Astronomers expect a “new” star will be visible in the sky by September following an explosion in the constellation Corona Borealis
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Astronomers expect a “new” star will be visible in the sky by September following an explosion in the constellation Corona Borealis
Using a combination of experimental facilities, researchers directly measured a key reaction that takes place in the explosions on the surfaces of neutron stars. This is the first-ever measurement of this reaction. Contrary to expectation, the experimental data agreed with predictions from a common theoretical model used to calculate reaction rates.
When a muon binds with a deuteron, it forms a system with two neutrons in a process analogous to proton-proton fusion. Nuclear theorists examined this muon capture process to quantify theoretical uncertainty relevant for comparison with experimental data and to test predictions involving proton-proton fusion. The study supports ongoing efforts to enhance the accuracy of muon capture measurements and to apply the same theoretical framework to other processes.