Fermionic decays of neutral MSSM Higgs bosons at the one-loop level

Details Fermionic decays of neutral MSSM Higgs bosons at the one-loop level Fermionic decays of neutral MSSM Higgs bosons at the one-loop level

1995-03-27

arxiv.org/abs/hep-ph/9503443v1

Nucl.Phys.B456:25-56,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

31 pages, 6 figures

Scientific paper

10.1016/0550-3213(95)00523-2

The results of a complete one-loop calculation for the fermionic decay width h^0, H^0, A^0 -> f bar(f) of the neutral MSSM Higgs bosons are presented and the dominant light Higgs decay channel h^0 -> b bar(b) is discussed in detail. The enhancement of the partial decay width h^0 -> b bar(b) compared to the standard Higgs decay is shown for pseudoscalar masses M_A < 300 GeV. Simpler approximation formulae for the Higgs decays are given and their quality is discussed by introducing an effective neutral scalar mixing angle sin(alpha)_eff. Finally the Higgs branching ratios in b bar(b), c bar(c), tau^+ tau^- are calculated.

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