First results of axion dark matter search with DANCE

Creators: Oshima, Yuka; Fujimoto, Hiroki; Kume, Jun'ya; Morisaki, Soichiro; Nagano, Koji; Fujita, Tomohiro; Obata, Ippei; Nishizawa, Atsushi; Michimura, Yuta; Ando, Masaki

Abstract

Axions are one of the well-motivated candidates for dark matter, originally proposed to solve the strong CP problem in particle physics. Dark matter Axion search with riNg Cavity Experiment (DANCE) is a new experimental project to broadly search for axion dark matter in the mass range of 10⁻¹⁷ eV < mₐ < 10⁻¹¹ eV. We aim to detect the rotational oscillation of linearly polarized light caused by the axion-photon coupling with a bow-tie cavity. The first results of the prototype experiment, DANCE Act-1, are reported from a 24-hour observation. We found no evidence for axions and set 95% confidence level upper limit on the axion-photon coupling g_(aγγ) ≲ 8×10⁻⁴ GeV−1 in 10⁻¹⁴ eV < mₐ <10⁻¹³ eV. Although the bound did not exceed the current best limits, this optical cavity experiment is the first demonstration of polarization-based axion dark matter search without any external magnetic field.

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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

Funded by SCOAP3.

Acknowledgement

We would like to thank Shigemi Otsuka and Togo Shimozawa for manufacturing the mechanical parts, Kentaro Komori and Satoru Takano for fruitful discussions, and Ching Pin Ooi for editing this paper. This work is supported by JSPS KAKENHI Grants No. JP18K13537, No. JP20H05850, No. JP20H05854, and No. JP20H05859, by the Sumitomo Foundation, and by JST PRESTO Grant No. JPMJPR200B. Y. O. is supported by Grant-in-Aid for JSPS Fellows No. JP22J21087 and by JSR Fellowship, the University of Tokyo. H. F. is supported by Grant-in-Aid for JSPS Fellows No. JP22J21530 and by Forefront Physics and Mathematics Program to Drive Transformation (FoPM), a World-leading Innovative Graduate Study (WINGS) Program, the University of Tokyo. J. K. is supported by Grant-in-Aid for JSPS Fellows No. JP20J21866 and by research program of the Leading Graduate Course for Frontiers of Mathematical Sciences and Physics (FMSP). A. N. is supported by JSPS KAKENHI Grants No. JP23K03408, No. JP23H00110, and No. JP23H04893. I. O. is supported by JSPS KAKENHI Grant No. JP19K14702.

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PhysRevD.108.072005.pdf

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