Collisional damping of giant monopole and quadrupole resonances

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Date

2001-03-01

Author

Yildirim, S
Gokalp, A
Yılmaz, Osman
Ayik, S

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Collisional damping widths of giant monopole and quadrupole excitations for Sn-120 and Pb-208 at zero and finite temperatures are calculated within Thomas-Fermi approximation by employing the microscopic in-medium cross-sections of Li and Machleidt and the phenomenological Skyrme and Gogny forces, and are compared with each other. The results for the collisional widths of giant monopole and quadrupole vibrations at zero temperature as a function of the mass number show that the collisional damping of giant monopole vibrations accounts for about 30 - 40% of the observed widths at zero temperature, while for giant quadrupole vibrations it accounts for only 20 - 30% of the observed widths at zero temperature.

Subject Keywords

Dipole resonance, Width, SN-120, Nuclear

URI

https://hdl.handle.net/11511/62878

Journal

EUROPEAN PHYSICAL JOURNAL A

DOI

https://doi.org/10.1007/s100500170114

Collections

Department of Physics, Article

Citation Formats

S. Yildirim, A. Gokalp, O. Yılmaz, and S. Ayik, “Collisional damping of giant monopole and quadrupole resonances,” EUROPEAN PHYSICAL JOURNAL A, vol. 10, no. 3, pp. 289–294, 2001, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/62878.