Long-sought measurement of exotic beta decay in thallium helps extract
the timescale of the Sun's birth:
https://www.sciencedaily.com/releases/2024/11/241114125851.htm
Source:
GSI Helmholtzzentrum für Schwerionenforschung GmbH
Summary:
How long did it take our Sun to form in its stellar nursery?
Scientists are now closer to an answer.
They succeeded in the measurement of the bound-state beta decay of
fully-ionized thallium ions at the Experimental Storage Ring (ESR) of GSI/FAIR.
This measurement has profound effects on the production of radioactive lead in
asymptotic giant branch (AGB) stars and can be used to help determine the Sun's
formation time.
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