Studying electron-capture in supernovae with the (t,3He) charge-exchange reaction

G. W. Hitt, Sam M. Austin, D. Bazin, A. Gade, C. J. Guess, M. Horoi, M. E. Howard, D. Galaviz-Redondo, Y. Shimbara, E. E. Smith, C. Tur, R. G.T. Zegers

Research output: Contribution to journalConference articlepeer-review

Abstract

Detailed knowledge of the Gamow-Teller strength distribution in medium-heavy nuclei is important for accurately estimating weak transition rates in thermonuclear and core-collapse supernovae. Charge-exchange reactions are an excellent tool to provide empirical information about Gamow-Teller strengths. A secondary, 115 MeV/nucleon triton beam has been developed at NSCL for use in (t,3He) charge-exchange reaction studies. Work is ongoing to extract Gamow-Teller strength distributions, particularly in pf-shell nuclei. We briefly overview the procedure with the 64Zn(t,3He) 64Cu reaction as an example.

Original languageEnglish
JournalProceedings of Science
StatePublished - 2008
Event10th Symposium on Nuclei in the Cosmos, NIC 2008 - Mackinac Island, MI, United States
Duration: Jul 27 2008Aug 1 2008

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