Axion Dark Matter Search with Near-KSVZ Sensitivity Using the TM$_{020}$ Mode
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arXiv
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| Main Authors: | , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866918013347823616 |
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| author | Bae, Sungjae Jeong, Junu Kim, Younggeun Youn, SungWoo Kim, Jinsu van Loo, Arjan F. Nakamura, Yasunobu Oh, Seonjeong Seong, Taehyeon Uchaikin, Sergey Kim, Jihn E. Semertzidis, Yannis K. |
| author_facet | Bae, Sungjae Jeong, Junu Kim, Younggeun Youn, SungWoo Kim, Jinsu van Loo, Arjan F. Nakamura, Yasunobu Oh, Seonjeong Seong, Taehyeon Uchaikin, Sergey Kim, Jihn E. Semertzidis, Yannis K. |
| contents | Dark matter remains one of the most profound mysteries in modern physics, with axions, a hypothetical particle proposed to resolve the strong CP problem, standing as a compelling candidate. Among various experimental strategies, cavity haloscopes currently offer the most sensitive method to detect axions, though their searches have largely been confined to axion masses below 10 $μ$eV. However, recent theoretical developments suggest that the axion mass lies beyond this range. Higher-order cavity modes have been explored as a methodological approach to expand the search range, albeit with limited success in achieving both high sensitivity and broad tunability. In this work, we present a sensitive search for axions with masses around 21 $μ$eV, utilizing the TM$_{020}$ mode of a cylindrical cavity, which incorporated an innovative tuning mechanism. Our results reached 1.7 times the KSVZ sensitivity over 100 MHz, representing a significant improvement in this mass range and contributing to the experimental search for axion dark matter at higher masses. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_05095 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Axion Dark Matter Search with Near-KSVZ Sensitivity Using the TM$_{020}$ Mode Bae, Sungjae Jeong, Junu Kim, Younggeun Youn, SungWoo Kim, Jinsu van Loo, Arjan F. Nakamura, Yasunobu Oh, Seonjeong Seong, Taehyeon Uchaikin, Sergey Kim, Jihn E. Semertzidis, Yannis K. High Energy Physics - Experiment Dark matter remains one of the most profound mysteries in modern physics, with axions, a hypothetical particle proposed to resolve the strong CP problem, standing as a compelling candidate. Among various experimental strategies, cavity haloscopes currently offer the most sensitive method to detect axions, though their searches have largely been confined to axion masses below 10 $μ$eV. However, recent theoretical developments suggest that the axion mass lies beyond this range. Higher-order cavity modes have been explored as a methodological approach to expand the search range, albeit with limited success in achieving both high sensitivity and broad tunability. In this work, we present a sensitive search for axions with masses around 21 $μ$eV, utilizing the TM$_{020}$ mode of a cylindrical cavity, which incorporated an innovative tuning mechanism. Our results reached 1.7 times the KSVZ sensitivity over 100 MHz, representing a significant improvement in this mass range and contributing to the experimental search for axion dark matter at higher masses. |
| title | Axion Dark Matter Search with Near-KSVZ Sensitivity Using the TM$_{020}$ Mode |
| topic | High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2505.05095 |