Abstract

A microscopic two-particle DWBA analysis is carried out on the18O(3He, p)20F reaction leading to the (sd)4 positive-parity levels. The spectroscopic amplitudes were derived from the three single-particle energies and sixty-three two-body matrix elements given by the shell model calculations or Halbertet al. based on an inert16O core with the additional nucleons distributed in an unrestricted 1d5/2-2s1/2-1d3/2 model space. Angular distributions leading to several 1+, 2+, 3+, 4+ and 5+ (sd)4 levels in20F are fairly well reproduced.

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