Measuring Trilinear Higgs Couplings in the MSSM

1999/02/08 by P. Osland, Osland, P., P. N. Pandita +1
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #hep-ph

paper · pdf · doi:10.48550/arxiv.hep-ph/9902270

12 pages, LaTeX, including figures, uses epsf. Presented at VIIIth UNESCO St. Petersburg International School of Physics, May 25 - June 4, 1998. To be published in the Proceedings

arxiv created 1999/02/08 · arxiv updated 2009/11/30

Abstract

Trilinear couplings of the neutral CP-even Higgs bosons in the Minimal Supersymmetric Standard Model (MSSM) can be measured through the multiple production of the lightest CP-even Higgs boson (h) at high-energy e⁺e^- colliders. This includes the production of the heavier CP-even Higgs boson (H) via e⁺e^- → ZH, in association with the CP-odd Higgs boson (A) in e⁺e^- → AH, or via e⁺e^- → ν_e ν_e H, with H subsequently decaying through H → hh. These processes can enable one to measure the trilinear Higgs couplings λ_Hhh and λ_hhh, which can be used to theoretically reconstruct the Higgs potential. We delineate the regions of the MSSM parameter space in which these trilinear Higgs couplings could be measured.

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