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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2603.01636 |
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| _version_ | 1866910186843668480 |
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| author | Price, Will Formanek, Martin S. Rafelski, Johann |
| author_facet | Price, Will Formanek, Martin S. Rafelski, Johann |
| contents | We derive the covariant generalization of the Frank-Tamm formula describing the Cherenkov radiation by a charged particle moving uniformly with a speed faster than the local speed of light within a homogeneous dielectric medium. We use our result to derive the covariant Cherenkov radiation reaction force and obtain a four-force explicitly orthogonal to particle four-velocity consistent with a relativistic friction force. We present the photon emission spectrum that is dependent primarily on the dielectric properties of the medium. We hint at a possible use of this work to interpret an excess of soft photons seen in relativistic hadron collisions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_01636 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Covariant Cherenkov Radiation and its Friction Force Price, Will Formanek, Martin S. Rafelski, Johann High Energy Physics - Phenomenology We derive the covariant generalization of the Frank-Tamm formula describing the Cherenkov radiation by a charged particle moving uniformly with a speed faster than the local speed of light within a homogeneous dielectric medium. We use our result to derive the covariant Cherenkov radiation reaction force and obtain a four-force explicitly orthogonal to particle four-velocity consistent with a relativistic friction force. We present the photon emission spectrum that is dependent primarily on the dielectric properties of the medium. We hint at a possible use of this work to interpret an excess of soft photons seen in relativistic hadron collisions. |
| title | Covariant Cherenkov Radiation and its Friction Force |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2603.01636 |