Lepton flavor violating leptonic and semileptonic decays of charged leptons in the minimal supersymmetric standard model

被引：29
|
作者：
Fukuyama, T. [1 ]
Ilakovac, A. [2 ]
Kikuchi, T. [3 ,4 ]
机构：
[1] Ritsumeikan Univ, Dept Phys, Shiga 5258577, Japan
[2] Univ Zagreb, Dept Phys, Zagreb 10002, Croatia
[3] KEK, Div Theory, Tsukuba 3050801, Japan
[4] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA
来源：
EUROPEAN PHYSICAL JOURNAL C | 2008年 / 56卷 / 01期
关键词：
D O I：
10.1140/epjc/s10052-008-0625-3
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 consider the leptonic and semileptonic (SL) lepton-flavor violating (LFV) decays of the charged leptons in the minimal supersymmetric standard model (MSSM) with right-handed neutrinos. The parameters of the MSSM model are determined in the framework of the minimal supersymmetric SO(10) GUT model assuming the minimal supergravity model of supersymmetry breaking. The free parameters of the model are constrained adopting the WMAP cold dark matter constraint and adjusting the neutrino oscillation data. So constrained, the SO(10) GUT model gives a definite prediction for the Dirac-neutrino Yukawa matrix, which induces all LFV effects in the MSSM model through renormalization group equations of soft SUSY breaking parameters. A very detailed numerical analysis has been made to de. ne numerically all MSSM parameters necessary for the evaluation of the LFV amplitudes. The basic LFV amplitudes in MSSM were rederived and improved. The formalism for the evaluation of all SL LFV amplitudes is given. Numerical results for dominant SL LFV branching ratios, the anomalous magnetic moment of the muon and the l -> l'gamma branching ratios are given.
引用
收藏
页码：125 / 146
页数：22
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