The gamma decay of the Giant Dipole Resonance (GDR) in Ce-132 nuclei has been measured using the reactions Ni-64 (E-lab = :300,400, 500 MeV) + Zn-68 and O-16 (E-lab = 130,250 MeV) + 116 Sn. The analysis of the data shows clearly that the GDR, width increases steadily with temperature at least up to 4 MeV of the temperature. The data can be well interpreted within the thermal shape fluctuation model.
Damping mechanism of the giant dipole resonance in hot nuclei with A = 130 / Wieland, O.; Bracco, A.; Camera, F.; Benzoni, G.; Blasi, N.; Crespo, F. C. L.; Leoni, S.; Million, B.; Barlini, Sandro; Kravchuk, V. L.; Gramegna, F.; Lanchais, A.; Maj, A.; Kmiecik, M.; Casino, G.; Chiara, M.; Nannini, A.; Bruno, M.; Geraci, E.. - In: ACTA PHYSICA POLONICA B. - ISSN 0587-4254. - ELETTRONICO. - 38:(2007), pp. 1447-1453. (Intervento presentato al convegno 41st Zakopane Conference on Nuclear Physics - Trends in Nuclear Physics tenutosi a Zakopane, pol nel 2006).
Damping mechanism of the giant dipole resonance in hot nuclei with A = 130
Barlini, S.;
2007
Abstract
The gamma decay of the Giant Dipole Resonance (GDR) in Ce-132 nuclei has been measured using the reactions Ni-64 (E-lab = :300,400, 500 MeV) + Zn-68 and O-16 (E-lab = 130,250 MeV) + 116 Sn. The analysis of the data shows clearly that the GDR, width increases steadily with temperature at least up to 4 MeV of the temperature. The data can be well interpreted within the thermal shape fluctuation model.
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