DELPHI Collaboration; Castillo Giménez, María Victoria Perfil; Higón Rodríguez, Emilio Perfil; Ferrer Soria, Antonio Perfil; Chrin, J. T. M.; Cortina Gil, Eduardo; Ferrer Soria, Antonio Perfil; Fuster Verdú, Juan A. Perfil; García García, Carmen Perfil; Gómez Cadenas, Juan José Perfil; Hernández Rey, Juan José Perfil; Hernando Morata, José Ángel; Lacasta Llácer, Carlos; Lozano Bahilo, José Julio; Martínez Vidal, Fernando Perfil; Martí García, Salvador; Navas Concha, Sergio; Salt Cairols, José Perfil; Valls Ferrer, Juan Antonio | |||
This document is a artículoDate1995 | |||
Este documento está disponible también en : http://dx.doi.org/10.1016/0370-2693(95)01045-R |
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Este documento está disponible también en : http://hdl.handle.net/10550/34767 |
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The DELPHI collaboration has searched for lepton flavour violating decays tau -> mugamma and tau -> egamma using a data sample of about 70 pb-1 of integrated luminosity corresponding to 81 000 produced tau+tau- events. No candidates were found for either of the two modes. This yields branching ratio upper limits of B(tau -> egamma) < 1.1 × 10-4 andB (tau -> mugamma) < 6.2 × 10-5 at 90% confidence level. | |||
DELPHI Collaboration Castillo Giménez, María Victoria Higón Rodríguez, Emilio Ferrer Soria, Antonio 1995 Upper limits on the branching ratios tau-]mu-gamma and tau-]e-gamma Physics Letters B 359 3-4 411 421 |
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http://dx.doi.org/10.1016/0370-2693(95)01045-R |