Spectroscopy of intermediate 16F states with the reaction 14N(3He,np)15O |
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Authors: | NH Hamann |
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Institution: | Fakultät für Physik der Universität, 7800 Freiburg, Germany |
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Abstract: | Excited states of 16F have been investigated with the reaction 14N(3He, np)15O at E = 10.5 and 12 MeV in kinematically complete experiments. Proton groups corresponding to the decays of intermediate 16F states were observed at various angles with counter telescopes in time coincidence with the associated neutrons detected at θnlab = 0° with a time-of-flight spectrometer. Excitation energies and decay widths Γp0 of these states have been extracted from the proton spectra. Lower limits for the orbital angular momentum in the decay channel and for the spin of the states have been deduced from the obtained angular correlations. By comparison with the reaction 14N(3He, pp)15N measured at E = 13 MeV, pairs of parent/16O analog states have been identified. Jπ assignments and shell-model configurations are discussed on the basis of the selectivity of the reactions measured. |
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Keywords: | Nuclear reactions |
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