US EditionWhy a pair of fragile atoms matter for how the universe makes its elements
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Why a pair of fragile atoms matter for how the universe makes its elements
Scientists have weighed two ultra-unstable nuclei that shape neutron star X-ray bursts, revealing a key reaction runs far faster than thought and tightening how we model element formationNeutron stars are already pretty weird objects. Not only are they small and insanely dense, but they can produce sudden flashes called Type I X-ray bursts that dump out huge amounts of energy. These bursts are basically extreme chemistry labs, and scientists use…
Physicists from the Institute of Modern Physics of the Chinese Academy of Sciences (CAS) directly measured the masses of two highly unstable atomic nuclei, phosphorus-26 and sulfur-27 (half-lives of 43 ms and 15 ms respectively). These high-precision measurements provide data essential to the calculation of the rates of nuclear reactions during the X-ray bursts of neutron stars. This provides a better understanding of how chemical elements are c…
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