Measurement of tan beta in associated t H^\pm Production in gamma gamma Collisions

Details Measurement of tan beta in associated t H^\pm Production in gamma gamma Collisions Measurement of tan beta in associated t H^\pm Production in gamma gamma Collisions

2003-06-13

arxiv.org/abs/hep-ph/0306126v1

Phys.Rev.D68:053001,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 11 figures, uses REVTEX4

Scientific paper

10.1103/PhysRevD.68.053001

The ratio of neutral Higgs field vacuum expectation values, tan beta, is one of the most important parameters to determine in type-II Two-Higgs Doublet Models (2HDM), specifically the Minimal Supersymmetric Standard Model (MSSM). Assuming the energies and integrated luminosity of a future high energy e^+e^- linear collider of sqrt{s}=500, 800, 1000, and 1500 GeV and L=1 ab^{-1} we show that associated t H^+/- production in gamma gamma collisions can be used to make an accurate determination of tan beta for low and high tan beta by precision measurements of the gamma gamma -> H^+/- t + X cross section.

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