Anharmonic properties of the double giant dipole resonance |
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| Authors: | Ponomarev Bortignon Broglia Voronov |
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| Affiliation: | Dipartimento di Fisica, Universita di Milano and INFN Sezione di Milano, Via Celoria 16, I-20133 Milano, Italy and Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Moscow region, Russia. |
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| Abstract: | ![]()
A systematic microscopic study of the anharmonic properties of the double giant dipole resonance (DGDR) has been carried out, for the first time, for nuclei with mass number A spanning the whole mass table. It is concluded that the corrections of the energy centroid of the Jpi = 0(+) and 2(+) components of the DGDR from its harmonic limit are negative, have a value of the order of a few hundred keV, and follow an A-1 dependence. |
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