Figure 1. Status of the Axion Search by Various Experiments to Date (IMAGE)

Institute for Basic Science

Figure 1. Status of the Axion Search by Various Experiments to Date

Caption

The lower horizontal axis is the axion mass, the upper horizontal axis is the microwave frequency corresponding to the mass, and the vertical axis is the coupling constant of axion-to-photon conversion. Both axes are in logarithm scales. CAPP-8TB indicates the range of mass reported in this study. CAST indicates experimental results from CERN (Switzerland) published in 2017, RBF is the result from Brookhaven National Laboratory (BNL) in a collaboration of University of Rochester, BNL, and Fermi National Accelerator Laboratory (US) published in 1989. UF is the result from University of Florida (US) published in 1990, ADMX is the range scanned at University of Washington (US) from 1998 to 2018. HAYSTAC is the result scanned at Yale University (US) from 2017 to 2018. ORGAN and QUAX-aγ are the results from University of Western Australia (Australia) and INFN (Italy) in 2017 and 2019, respectively. KSVZ and DFSZ are two models that can solve the strong CP problem.

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