First Results from an Axion Haloscope at CAPP around 10.7 μ eV

First Results from an Axion Haloscope at CAPP around 10.7 μ eV

The Center for Axion and Precision Physics Research at the Institute for Basic Science is searching for axion dark matter using ultralow temperature microwave resonators. We report the exclusion of the axion mass range 10.7126–10.7186     μeV with near Kim-Shifman-Vainshtein-Zakharov (KSVZ) coupling...

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Veröffentlicht in:Physical review letters 2021-05, Vol.126 (19), p.1-191802, Article 191802
Hauptverfasser: Kwon, Ohjoon, Lee, Doyu, Chung, Woohyun, Ahn, Danho, Byun, HeeSu, Caspers, Fritz, Choi, Hyoungsoon, Choi, Jihoon, Chong, Yonuk, Jeong, Hoyong, Jeong, Junu, Kim, Jihn E., Kim, Jinsu, Kutlu, Çağlar, Lee, Jihnhwan, Lee, MyeongJae, Lee, Soohyung, Matlashov, Andrei, Oh, Seonjeong, Park, Seongtae, Uchaikin, Sergey, Youn, SungWoo, Semertzidis, Yannis K.
Format: Artikel
Sprache:eng
Schlagworte:
Confidence intervals
Coupling
Dark matter
Resonators
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Zusammenfassung:The Center for Axion and Precision Physics Research at the Institute for Basic Science is searching for axion dark matter using ultralow temperature microwave resonators. We report the exclusion of the axion mass range 10.7126–10.7186     μeV with near Kim-Shifman-Vainshtein-Zakharov (KSVZ) coupling sensitivity and the range 10.16–11.37     μeV with about 9 times larger coupling at 90% confidence level. This is the first axion search result in these ranges. It is also the first with a resonator physical temperature of less than 40 mK.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.126.191802