First Results from Axion Haloscope at CAPP around $10 μeV$

Ohjoon Kwon, Doyu Lee, Woohyun Chung, Danho Ahn, HeeSu Byun, Fritz Caspers, Hyoungsoon Choi, Jihoon Choi, Yonuk Chung, Hoyong Jeong, Junu Jeong, Jihn E Kim, Jinsu Kim, Çağlar Kutlu, Jihnhwan Lee, MyeongJae Lee, Andrei Matlashov, Soohyung Lee, Seonjeong Oh, Seongtae Park, Sergey Uchaikin, SungWoo Youn, Yannis K. Semertzidis

Published 2020-12-19Version 1

We present the first results on the axion dark matter search in the axion mass range 10.13-11.17$\mu$eV at the Center for Axion and Precision Physics Research, Daejeon, Korea. The sensitivity is about 9 times larger than the Kim-Shifman-Vainstein-Zakharov coupling at 90$\%$ confidence level.