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Article Dans Une Revue Phys.Rev.C Année : 2018

Generic features of the neutron-proton interaction

Résumé

We show that fully aligned neutron-proton pairs play a crucial role in the low-energy spectroscopy of nuclei with valence nucleons in a high-j orbital. Their dominance is valid in nuclei with valence neutrons and protons in different high-j orbitals as well as in N=Z nuclei, where all nucleons occupy the same orbital. We demonstrate analytically this generic feature of the neutron-proton interaction for a variety of systems with four valence nucleons interacting through realistic, effective forces. The dominance of fully aligned neutron-proton pairs results from the combined effect of (i) angular momentum coupling and (ii) basic properties of the neutron-proton interaction.

Dates et versions

hal-01744019 , version 1 (27-03-2018)

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Y.H. Kim, M. Rejmund, P. van Isacker, A. Lemasson. Generic features of the neutron-proton interaction. Phys.Rev.C, 2018, 97 (4), pp.041302. ⟨10.1103/PhysRevC.97.041302⟩. ⟨hal-01744019⟩
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