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| Main Author: | |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2508.14885 |
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| _version_ | 1866912545784201216 |
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| author | Yin, Wen |
| author_facet | Yin, Wen |
| contents | I propose a novel laboratory search for dark photons based on radiation-safety monitoring at synchrotron radiation facilities, including NanoTerasu, SPring-8, KEK-PF, and ESRF. Dark photons can be produced parasitically in undulators or via photon-mirror interactions, and subsequently traverse optical systems and shielding. Taking into account quantum effects and the internal structure of undulators, mirrors, and detectors, I show that even a simple Geiger-Müller counter, routinely used for radiation-safety monitoring, can detect such dark photons outside the shielding and set competitive limits on the kinetic mixing parameter down to $χ\lesssim 5\times 10^{-6}$ in the eV mass range, providing some of the strongest bounds among laboratory searches. Because radiation safety is strictly regulated, the resulting limits can be regarded as robust and realistic constraints. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_14885 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Novel Limits on Dark Photon Mixing from Radiation Safety Yin, Wen High Energy Physics - Phenomenology High Energy Physics - Experiment Instrumentation and Detectors I propose a novel laboratory search for dark photons based on radiation-safety monitoring at synchrotron radiation facilities, including NanoTerasu, SPring-8, KEK-PF, and ESRF. Dark photons can be produced parasitically in undulators or via photon-mirror interactions, and subsequently traverse optical systems and shielding. Taking into account quantum effects and the internal structure of undulators, mirrors, and detectors, I show that even a simple Geiger-Müller counter, routinely used for radiation-safety monitoring, can detect such dark photons outside the shielding and set competitive limits on the kinetic mixing parameter down to $χ\lesssim 5\times 10^{-6}$ in the eV mass range, providing some of the strongest bounds among laboratory searches. Because radiation safety is strictly regulated, the resulting limits can be regarded as robust and realistic constraints. |
| title | Novel Limits on Dark Photon Mixing from Radiation Safety |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment Instrumentation and Detectors |
| url | https://arxiv.org/abs/2508.14885 |