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Aug 30, 2021

Rate of Nuclear Reaction in Exploding Stars Identified

Posted by in category: quantum physics

New research by Surrey’s Nuclear Physics Group has shown that it’s possible to mimic excited quantum states with exotic nuclei, opening up a host of opportunities for next generation radioactive beam facilities, such as the Facility for Rare Isotope Beams (FRIB).

The results of the project – which was a collaboration between the University of Surrey and Michigan State University, USA – were published in Physical Review Letters in January 2021. The lead author was Surrey PhD student Samuel Hallam, who also studied for his undergraduate physics degree at Surrey.

One of the biggest challenges in nuclear physics is measuring reactions that occur on excited quantum states, such as are found in exploding stars due to extreme temperature and density. Until now, physicists have had to determine the rates at which nuclear reactions occur in these conditions through theoretical estimates.

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