Momentum distribution of the electron pair from the charged lepton flavor violating process μ − e − → e − e − in muonic atoms with a polarized muon
The μ−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 anal...
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| Veröffentlicht in: | Physical review. D 2019-10, Vol.100 (7), p.075012-1, Article 075012 |
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| container_title | Physical review. D |
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| creator | Kuno, Yoshitaka Sato, Joe Sato, Toru Uesaka, Yuichi Yamanaka, Masato |
| description | The μ−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. |
| doi_str_mv | 10.1103/PhysRevD.100.075012 |
| format | Article |
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D</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kuno, Yoshitaka</au><au>Sato, Joe</au><au>Sato, Toru</au><au>Uesaka, Yuichi</au><au>Yamanaka, Masato</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Momentum distribution of the electron pair from the charged lepton flavor violating process μ − e − → e − e − in muonic atoms with a polarized muon</atitle><jtitle>Physical review. D</jtitle><date>2019-10-11</date><risdate>2019</risdate><volume>100</volume><issue>7</issue><spage>075012-1</spage><pages>075012-1-</pages><artnum>075012</artnum><issn>2470-0010</issn><eissn>2470-0029</eissn><abstract>The μ−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. 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| subjects | Angular distribution Atomic properties Charge distribution Decay rate Dependence Electrons Flavor (particle physics) Leptons Muons Parameter sensitivity Photonics Skewed distributions Standard model (particle physics) Wave functions |
| title | Momentum distribution of the electron pair from the charged lepton flavor violating process μ − e − → e − e − in muonic atoms with a polarized muon |
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