Associated production of a light Higgs boson and a chargino pair in the MSSM at linear colliders

Details Associated production of a light Higgs boson and a chargino pair in the MSSM at linear colliders Associated production of a light Higgs boson and a chargino pair in the MSSM at linear colliders

2004-06-23

arxiv.org/abs/hep-ph/0406256v3

Eur.Phys.J.C42:425-436,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

26 pages, 9 figures; figure misplacement fixed; to appear in Eur.Phys.J.C

Scientific paper

10.1140/epjc/s2005-02337-3

In the Minimal Supersymmetric Standard Model (MSSM), we study the light Higgs-boson radiation off a light-chargino pair in the process e+e- -> h chi^+ chi^- at linear colliders with \sqs=500 GeV. We analyze cross sections in the regions of the MSSM parameter space where the process can not proceed via on-shell production and subsequent decay of either heavier charginos or the pseudoscalar Higgs boson A. Cross sections up to a few fb's are allowed, according to present experimental limits on the Higgs-boson, chargino and sneutrino masses. We also show how a measurement of the process production rate could provide a determination of the Higgs-boson couplings to charginos.

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