Tau lepton mixing with charginos and its effects on chargino searches at e(+)e(-) colliders
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Tau lepton mixing with charginos and its effects on chargino searches at e(+)e(-) colliders

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Tau lepton mixing with charginos and its effects on chargino searches at e(+)e(-) colliders

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Akeroyd, A.G.; Díaz, Marco Aurelio; Furtado Valle, José Wagner Perfil
Aquest document és un/a article, creat/da en: 1998
In bilinear R-Parity violating models where a term \epsilon_3L_3H_2 is introduced in the superpotential, the tau lepton can mix with charginos. We show that this mixing is fully compatible with LEP1 precision measurements of the Z\tau\tau and W\tau\nu_\tau couplings even for large values of \epsilon_3 and of the induced vacuum expectation value v_3 of the tau-sneutrino. The single production of charginos at e+e- colliders is possible in this case and we present numerical values of the cross-section at LEP1, LEP2 and an NLC. We find maximum values of 10 pb at LEP1 and 1 fb at NLC, while the corresponding values at LEP2 are too small to observe.

    Akeroyd, A.G. Díaz, Marco Aurelio Furtado Valle, José Wagner 1998 Tau lepton mixing with charginos and its effects on chargino searches at e(+)e(-) colliders Physics Letters B 441 1-4 224 234
http://dx.doi.org/10.1016/S0370-2693(98)01191-5
distribuït sota llicència Creative Commons de Reconeixement-NoComercial 3.0 No adaptada

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