Issue |
EPJ Web of Conferences
Volume 78, 2014
Wigner 111 – Colourful & Deep Scientific Symposium
|
|
---|---|---|
Article Number | 06002 | |
Number of page(s) | 8 | |
Section | Nuclear Physics | |
DOI | https://doi.org/10.1051/epjconf/20147806002 | |
Published online | 25 September 2014 |
https://doi.org/10.1051/epjconf/20147806002
Nuclear Structure aspects of gamma decay from giant resonances
Dipartimento di Fisica dell’Universitá di Milano e INFN, I-20133 Milano, Italy
Published online: 25 September 2014
The gamma decay of the giant dipole resonance (including its tail region) is an important tool to probe the properties of these states, and thus to test the predictions of mean field theories. This paper focuses on two main aspects concerning the electric dipole excitation in nuclei. These are the study of the isospin character of the low energy tail of the Giant Dipole Resonance (GDR), the so-called Pygmy resonance, and the isospin mixing of nuclear systems at finite temperature. In the first case, the Pygmy resonance has been populated in the inelastic scattering reaction 17O+124Sn at 20 MeV/u. Its gamma decay has been measured using the AGATA Demonstrator and an array of 8 large volume LaBr3:Ce scintillators. In the second case, the gamma decay of the GDR in thermalized nuclear systems, formed in fusion evaporation reactions, has been used to investigate the isospin mixing in 80Zr. For this work the reactions 40Ca+40Ca at 3.4 MeV/u and 37Cl +44Ca at 2.6 MeV/u were used.
© Owned by the authors, published by EDP Sciences, 2014
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