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28 March 2024
 
  » arxiv » hep-ph/0205309

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Anomalous magnetic and electric moments of $ au$ and lepton flavor mixing matrix in effective lagrangian approach
J.Q. Zhang ; X.C. Song ; W.J. Huo ; T.F. Feng ;
Date 28 May 2002
Subject hep-ph
AffiliationPeking U.), W.J. Huo, and T.F. Feng (IHEP, AC
AbstractIn an effective lagrangian approach [EM97] to new physics, the authors in ref. [HL99] pushed tau anomalous magnetic and electric dipole moments (AMDM and EDM) down to $10^{-11}$ and $10^{-25} e cm$ by using a Fritzsch-Xing lepton mass matrix ansatz. In this note, we find that, in this approach, there exists the connection between $ au$ AMDM and EDM and the lepton flavor mixing matrix. By using the current neutrino oscillation experimental results, we investigate the parameter space of lepton mixing angles to $ au$ AMDM and EDM. We can obtain the same or smaller bounds of $delta a_ au$ and $d_ au$ acquired in ref. [HL99] and constrain $ heta_l$ (the mixing angle obtained by long-baseline neutrino oscillation experiments) from $ au$ AMDM and EDM.
Source arXiv, hep-ph/0205309
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