Sp(6, R) symmetry and α-breakup amplitudes of giant E2 excitations in light nuclei - INSPIRE

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Sp(6, R) symmetry and α-breakup amplitudes of giant E2 excitations in light nuclei

1978

11 pages

Published in:

Nucl.Phys.A 295 (1978) 34-44

Published: 1978

DOI:

10.1016/0375-9474(78)90018-0

View in:

Nuclear Science References

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Abstract: (Elsevier)

Shell-model core excitations based on the Sp(6, R) model are compared with those derived from α-cluster models. Overlaps between the first symplectic excitations (essentially giant E2 excitations) and α-cluster states of the same SU(3) symmetry are used to estimate the α-breakup probabilities of giant E2 resonances in 16 O, 20 Ne, 24 Mg and 28 Si. Although these probabilities are large, α-cluster and Sp(6, R) core excitations are essentially complementary and may both be needed for a meaningful microscopic description of A = 16–40 nuclei.

References(25)

Figures(0)

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