The light Higgsino-gaugino window

被引:31
作者
Feng, FL
Polonsky, N
Thomas, S
机构
[1] UNIV CALIF BERKELEY, DEPT PHYS, BERKELEY, CA 94720 USA
[2] UNIV MUNICH, SEKT PHYS, LEHRSTUHL PROF WESS, D-80333 MUNICH, GERMANY
[3] STANFORD UNIV, STANFORD LINEAR ACCELERATOR CTR, STANFORD, CA 94309 USA
[4] UNIV CALIF SANTA BARBARA, INST THEORET PHYS, SANTA BARBARA, CA 93106 USA
基金
美国国家科学基金会;
关键词
D O I
10.1016/0370-2693(95)01544-2
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Supersymmetric models are typically taken to have mu parameter and all soft supersymmetry breaking parameters at or near the weak scale. We point out that a small window of allowed values exists in which mu and the electroweak gaugino masses are in the few GeV range. Such models naturally solve the supersymmetry CP problem, can reduce the discrepancy in R(b). and suppress proton decay. In this window two neutralinos are in the few GeV range, two are roughly degenerate with the Z(0), and both charginos are roughly degenerate with the W-+/- bosons. Such a signature cannot escape detection at LEP II. Models that fall in this window automatically arise from renormalizable hidden sectors in which hidden sector singlets participate only radiatively in supersymmetry breaking.
引用
收藏
页码:95 / 105
页数:11
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