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

V. Barger·M. S. Berger·R. J. N. Phillips
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Abstract

The observation that the $b \rightarrow sγ$ 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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V. Barger, M. S. Berger, R. J. N. Phillips. 1992-11-17. Implications of $b\rightarrow sγ$ decay measurements in testing the MSSM Higgs sector. https://doi.org/10.1103/physrevlett.70.1368

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