HUNTING THE ULTRALIGHT SNARK. “In this Letter we repeat the analysis of Ref. [64] by including the 35 new binary black holes reported by the LIGO-Virgo-Kagra collaboration at high significance. We find the probability a scalar boson with masses in the range 1.3×10(−13) eV ≤ μs ≤ 2.7×10(−13) eV to be smaller than 0.01%.”
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