Gamow-Teller strengths in 24 Na using the 24 Mg( t , 3 He) reaction at 115 A MeV
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Howard, M.E.
Zegers, R.G.T.
Austin, Sam M.
Bazin, D.
Brown, B A
Cole, A.L.
Davids, B.
Famiano, M.
Fujita, F
Gade, A
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American Physical Society
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.
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Physical Review C: Nuclear Physics
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2037-12-31
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