Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2004-09-30
Nuclei at the Limits 2004, American Institute of Physics Conference Proceedings Series
Physics
Nuclear Physics
Nuclear Theory
6 pages, 3 figures
Scientific paper
10.1063/1.1905326
A brief overview is given of the Continuum Shell Model, a novel approach that extends the traditional nuclear shell model into the domain of unstable nuclei and nuclear reactions. While some of the theoretical aspects, such as role and treatment of one- and two-nucleon continuum states, are discussed more in detail, a special emphasis is made on relation to observed nuclear properties, including definitions of the decay widths and their relation to the cross sections, especially in the cases of non-exponential decay. For the chain of He isotopes we demonstrate the agreement of theoretical results with recent experimental data. We show how the interplay of internal collectivity and coherent coupling to continuum gives rise to the universal mechanism of creating pigmy giant resonances.
Volya Alexander
Zelevinsky Vladimir
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