Impact of CP phases on the search for sleptons tau and nu_tau

Details Impact of CP phases on the search for sleptons tau and nu_tau Impact of CP phases on the search for sleptons tau and nu_tau

2002-04-05

arxiv.org/abs/hep-ph/0204071v1

Phys.Lett. B538 (2002) 137-145

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 5 figures, LaTeX2e

Scientific paper

We study the decays of the tau-sleptons (stau_{1,2}) and tau-sneutrino (snu_tau) in the Minimal Supersymmetric Standard Model (MSSM) with complex parameters A_tau, mu and M_1 (U(1) gaugino mass). We show that the effect of the CP phases of these parameters on the branching ratios of stau_{1,2} and snu_tau decays can be quite strong in a large region of the MSSM parameter space. This could have an important impact on the search for stau_{1,2} and snu_tau and the determination of the MSSM parameters at future colliders.

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