Search for lepton flavour number violating Z°-decays
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Search for lepton flavour number violating Z°-decays

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Search for lepton flavour number violating Z°-decays

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DELPHI Collaboration; Ferrer Soria, Antonio Perfil; Higón Rodríguez, Emilio Perfil; Castillo Giménez, María Victoria Perfil; Martínez Vidal, Antonio; Hernández Rey, Juan José Perfil; Fuster Verdú, Juan A. Perfil; Salt Cairols, José Perfil; Lacasta Llácer, Carlos
This document is a artículoDate1997

Este documento está disponible también en : http://dx.doi.org/10.1007/s002880050313

Este documento está disponible también en : http://hdl.handle.net/10550/36013
A search for lepton flavour number violating $Z^0$ decays in the channels \begin{center} $Z^0\rightarrow \mu\tau$,\\ $Z^0\rightarrow e\tau$, \\ $Z^0\rightarrow e\mu$, \\ \end{center} using the DELPHI detector with data collected during the 1991--94 LEP runs, is described. No signal was found. Upper limits at 95\% confidence level for the respective branching fractions of $1.2\times 10^{-5}$, $2.2\times 10^{-5}$, and $0.25\times 10^{-5}$, were obtained.

    DELPHI Collaboration Ferrer Soria, Antonio Higón Rodríguez, Emilio Castillo Giménez, María Victoria Martínez Vidal, Antonio Hernández Rey, Juan José Fuster Verdú, Juan A. Salt Cairols, José Lacasta llácer, Carlos 1997 Search for lepton flavour number violating Z°-decays Zeitschrift für Physik C-Particles and Fields 73 2 243 251
http://dx.doi.org/10.1007/s002880050313

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