Cavity as Radio Telescope for Galactic Dark Photon
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arXiv
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| Format: | Preprint |
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2024
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| author | Zeng, Yanjie Liu, Yuxin Li, Chunlong Liu, Yuxiang Wang, Bo Tang, Zhenxing Yang, Yuting Feng, Liwen Sha, Peng Mi, Zhenghui Pan, Weimin Zhang, Tianzong Ji, Zhongqing Jin, Yirong Hao, Jiankui Lin, Lin Wang, Fang Xie, Huamu Huang, Senlin Chen, Yifan Shu, Jing |
| author_facet | Zeng, Yanjie Liu, Yuxin Li, Chunlong Liu, Yuxiang Wang, Bo Tang, Zhenxing Yang, Yuting Feng, Liwen Sha, Peng Mi, Zhenghui Pan, Weimin Zhang, Tianzong Ji, Zhongqing Jin, Yirong Hao, Jiankui Lin, Lin Wang, Fang Xie, Huamu Huang, Senlin Chen, Yifan Shu, Jing |
| contents | Dark photons, as a minimal extension of the Standard Model through an additional Abelian gauge group, may propagate relativistically across the galaxy, originating from dark matter decay or annihilation, thereby contributing to a galactic dark photon background. The generation of dark photons typically favors certain polarization modes, which are dependent on the interactions between dark matter and dark photons. We introduce a framework in which a resonant cavity is utilized to detect and differentiate these polarizations, leveraging the daily variation in expected signals due to the anisotropic distribution of dark photons and the rotation of the Earth. We conduct an experimental search using superconducting radio-frequency cavities, noted for their exceptionally high quality factors, proving them to be effective telescopes for observing galactic dark photons. This approach establishes the most stringent limits yet on the kinetic mixing coefficient between dark photons and electromagnetic photons, thereby unveiling a novel avenue for the indirect search for dark matter via multi-messenger astronomy. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_03432 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Cavity as Radio Telescope for Galactic Dark Photon Zeng, Yanjie Liu, Yuxin Li, Chunlong Liu, Yuxiang Wang, Bo Tang, Zhenxing Yang, Yuting Feng, Liwen Sha, Peng Mi, Zhenghui Pan, Weimin Zhang, Tianzong Ji, Zhongqing Jin, Yirong Hao, Jiankui Lin, Lin Wang, Fang Xie, Huamu Huang, Senlin Chen, Yifan Shu, Jing High Energy Physics - Phenomenology High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology High Energy Physics - Experiment Accelerator Physics Dark photons, as a minimal extension of the Standard Model through an additional Abelian gauge group, may propagate relativistically across the galaxy, originating from dark matter decay or annihilation, thereby contributing to a galactic dark photon background. The generation of dark photons typically favors certain polarization modes, which are dependent on the interactions between dark matter and dark photons. We introduce a framework in which a resonant cavity is utilized to detect and differentiate these polarizations, leveraging the daily variation in expected signals due to the anisotropic distribution of dark photons and the rotation of the Earth. We conduct an experimental search using superconducting radio-frequency cavities, noted for their exceptionally high quality factors, proving them to be effective telescopes for observing galactic dark photons. This approach establishes the most stringent limits yet on the kinetic mixing coefficient between dark photons and electromagnetic photons, thereby unveiling a novel avenue for the indirect search for dark matter via multi-messenger astronomy. |
| title | Cavity as Radio Telescope for Galactic Dark Photon |
| topic | High Energy Physics - Phenomenology High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology High Energy Physics - Experiment Accelerator Physics |
| url | https://arxiv.org/abs/2402.03432 |