Dark Photon Bremsstrahlung and Ultra-High-Energy Cosmic Ray
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
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2023
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| _version_ | 1866914672836345856 |
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| author | Tantirangsri, Predee Samart, Daris Pongkitivanichkul, Chakrit |
| author_facet | Tantirangsri, Predee Samart, Daris Pongkitivanichkul, Chakrit |
| contents | A dark photon is a hypothetical particle that is similar to a photon with a small mass and interacts very weakly with ordinary matter through a kinetic mixing with the ordinary photon. In this paper, we propose a new way to probe the existence of dark photons through the Bremsstrahlung effect on ultra-high-energy cosmic rays (UHECRs). Using the standard soft photon calculation, we demonstrate that the dark photon Bremsstrahlung process could lead to significant energy loss for protons in the ultralight dark photon scenario, and that this effect could be tested against observational data of UHECRs. We also provide exclusion limits which can be compared with existing limits on ultralight dark photons. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2301_11122 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Dark Photon Bremsstrahlung and Ultra-High-Energy Cosmic Ray Tantirangsri, Predee Samart, Daris Pongkitivanichkul, Chakrit High Energy Physics - Phenomenology High Energy Astrophysical Phenomena A dark photon is a hypothetical particle that is similar to a photon with a small mass and interacts very weakly with ordinary matter through a kinetic mixing with the ordinary photon. In this paper, we propose a new way to probe the existence of dark photons through the Bremsstrahlung effect on ultra-high-energy cosmic rays (UHECRs). Using the standard soft photon calculation, we demonstrate that the dark photon Bremsstrahlung process could lead to significant energy loss for protons in the ultralight dark photon scenario, and that this effect could be tested against observational data of UHECRs. We also provide exclusion limits which can be compared with existing limits on ultralight dark photons. |
| title | Dark Photon Bremsstrahlung and Ultra-High-Energy Cosmic Ray |
| topic | High Energy Physics - Phenomenology High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2301.11122 |