- Conference date: 4-9 September 2005
- Location: Notre Dame, Indiana (USA)
Spin‐isospin (Gamow‐Teller) excitations in 64 Cu and 64Co have been studied using (3He,t) and (d,2He) charge‐exchange reactions on 64 Ni. As the isospin of the 64 Ni ground‐state is T 0=4, states with T=3, 4 and 5 in 64 Cu are excited via the (3He,t) reaction and states with T=5 in 64Co via (d,2He). If we assume that the nuclear interaction is charge symmetric, the T=5 states in 64 Cu should appear at corresponding excitation energies (if corrected for the Coulomb displacement) and with similar strengths as the T=5 states in 64Co. As in the 64 Cu spectrum the T=5 states are very weakly excited, only by combining the results of the two complementary experiments one can estimate the Gamow‐Teller strength starting from 64 Ni in a consistent way.
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