IMPLICATIONS OF B-]S-GAMMA DECAY MEASUREMENTS IN TESTING THE HIGGS SECTOR OF THE MINIMUM SUPERSYMMETRIC STANDARD MODEL

被引:125
|
作者
BARGER, V [1 ]
BERGER, MS [1 ]
PHILLIPS, RJN [1 ]
机构
[1] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND
关键词
D O I
10.1103/PhysRevLett.70.1368
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The observation that the b --> sgamma 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 t --> bH+ decay channel. For m(t) = 150 GeV, the parameter region m(A) less-than-or-similar-to 130 GeV is excluded; this largely preempts searches at the CERN e+e- 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.
引用
收藏
页码:1368 / 1371
页数:4
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