Weak decays of H-like 140Pr58+ and He-like 140Pr57+ ions

Details Weak decays of H-like 140Pr58+ and He-like 140Pr57+ ions Weak decays of H-like 140Pr58+ and He-like 140Pr57+ ions

2007-11-20

arxiv.org/abs/0711.3184v2

Phys.Rev.C78:025503,2008

Physics

Nuclear Physics

Nuclear Theory

Latex 14 pages, no figures, we have corrected some references, discussed in more detail the ratio of the EC-decay constants of

Scientific paper

10.1103/PhysRevC.78.025503

The nuclear K-shell electron-capture (EC)and positron (beta+) decay constants, lambda_(EC) and lambda_(beta^+) of H-like 140Pr58+ and He-like 140Pr57+ ions, measured recently in the ESR ion storage ring at GSI, were calculated using standard weak interaction theory. The calculated ratios R = lambda_(EC)/lambda_(beta^+) of the decay constants agree with the experimental values within an accuracy better than 3 %.

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