Fermion polarization in sfermion decays as a probe of CP phases in the MSSM

Details Fermion polarization in sfermion decays as a probe of CP phases in the MSSM Fermion polarization in sfermion decays as a probe of CP phases in the MSSM

2004-05-18

arxiv.org/abs/hep-ph/0405167v3

JHEP0409:051,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages,8 figures, LaTeX, References added Vesion to appear in JHEP. A discussion on two loop contribution to the dipole mome

Scientific paper

10.1088/1126-6708/2004/09/051

The longitudinal polarization of fermions (tops and taus) produced in sfermion decays to neutralinos or charginos can be a useful tool for the determination of SUSY parameters. We discuss this fermion polarization in the context of the MSSM with complex parameters. We show that the dependence on CP-violating phases can be large and that the fermion polarization may hence be used as a sensitive probe of CP phases in the MSSM.

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