A limit on variations in the fine-structure constant from spectra of nearby Sun-like stars
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DOI: 10.1126/science.abi9232
Abstract: The fine structure constant α sets the strength of the electromagnetic force. The Standard Model of particle physics provides no explanation for its value, which could potentially vary. The wavelengths of stellar absorption lines depend… read more here.
Keywords: per billion; structure constant; fine structure; spectra nearby ... See more keywords