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29 March 2024
 
  » arxiv » hep-ph/0203110

 Article overview


Detailed calculation of lepton flavor violating muon-electron conversion rate for various nuclei
Ryuichiro Kitano ; Masafumi Koike ; Yasuhiro Okada ;
Date 13 Mar 2002
Journal Phys.Rev. D66 (2002) 096002
Subject hep-ph
AbstractThe coherent muon-electron conversion rates in various nuclei are calculated for general lepton flavor violating interactions. We solve the Dirac equations numerically for the initial state muon and the final state electron in the Coulomb force, and perform the overlap integrals between the wave functions and the nucleon densities. The results indicate that the conversion branching ratio increases for a light nucleus up to the atomic number Z ~ 30, is largest for Z = 30 -- 60, and becomes smaller for a heavy nucleus with Z > (~ 60). We also discuss the uncertainty from the input proton and neutron densities. The atomic number dependence of the conversion ratio calculated here is useful to distinguish theoretical models with lepton flavor violation.
Source arXiv, hep-ph/0203110
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