Isospin Nonconservation in the Reactionsand
- 1 January 1971
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review C
- Vol. 3 (1), 79-83
- https://doi.org/10.1103/physrevc.3.79
Abstract
The isospin-nonconserving () reactions on and leading to the , states at MeV in and MeV in have been studied in the energy intervals of MeV and 26.2 to 29.5 MeV, respectively. Two resonances were observed in the excitation function for the reaction on at MeV followed by a weak tail with little energy dependence. This behavior is similar to that observed earlier for the reaction on in the same energy region. The results for at the higher bombarding energies, in conjunction with arguments related to the properties of highly excited states, appear to favor a direct- or semidirect-reaction mechanism. Consistent with the observed facts are virtual Coulomb excitation of the deuteron or the preferential spin-flip process suggested by Noble. No evidence was found for the two-step process involving isospin-mixed intermediate states, which was also suggested by Noble.
Keywords
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