First results from the Axion Dark-Matter Birefringent Cavity (ADBC) experiment
arxiv(2024)
摘要
Axions and axion-like particles are strongly motivated dark matter candidates
that are the subject of many current ground based dark matter searches. We
present first results from the Axion Dark-Matter Birefringent Cavity (ADBC)
experiment, which is an optical bow-tie cavity probing the axion-induced
birefringence of electromagnetic waves. Our experiment is the first optical
axion detector that is tunable and quantum noise limited, making it sensitive
to a wide range of axion masses. We have iteratively probed the axion mass
range 40.9-43.3neV/c^2, 49.3-50.6neV/c^2, and
54.4-56.7neV/c^2, and found no dark matter signal. On average, we
constrain the ALP-photon coupling at the level g_aγγ≤
1.9× 10^-8 GeV^-1. We also present prospects for future axion
dark matter detection experiments using optical cavities.
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