CP-Violating MSSM Higgs Bosons in the Light of LEP 2

Details CP-Violating MSSM Higgs Bosons in the Light of LEP 2 CP-Violating MSSM Higgs Bosons in the Light of LEP 2

2000-09-18

arxiv.org/abs/hep-ph/0009212v1

Phys.Lett.B495:155-163,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, LaTeX, 4 encapsulated figures

Scientific paper

10.1016/S0370-2693(00)01215-6

In the MSSM, the CP parities of the neutral Higgs bosons may be mixed by radiative effects induced by explicit CP violation in the third generation of squarks. To allow for this possibility, we argue that the charged Higgs-boson mass and tan(beta) should be used to parametrize the MSSM Higgs sector. We introduce a new benchmark scenario of maximal CP violation appropriate for direct searches of CP-violating MSSM Higgs bosons. We show that the bounds established by LEP 2 on the MSSM Higgs sector may be substantially relaxed at low and intermediate values of tan(beta) in the presence of CP violation, and comment on possible Higgs boson signatures at LEP 2 within this framework.

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