delta. isobars in finite nuclei and nuclear matter

Journal Article · Thu May 01 00:00:00 EDT 1986 · Phys. Rev. C; (United States)

DOI:https://doi.org/10.1103/PhysRevC.33.1753· OSTI ID:5872441

Czerski, P; Dickhoff, W H; Faessler, A; Muether, H

Random phase approximation calculations using a microscopic residual interaction (G matrix) are performed for /sup 16/O and /sup 12/C. The influence of ..delta.. isobars on isovector magnetic states is investigated and found to be small since many-body renormalization effects for the coupling of ph to ..delta..h states (g/sub NDelta//sup prime/) are considerably smaller in finite nuclei than in nuclear matter. Energies of isovector states and collective isoscalar states are described reasonably well. The electromagnetic transition strength is in general overestimated for both magnetic and electric transitions.

• Research Organization: Istituto di Fisica Teorica dell'Universita di Torino and Istituto Nazionale di Fisica Nucleare, Sezione di Torino, Turin, Italy
• OSTI ID: 5872441
• Journal Information: Phys. Rev. C; (United States), Vol. 33:5
• Country of Publication: United States
• Language: English

Related Subjects

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Theoretical- Energy Levels & Transitions- (-1987)