Gamow-Teller Transitions in Stable and Unstable pf-shell Nuclei

Details Gamow-Teller Transitions in Stable and Unstable pf-shell Nuclei Gamow-Teller Transitions in Stable and Unstable pf-shell Nuclei

Nov 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1072....3f&link_type=abstract

NUCLEAR PHYSICS AND ASTROPHYSICS: Nuclear Physics and Astrophysics: From Stable Beams to Exotic Nuclei. AIP Conference Proceedi

Physics

Nuclear Physics

1

Beta Decay, Double Beta Decay, Electron And Muon Capture, Shell Model, Charge-Exchange Reactions

Scientific paper

Gamow-Teller (GT) transitions starting from stable as well as unstable pf-shell nuclei are of interest not only in nuclear physics, but also in astrophysics, e.g. in violent neutrino-induced reactions at the core-collapse stage of type II supernovae. In the β-decay study of these pf-shell nuclei, half-lives can be measured rather accurately. On the other hand, in high-resolution (3He,t) charge-exchange reactions at 0°, individual GT transitions up to high excitations can be studied. Assuming the isospin symmetry for the strengths of Tz = +/-1-->0 analogous GT transitions, we present a unique ``merged analysis'' for the determination of absolute B(GT) values. This method can be applied not only to T = 1 systems, but also to higher T systems.

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