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High Energy Physics - Phenomenology

arXiv:hep-ph/0407108 (hep-ph)
[Submitted on 9 Jul 2004]

Title:Higgs-boson coupling to charginos in the MSSM at linear colliders

Authors:Giancarlo Ferrera, Barbara Mele
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Abstract: We discuss the associated production of a light Higgs boson and a light chargino pair in the process e+e- -> h chi+ chi- in the Minimal
Supersymmetric Standard Model (MSSM) at linear colliders (LC) with
\sqrt s=500 GeV. This process gives direct informations about the Higgs-boson coupling to light charginos, that cannot be analyzed in decay processes due to phase-space restrictions. We compute total cross sections in the regions of the MSSM parameter space where the process cannot proceed via on-shell production and subsequent decay of either heavier charginos or pseudoscalar Higgs bosons A. Cross sections up to a few 0.1 fb are allowed, making this process potentially detectable at high-luminosity linear colliders. We also compute analytically the final h momentum distributions in the limit of very heavy electron-sneutrino masses.
Comments: 9 pages, 6 figures, Proceedings, IFAE Conference, Torino, April 14-16,2004
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:hep-ph/0407108
  (or arXiv:hep-ph/0407108v1 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0407108

Submission history

From: Barbara Mele [view email]
[v1] Fri, 9 Jul 2004 09:12:30 UTC (112 KB)
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