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Damping of giant dipole resonances at finite temperature

โœ Scribed by N. Giovanardi; P.F. Bortignon; R.A. Broglia

Book ID
104337080
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
490 KB
Volume
641
Category
Article
ISSN
0375-9474

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โœฆ Synopsis

The damping width F~D R of the giant dipole resonance, due to its coupling to doorway states, is studied within the framework of the thermal Green's functions theory. It is found that F~o R reflects the temperature dependence of the single-particle damping width but, as a consequence of the cancellation effects between self-energy and vertex contributions, the coefficient of such a dependence is so small that it can essentially be neglected, within the temperature range of physical interest. (~ 1998 Elsevier Science B.V.

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