https://www.selleckchem.com/products/BEZ235.html
Recently, an anomalous excess was found in the electronic recoil data collected at the XENON1T experiment. The excess may be explained by an axionlike particle (ALP) with a mass of a few keV and a coupling to electron of g_ae∼10^-13, if the ALP constitutes all or some fraction of local dark matter (DM). In order to satisfy the x-ray constraint, the ALP coupling to photons must be significantly suppressed compared to that to electrons. This strongly suggests that the ALP has no anomalous couplings to photons; i.e., there is no U(1)_PQ-U(1
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