Effects of the hyperfine interaction on orbital electron capture

L. M. Folan, V. I. Tsifrinovich

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Abstract

Electron capture from an unfilled atomic s orbital is investigated theoretically. Analyses are carried out for two simple situations, a mirror transition of a nucleus with a nucleon in an outer s12 state and a Gamow-Teller transition decreasing the nuclear spin by one unit. It is shown that the hyperfine interaction between electron and nuclear spins has a great influence on the rate of electron capture at temperatures small compared to the hyperfine splitting. The possibility of inducing electron capture with resonant electromagnetic fields is discussed.

Original languageEnglish (US)
Pages (from-to)499-501
Number of pages3
JournalPhysical Review Letters
Volume74
Issue number4
DOIs
StatePublished - Jan 1 1995

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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