Improved Dark Photon Sensitivity from the Dark SRF Experiment
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arXiv
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| Format: | Preprint |
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2025
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| author | Kalia, Saarik Liu, Zhen Giaccone, Bianca Melnychuk, Oleksandr Pilipenko, Roman Berlin, Asher Hook, Anson Belomestnykh, Sergey Contreras-Martinez, Crispin Frolov, Daniil Khabiboulline, Timergali Pischalnikov, Yuriy Posen, Sam Pronitchev, Oleg Yakovlev, Vyacheslav Grassellino, Anna Harnik, Roni Romanenko, Alexander |
| author_facet | Kalia, Saarik Liu, Zhen Giaccone, Bianca Melnychuk, Oleksandr Pilipenko, Roman Berlin, Asher Hook, Anson Belomestnykh, Sergey Contreras-Martinez, Crispin Frolov, Daniil Khabiboulline, Timergali Pischalnikov, Yuriy Posen, Sam Pronitchev, Oleg Yakovlev, Vyacheslav Grassellino, Anna Harnik, Roni Romanenko, Alexander |
| contents | We report the refined dark-photon exclusion bound from Dark SRF's pathfinder run. Our new result is driven by improved theoretical modeling of frequency instability in high-quality resonant experiments. Our analysis leads to a constraint that is an order of magnitude stronger than previously reported (corresponding to a signal-to-noise ratio that is four orders of magnitude larger). This result represents the world-leading constraint on non-dark-matter dark photons over a wide range of masses below $6\,\rm μeV$ and translates to the best laboratory-based limit on the photon mass $m_γ<2.9\times 10^{-48}\,\rm g$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_02427 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Improved Dark Photon Sensitivity from the Dark SRF Experiment Kalia, Saarik Liu, Zhen Giaccone, Bianca Melnychuk, Oleksandr Pilipenko, Roman Berlin, Asher Hook, Anson Belomestnykh, Sergey Contreras-Martinez, Crispin Frolov, Daniil Khabiboulline, Timergali Pischalnikov, Yuriy Posen, Sam Pronitchev, Oleg Yakovlev, Vyacheslav Grassellino, Anna Harnik, Roni Romanenko, Alexander High Energy Physics - Experiment High Energy Physics - Phenomenology We report the refined dark-photon exclusion bound from Dark SRF's pathfinder run. Our new result is driven by improved theoretical modeling of frequency instability in high-quality resonant experiments. Our analysis leads to a constraint that is an order of magnitude stronger than previously reported (corresponding to a signal-to-noise ratio that is four orders of magnitude larger). This result represents the world-leading constraint on non-dark-matter dark photons over a wide range of masses below $6\,\rm μeV$ and translates to the best laboratory-based limit on the photon mass $m_γ<2.9\times 10^{-48}\,\rm g$. |
| title | Improved Dark Photon Sensitivity from the Dark SRF Experiment |
| topic | High Energy Physics - Experiment High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2510.02427 |