Determining $tan β$ from the SUSY Higgs Sector at Future e^+e^- Colliders

Details Determining $tan β$ from the SUSY Higgs Sector at Future e^+e^- Colliders Determining $tan β$ from the SUSY Higgs Sector at Future e^+e^- Colliders

1996-12-11

arxiv.org/abs/hep-ph/9612333v2

Phys.Rev. D56 (1997) 5962-5980

Physics

High Energy Physics

High Energy Physics - Phenomenology

46pp, ReVTeX, 21 figures

Scientific paper

10.1103/PhysRevD.56.5962

We examine the prospects for determining $tan \beta$ from heavy Higgs scalar production in the minimal supersymmetric standard model at a future $e^+ e^-$ collider. Our analysis is independent of assumptions of parameter unification, and we consider general radiative corrections in the Higgs sector. Bounds are presented for $\sqrt{s} = 500$ GeV and 1 TeV, several Higgs masses, a variety of integrated luminosities and b-tagging efficiencies, and in scenarios with and without supersymmetric decays of the Higgs bosons. We find stringent constraints for $3 \alt tan \beta \alt 10$, and, for some scenarios, also interesting bounds on high $tan \beta$ through $tbH^{\pm}$ production. These bounds imply that simple Yukawa unifications may be confirmed or excluded. Implications for soft scalar mass determination and top squark parameters are also discussed.

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