Implications of [ital b][r arrow][ital s][gamma] decay measurements in testing the Higgs sector of the minimum supersymmetric standard model
Journal Article
·
· Physical Review Letters; (United States)
- Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706 (United States) Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX (United Kingdom)
The observation that the [ital b][r arrow][ital 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 (MSSM), which nearly closes the [ital t][r arrow][ital bH][sup +] decay channel. For [ital m][sub [ital t]]=150 GeV, the parameter region [ital m][sub [ital A]][approx lt]130 GeV is excluded; this largely preempts searches at the CERN [ital e][sup +][ital e[minus]] collider LEP II and also partially excludes a region that would be inaccessible to MSSM Higgs boson searches at LEP II and at the Superconducting Super Collider and the CERN Large Hadron Collider.
- DOE Contract Number:
- AC02-76ER00881
- OSTI ID:
- 6942830
- Journal Information:
- Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 70:10; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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