Gamow-Teller strengths in Na24 using the 24Mg(t,3He) reaction at 115A MeV

M. E. Howard, R. G.T. Zegers, Sam M. Austin, D. Bazin, B. A. Brown, A. L. Cole, B. Davids, M. Famiano, Y. Fujita, A. Gade, D. Galaviz, G. W. Hitt, M. Matos, S. D. Reitzner, C. Samanta, L. J. Schradin, Y. Shimbara, E. E. Smith, C. Simenel

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Abstract

Gamow-Teller transitions from Mg24 to Na24 were studied via the (t,3He) reaction at 115A MeV using a secondary triton beam produced via fast fragmentation of 150A MeV O16 ions. Compared to previous (t,3He) experiments at this energy that employed a primary α beam, the secondary beam intensity is improved by about a factor of five. Despite the large emittance of the secondary beam, an excitation-energy resolution of ∼200 keV is achieved. A good correspondence is found between the extracted Gamow-Teller strength distribution and those available from other charge-exchange probes. Theoretical calculations using the newly developed USDA and USDB sd-shell model interactions reproduce the data well.

Original languageEnglish
Article number047302
JournalPhysical Review C - Nuclear Physics
Volume78
Issue number4
DOIs
Publication statusPublished - 20 Oct 2008
Externally publishedYes

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