Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1998-09-04
Nucl.Phys. A649 (1999) 209-213
Physics
Nuclear Physics
Nuclear Theory
LaTeX file with text: 7 pages; 2 gzipped *.ps files with figures
Scientific paper
10.1016/S0375-9474(99)00063-9
A simple analytical expression for the gamma-decay strength function is derived with microcanonical ensemble for initial excited states. The approach leads to both a non-zero limit of the strength function for vanishing gamma-ray energy and a partial breakdown of Brink hypothesis. It is shown that the low energy behaviour of the gamma-decay strength functions is governed by the energy behavior of the damping width. It may provides a new tool for study of the interplay between different relaxation mechanisms of the collective excitations.
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