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arXiv · 2205.01477

Taiwan Axion Search Experiment with Haloscope: Designs and operations

Hsin Chang·Jing-Yang Chang·Yi-Chieh Chang·Yu-Han Chang·Yuan-Hann Chang·Chien-Han Chen·Ching-Fang Chen·Kuan-Yu Chen·Yung-Fu Chen·Wei-Yuan Chiang·Wei-Chen Chien·Hien Thi Doan·Wei-Cheng Hung·Watson Kuo·Shou-Bai Lai·Han-Wen Liu·Min-Wei OuYang·Ping-I Wu·Shin-Shan Yu
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Abstract

We report on a holoscope axion search experiment near $19.6\ {\rm \mu eV}$ from the TASEH collaboration. The experiment is carried out via a frequency-tunable cavity detector with a volume $V = 0.234\ {\rm liter}$ in a magnetic field $B_0 = 8\ {\rm T}$. With a signal receiver that has a system noise temperature $T_{\rm sys} \cong 2.2\ {\rm K}$ and experiment time about 1 month, the search excludes values of the axion-photon coupling constant $g_{\rm a\gamma\gamma} \gtrsim 8.1 \times 10^{-14} \ {\rm GeV}^{-1}$, a factor of 11 above the KSVZ model, at the 95\% confidence level in the mass range of $19.4687-19.8436\ {\rm \mu eV}$. We present the experimental setup and procedures to accomplish this search.

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Hsin Chang, Jing-Yang Chang, Yi-Chieh Chang, Yu-Han Chang, Yuan-Hann Chang, Chien-Han Chen, Ching-Fang Chen, Kuan-Yu Chen, Yung-Fu Chen, Wei-Yuan Chiang, Wei-Chen Chien, Hien Thi Doan, Wei-Cheng Hung, Watson Kuo, Shou-Bai Lai, Han-Wen Liu, Min-Wei OuYang, Ping-I Wu, Shin-Shan Yu. 2022-05-03. Taiwan Axion Search Experiment with Haloscope: Designs and operations. https://doi.org/10.1063/5.0098783

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