Two-Quasiparticle States inTb158
- 1 November 1970
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review C
- Vol. 2 (5), 1747-1758
- https://doi.org/10.1103/physrevc.2.1747
Abstract
Thirty-four levels in have been observed up to an excitation energy of 1166 keV utilizing 12-MeV deuterons and the reaction . The ground-state value was determined to be -1870 ± 15 keV. The spectrum has been interpreted in terms of the coupling of the [] Nilsson proton orbital with the neutron orbitals prominent in the () spectrum of . This interpretation has resulted in the determination of relative energies due to the residual neutron-proton interaction for eight different configurations. The observed singlet-triplet splitting energies for the [], [], and [] neutron orbitals coupled to the [] proton orbital were measured to be +132, -111, and +136 keV, respectively. Theoretical calculations of these energies made for a zero-range spin-dependent central potential gave values of +174, -186, and +136 keV, respectively.
Keywords
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