Gamow-Teller strengths in 24 Na using the 24 Mg( t , 3 He) reaction at 115 A MeV
- 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
- Galaviz, D.
- Hitt, G.W.
- Matos, M.
- Reitzner, S D
- Samanta, C.
- Schradin, L.J.
- Shimbara, Y.
- Smith, E.E.
- Simenel, Cedric
Publication date
December 2015
DOI Publisher
American Physical Society (APS) Journal
Physical Review CAbstract
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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