Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-05-26
Phys.Rev. D68 (2003) 016004
Physics
High Energy Physics
High Energy Physics - Phenomenology
Latex, 26 pages, 8 figures, accepted for publication in Phys. Rev. D
Scientific paper
10.1103/PhysRevD.68.016004
We investigate the muon anomalous magnetic dipole moment (MDM), the muon electric dipole moment (EDM) and the lepton-flavour-violating decays of the $\tau-$lepton, $\tau \to \mu \gamma$ and $\tau\to 3\mu$, in the CP-violating Minimal Supersymmetric Standard Model (MSSM) with nonuniversal soft-supersymmetry breaking. We evaluate numerically the muon EDM and the branching ratios $B(\tau \to \mu\gamma)$ and $B(\tau \to 3\mu)$, after taking into account the experimental constraints from the electron EDM and muon MDM. Upon imposition of the experimental limits on our theoretical predictions for the aforementioned branching ratios and the muon MDM, we obtain an upper bound of about $10^{-23} e\cdot cm$ on the muon EDM which lies well within the explorable reach of the proposed experiment at BNL.
Feng Tai-fu
Huang Tao
Li Xue-Qian
Zhang Xin-Min
Zhao Shu-Min
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