Vacuum Cherenkov Radiation for Nonminimal Isotropic Lorentz Violation
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arXiv
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| Format: | Preprint |
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2026
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| author | Petrov, Albert Yu. Schreck, Marco Vieira, Alexandre R. |
| author_facet | Petrov, Albert Yu. Schreck, Marco Vieira, Alexandre R. |
| contents | In this work, we study the effects of vacuum Cherenkov radiation caused by nonminimal dimension-5 Lorentz-violating (LV) operators in the fermion sector. Explicitly, we focus on two independent isotropic pieces of each set of nonminimal coefficients. Under the assumption that vacuum Cherenkov radiation is an expected phenomenon, experimental data of ultra-high-energy cosmic rays (UHECRs) allow us to put stringent bounds on isotropic coefficients in quarks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_05679 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Vacuum Cherenkov Radiation for Nonminimal Isotropic Lorentz Violation Petrov, Albert Yu. Schreck, Marco Vieira, Alexandre R. High Energy Physics - Phenomenology High Energy Physics - Theory In this work, we study the effects of vacuum Cherenkov radiation caused by nonminimal dimension-5 Lorentz-violating (LV) operators in the fermion sector. Explicitly, we focus on two independent isotropic pieces of each set of nonminimal coefficients. Under the assumption that vacuum Cherenkov radiation is an expected phenomenon, experimental data of ultra-high-energy cosmic rays (UHECRs) allow us to put stringent bounds on isotropic coefficients in quarks. |
| title | Vacuum Cherenkov Radiation for Nonminimal Isotropic Lorentz Violation |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2603.05679 |