Two-Loop Effective Potential Calculation of the Lightest CP-Even Higgs-Boson Mass in the MSSM

Details Two-Loop Effective Potential Calculation of the Lightest CP-Even Higgs-Boson Mass in the MSSM Two-Loop Effective Potential Calculation of the Lightest CP-Even Higgs-Boson Mass in the MSSM

1998-08-11

arxiv.org/abs/hep-ph/9808299v3

Phys.Lett. B447 (1999) 89-97

Physics

High Energy Physics

High Energy Physics - Phenomenology

version to appear in PLB

Scientific paper

10.1016/S0370-2693(98)01575-5

We calculate a two-loop effective potential to the order of {\cal O}(\lambda_t^2\alpha_s) in the MSSM. We then study the corresponding two-loop corrections to the CP-even Higgs-boson mass for arbitrary \tan\beta and left-right top-squark mixings. We find that the lightest Higgs-boson mass is changed by at most a few GeV. We also show the improved scale dependence and compare to previous two-loop analyses.

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