Sensitivity study of the charged lepton flavor violating process $$\tau \rightarrow \gamma \mu $$ τ → γ μ at STCF
Abstract A sensitivity study for the search for the charged lepton flavor violating process $$\tau \rightarrow \gamma \mu $$ τ → γ μ at the Super $$\tau $$ τ -Charm Facility is performed with a fast simulation. With the expected performance of the current detector design and an integrated luminosity...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2023-10-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | https://doi.org/10.1140/epjc/s10052-023-12081-x |
| _version_ | 1797247099320926208 |
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| author | Teng Xiang Xiao-Dong Shi Da-Yong Wang Xiao-Rong Zhou |
| author_facet | Teng Xiang Xiao-Dong Shi Da-Yong Wang Xiao-Rong Zhou |
| author_sort | Teng Xiang |
| collection | DOAJ |
| description | Abstract A sensitivity study for the search for the charged lepton flavor violating process $$\tau \rightarrow \gamma \mu $$ τ → γ μ at the Super $$\tau $$ τ -Charm Facility is performed with a fast simulation. With the expected performance of the current detector design and an integrated luminosity of $$1\,\textrm{ab}^{-1}$$ 1 ab - 1 corresponding to one-year of data taking, the sensitivity on the branching fraction (BF) of $$\tau \rightarrow \gamma \mu $$ τ → γ μ is estimated to be at the level of $$10^{-8}$$ 10 - 8 . The sensitivity under different detector performances are also studied. With ideal performance, the BF could be probed to be $$2.8\,\times \,10^{-8}$$ 2.8 × 10 - 8 at 90% confidence level. The sensitivity is expected to scale with the square root of the luminosity, therefore with a total luminosity of $$10\,\hbox {ab}^{-1}$$ 10 ab - 1 corresponding to ten-year of data taking, the sensitivity could reach $$8.8\,\times 10^{-9}$$ 8.8 × 10 - 9 , which is about one order of magnitude improvement upon the current best upper limit. |
| first_indexed | 2024-03-11T18:21:32Z |
| format | Article |
| id | doaj.art-e0c6474860f940a9a7fc02d09b837da0 |
| institution | Directory Open Access Journal |
| issn | 1434-6052 |
| language | English |
| last_indexed | 2024-04-24T19:53:18Z |
| publishDate | 2023-10-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | European Physical Journal C: Particles and Fields |
| spelling | doaj.art-e0c6474860f940a9a7fc02d09b837da02024-03-24T12:30:51ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60522023-10-0183101810.1140/epjc/s10052-023-12081-xSensitivity study of the charged lepton flavor violating process $$\tau \rightarrow \gamma \mu $$ τ → γ μ at STCFTeng Xiang0Xiao-Dong Shi1Da-Yong Wang2Xiao-Rong Zhou3Peking UniversityUniversity of Science and Technology of ChinaPeking UniversityUniversity of Science and Technology of ChinaAbstract A sensitivity study for the search for the charged lepton flavor violating process $$\tau \rightarrow \gamma \mu $$ τ → γ μ at the Super $$\tau $$ τ -Charm Facility is performed with a fast simulation. With the expected performance of the current detector design and an integrated luminosity of $$1\,\textrm{ab}^{-1}$$ 1 ab - 1 corresponding to one-year of data taking, the sensitivity on the branching fraction (BF) of $$\tau \rightarrow \gamma \mu $$ τ → γ μ is estimated to be at the level of $$10^{-8}$$ 10 - 8 . The sensitivity under different detector performances are also studied. With ideal performance, the BF could be probed to be $$2.8\,\times \,10^{-8}$$ 2.8 × 10 - 8 at 90% confidence level. The sensitivity is expected to scale with the square root of the luminosity, therefore with a total luminosity of $$10\,\hbox {ab}^{-1}$$ 10 ab - 1 corresponding to ten-year of data taking, the sensitivity could reach $$8.8\,\times 10^{-9}$$ 8.8 × 10 - 9 , which is about one order of magnitude improvement upon the current best upper limit.https://doi.org/10.1140/epjc/s10052-023-12081-x |
| spellingShingle | Teng Xiang Xiao-Dong Shi Da-Yong Wang Xiao-Rong Zhou Sensitivity study of the charged lepton flavor violating process $$\tau \rightarrow \gamma \mu $$ τ → γ μ at STCF European Physical Journal C: Particles and Fields |
| title | Sensitivity study of the charged lepton flavor violating process $$\tau \rightarrow \gamma \mu $$ τ → γ μ at STCF |
| title_full | Sensitivity study of the charged lepton flavor violating process $$\tau \rightarrow \gamma \mu $$ τ → γ μ at STCF |
| title_fullStr | Sensitivity study of the charged lepton flavor violating process $$\tau \rightarrow \gamma \mu $$ τ → γ μ at STCF |
| title_full_unstemmed | Sensitivity study of the charged lepton flavor violating process $$\tau \rightarrow \gamma \mu $$ τ → γ μ at STCF |
| title_short | Sensitivity study of the charged lepton flavor violating process $$\tau \rightarrow \gamma \mu $$ τ → γ μ at STCF |
| title_sort | sensitivity study of the charged lepton flavor violating process tau rightarrow gamma mu τ γ μ at stcf |
| url | https://doi.org/10.1140/epjc/s10052-023-12081-x |
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