期刊
PHYSICAL REVIEW D
卷 100, 期 7, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.100.075012
关键词
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资金
- JSPS KAKENHI [18H01210, JP18H05543, 18H05543a, 16K05354, 19H05104, 18H05231, 16K17693]
- Japan Science Society
- Grants-in-Aid for Scientific Research [18H01210, 18H05231, 16K05354, 16K17693, 19H05104] Funding Source: KAKEN
The ire mu(-)e(-) -> e(-)e(-) process in a muonic atom is one of the promising probes to study the charged lepton flavor violation (CLFV). We have investigated the angular distribution of electrons from the polarized muon of the atomic bound state. The parity violating asymmetric distribution of electrons is analyzed by using lepton wave functions under the Coulomb interaction of a finite nuclear charge distribution. It is found that the asymmetry parameters of electrons are very sensitive to the chiral structure of the CLFV interaction and the contact/photonic interaction. Therefore, together with the atomic number dependence of the decay rate studied in our previous work, the angular distribution of electrons from a polarized muon should be a very useful tool to constrain the model beyond the standard model.
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