Supersymmetric Heavy Higgses at e^+e^- Linear Collider and Dark-Matter Physics

Details Supersymmetric Heavy Higgses at e^+e^- Linear Collider and Dark-Matter Physics Supersymmetric Heavy Higgses at e^+e^- Linear Collider and Dark-Matter Physics

2005-09-20

arxiv.org/abs/hep-ph/0509196v2

Phys.Rev. D72 (2005) 115012

Physics

High Energy Physics

High Energy Physics - Phenomenology

28 pages, 13 figures, version to appear in PRD

Scientific paper

10.1103/PhysRevD.72.115012

We consider the capability of the e^+e^- linear collider (which is recently called as the International Linear Collider, or ILC) for studying the properties of the heavy Higgs bosons in the supersymmetric standard model. We pay special attention to the large \tan\beta region which is motivated, in particular, by explaining the dark-matter density of the universe (i.e., so-called ``rapid-annihilation funnels''). We perform a systematic analysis to estimate expected uncertainties in the masses and widths of the heavy Higgs bosons assuming an energy and integrated luminosity of \sqrt{s}=1 TeV and L=1 ab^{-1}. We also discuss its implication to the reconstruction of the dark-matter density of the universe.

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