Flavor-changing Lorentz and CPT violation in muonic atoms
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866929670102974464 |
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| author | Kostelecky, Alan McNulty, W. P. Passemar, E. Sherrill, N. |
| author_facet | Kostelecky, Alan McNulty, W. P. Passemar, E. Sherrill, N. |
| contents | Flavor-changing signatures of Lorentz and CPT violation involving muon-electron conversions in muonic atoms are studied using effective field theory. Constraints on coefficients for Lorentz violation at parts in $10^{-12}$ GeV$^{-1}$ for flavor-changing electromagnetic muon decays and parts in $10^{-13}$ GeV$^{-2}$ for flavor-changing 4-point quark-lepton interactions are extracted using existing data from the SINDRUM II experiment at the Paul Scherrer Institute. Estimates are provided for sensitivities attainable in the forthcoming experiments Mu2e at Fermilab and COMET at the Japan Proton Accelerator Complex. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_05986 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Flavor-changing Lorentz and CPT violation in muonic atoms Kostelecky, Alan McNulty, W. P. Passemar, E. Sherrill, N. High Energy Physics - Phenomenology Flavor-changing signatures of Lorentz and CPT violation involving muon-electron conversions in muonic atoms are studied using effective field theory. Constraints on coefficients for Lorentz violation at parts in $10^{-12}$ GeV$^{-1}$ for flavor-changing electromagnetic muon decays and parts in $10^{-13}$ GeV$^{-2}$ for flavor-changing 4-point quark-lepton interactions are extracted using existing data from the SINDRUM II experiment at the Paul Scherrer Institute. Estimates are provided for sensitivities attainable in the forthcoming experiments Mu2e at Fermilab and COMET at the Japan Proton Accelerator Complex. |
| title | Flavor-changing Lorentz and CPT violation in muonic atoms |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2501.05986 |