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A dynamical theory of the giant dipole resonance in nuclei

G.E. Brown
(
- SUNY, Stony Brook
)
,
J.S. Dehesa
(
- Julich, Forschungszentrum
)
,
J. Speth
(
- Julich, Forschungszentrum
)

1979

17 pages

Published in:

Nucl.Phys.A 330 (1979) 290-306

Published: 1979

DOI:

10.1016/0375-9474(79)90055-1

View in:

Nuclear Science References

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Abstract: (Elsevier)

Calculations of the giant dipole resonance in the particle-hole model, employing empirical values for the unperturbed particle and hole energies have been unsuccessful in pushing the dipole state to a sufficiently high energy. It is argued that unperturbed levels, corresponding to an effective mass of m ∗ /m ∼ 0.60–0.64 , should be employed. The couplings of particles and holes to vibrations are the crucial ingredients in these considerations. This also has the consequence of spreading out the M1 strength. A new interpretation of experimental strengths is proposed.

References(37)

Figures(0)

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[25]

to be published

G.E. Brown
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S.-O. Bäckman
,
V. Klemt
,
J. Speth

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