Muon anomalous magnetic moment and lepton flavor violation in MSSM

被引:3
|
作者
Bi, XJ [1 ]
Kuang, YP [1 ]
An, YH [1 ]
机构
[1] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
来源
EUROPEAN PHYSICAL JOURNAL C | 2003年 / 30卷 / 03期
关键词
D O I
10.1140/epjc/s2003-01299-8
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We give a thorough analysis of the correlation between the muon anomalous magnetic moment and the radiative lepton flavor violating (LFV) processes within the minimal supersymmetric standard model. We find that in the case when the slepton mass eigenstates are nearly degenerate, deltaa(mu), coming from SUSY contributions, hardly depends on the lepton flavor mixing and, thus, there is no direct relation between deltaa(mu) and the LFV processes. On the contrary, if the first two generations' sleptons are much heavier than the third one, i.e., in the effective SUSY scenario, the two quantities are closely related. In the latter scenario, the SUSY parameter space to account for the experimental deltaa(mu) is quite different from the case of no lepton flavor mixing. Especially, the Higgsino mass parameter mu can be either positive or negative.
引用
收藏
页码:409 / 418
页数:10
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