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

Research output: Contribution to journalArticlepeer-review

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Abstract

We report on a holoscope axion search experiment near 19.6 μeV from the Taiwan Axion Search Experiment with Haloscope collaboration. This experiment is carried out via a frequency-tunable cavity detector with a volume V = 0.234 liter in a magnetic field B0 = 8 T. With a signal receiver that has a system noise temperature Tsys ≅ 2.2 K and an experiment time of about one month, the search excludes values of the axion-photon coupling constant gaγγ ≳ 8.1 × 10-14 GeV-1, a factor of 11 above the Kim-Shifman-Vainshtein-Zakharov benchmark model, at the 95% confidence level in the mass range of 19.4687-19.8436 μeV. We present the experimental setup and procedures to accomplish this search.

Original languageEnglish
Article number084501
JournalReview of Scientific Instruments
Volume93
Issue number8
DOIs
StatePublished - 1 Aug 2022

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