Implications of $b\rightarrow sγ$ decay measurements in testing the MSSM Higgs sector

Details Implications of $b\rightarrow sγ$ decay measurements in testing the MSSM Higgs sector Implications of $b\rightarrow sγ$ decay measurements in testing the MSSM Higgs sector

1992-11-17

arxiv.org/abs/hep-ph/9211260v1

Phys.Rev.Lett.70:1368-1371,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages + 3 PS figures not included (available upon request), MAD/PH/730

Scientific paper

10.1103/PhysRevLett.70.1368

The observation that the $b \rightarrow s\gamma $ decay rate is close to the Standard Model value implies a large mass for the charged-Higgs boson in the Minimum Supersymmetric Standard Model, that nearly closes the $t \rightarrow b H^+$ decay channel. For $m_t = 150$ GeV, the parameter region $m_A \ltap 130$ GeV is excluded; this largely pre-empts LEP II searches and also partially excludes a region that would be inaccessible to MSSM Higgs boson searches both at LEP II and at SSC/LHC.

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