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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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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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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