First Results from the Taiwan Axion Search Experiment with a Haloscope at 19.6 μeV

(TASEH Collaboration)

研究成果: 雜誌貢獻期刊論文同行評審

30 引文 斯高帕斯(Scopus)

摘要

This Letter reports on the first results from the Taiwan Axion Search Experiment with a Haloscope, a search for axions using a microwave cavity at frequencies between 4.707 50 and 4.798 15 GHz. Apart from the nonaxion signals, no candidates with a significance of more than 3.355 were found. The experiment excludes models with the axion-two-photon coupling |gaγγ|≳8.1×10-14 GeV-1, a factor of eleven above the benchmark Kim-Shifman-Vainshtein-Zakharov model, in the mass range 19.4687<ma<19.8436 μeV. It is also the first time that a haloscope experiment places constraints on gaγγ in the mass region of 19.4687<ma<19.7639 μeV, reaching a sensitivity 3 orders of magnitude better than the limits obtained by nonhaloscope experiments.

原文???core.languages.en_GB???
文章編號111802
期刊Physical Review Letters
129
發行號11
DOIs
出版狀態已出版 - 9 9月 2022

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