J. Dominick,R. McIlwain, T. Miao,D. Miller,M. Modesitt,S. Schaffner, E. Shibata, I. Shipsey,M. Battle, J. Ernst, H. Kroha,S. Roberts,K. Sparks,E. Thorndike,C.-H. Wang,S. Sanghera, T. Skwarnicki, R. Stroynowski,M. Artuso,M. Goldberg,N. Horwitz, R. Kennett, G. Moneti, F. Muheim,S. Playfer, Y. Rozen,P. Rubin,S. Stone,M. Thulasidas,W.-M. Yao, G. Zhu,A. Barnes, J. Bartelt, S. Csorna,Z. Egyed,V. Jain, P. Sheldon,D. Akerib,B. Barish,M. Chadha,D. Cowen,G. Eigen,J. Miller,J. Urheim,A. Weinstein, D. Acosta, G. Masek,B. Ong, H. Paar,M. Sivertz

PHYSICAL REVIEW LETTERS(1993)

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摘要
A search for the lepton number violating decay of the tau lepton to the gammamu final state has been performed with the CLEO II detector at the Cornell e+e- storage ring CESR. In a data sample that corresponds to an integrated luminosity of 1.55 fb-1, we observe no candidates in the signal region. We thus determine an upper limit of B (tau- --> gammamu-) < 4.2x10(-6) at 90% confidence level.
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