Polarisation in Sfermion Decays: Determining \tanβand Trilinear Couplings

Details Polarisation in Sfermion Decays: Determining \tanβand Trilinear Couplings Polarisation in Sfermion Decays: Determining \tanβand Trilinear Couplings

2003-03-13

arxiv.org/abs/hep-ph/0303110v1

Eur.Phys.J.C30:395-407,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 11 eps figures

Scientific paper

10.1140/epjc/s2003-01288-y

The basic parameters of supersymmetric theories can be determined at future e^+e^- linear colliders with high precision. We investigate in this report how polarisation measurements in \tilde{\tau} and \tilde{t} or \tilde{b} decays to \tau leptons and t quarks plus neutralinos or charginos can be used to measure \tan\beta (in particular for large values) and to determine the trilinear couplings A_{\tau}, A_t and A_b in sfermion pair production.

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