Energy levels of 18 Ne from the 20 Ne(p, t) 18 Ne reaction
197022 pages
Published in:
- Nucl.Phys.A 157 (1970) 241-262
- Published: 1970
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Abstract: (Elsevier)
Angular distributions of tritons from the 20 Ne(p, t) 18 Ne reaction have been measured at a proton bombarding energy of 42.6 MeV. In addition to the excitation of the established states at 1.887, 3.376, 3.576 and 3.616 MeV, strong groups were also seen at 4.53, 5.10, 6.28 and 9.17 MeV. The 4.53 MeV state is found to have a spin-parity of 1 − . The 5.10 MeV group is probably a doublet comprised of a 2 + and a 3 − state. A tentative 4 + assignment is given to the 6.28 MeV state. DWBA calculations have been made using the finite-range two-nucleon transfer code of Nelson and Macefield. Various wave functions describing 18 Ne and 20 Ne, taken from the work of Arima et al. , Wildenthal et al. , Kuo and Zuker, were used in calculating the spectroscopic amplitudes for transitions to the various final states in 18 Ne. The sensitivity of the DWBA results to the binding energy of the single-particle states is discussed.- Nuclear reactions
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