Search for the Sagittarius tidal stream of axion dark matter around 4.55 eV

Andrew K. Yi,Saebyeok Ahn,Caglar Kutlu,Jinmyeong Kim,Byeong Rok Ko,Boris I. Ivanov,Heesu Byun, Arjan F. van Loo,Seongtae Park,Junu Jeong,Ohjoon Kwon,Yasunobu Nakamura, Sergey V. Uchaikin,Jihoon Choi,Soohyung Lee, Myeongjae Lee, Yun Chang Shin,Jinsu Kim,Doyu Lee,Danho Ahn,Sungjae Bae,Jiwon Lee,Younggeun Kim,Violeta Gkika, Ki Woong Lee,Seonjeong Oh,Taehyeon Seong,Dongmin Kim,Woohyun Chung, Andrei Matlashov,Sungwoo Youn,Yannis K. Semertzidis

PHYSICAL REVIEW D（2023）

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摘要

We report the first search for the Sagittarius tidal stream of axion dark matter around 4.55 mu eV using CAPP-12 TB haloscope data acquired in March of 2022. Our result excluded the Sagittarius tidal stream of Dine-Fischler-Srednicki-Zhitnitskii and Kim-Shifman-Vainshtein-Zakharov axion dark matter densities of rho a greater than or similar to 0.184 and greater than or similar to 0.025 GeV/cm3, respectively, over a mass range from 4.51 to 4.59 mu eV at a 90% confidence level.

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