Tau neutrino mass from semileptonic decays |
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Authors: | Rudolph Tegen |
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Institution: | 1. Institut für Physik, Johannes Gutenberg-Universit?t, Jakob Welder Weg 11, D-6500, Mainz, Germany
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Abstract: | The semileptonic three particle decays of the tau provide determinations of the tau neutrino mass. The shift of the maximal energy of the observable final state particles islinear in the neutrino mass. The endpoint energy of the pion and a partially integrated decay rate in τ → πωv τ and τ → πρV τ are sensitive to a neutrino mass smaller than 100 MeV. Thus, the present bound on \(m_{v_\tau } \) can significantly be improved. |
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