The high-energy gamma-rays from the GDR decay of 56,60,62Ni{*} nuclei at finite temperature, produced in the reactions 32,34,36S + 24,26Mg at bombarding energies between 78 , 90 MeV, were measured and analyzed with statistical model using a Monte Carlo approach. It is found that the present analysis gives some evidence on the presence of an extra yield on the tail of the Giant Dipole Resonance which may be attributed to a Pygmy Dipole Resonance in an excited nucleus.
Extra yield in hot Ni isotopes below the Giant Dipole Resonance / O. Wieland, A. Bracco, F. Camera, S. Aogaki, D.L. Balabanski, E. Boicu, R. Borcea, M. Boromiza, I. Burducea, S. Calinescu, A. Coman, P. Constantin, C. Costache, M. Ciemala, G. Ciocan, C. Clisu, F.C.L. Crespi, M. Cuciuc, A. Dhal, N. Djourelov, N.M. Florea, I. Gheorghe, A. Giaz, D. Iancu, D.M. Kahl, M. Kmiecik, A. Kusoglu, R. Lica, N. Marginean, A. Maj, R. Marginean, C. Mihai, R.E. Mihai, B. Million, C. Neacsu, D. Nichita, C. Nit, H. Pai, A. Pappalardo, T. Petruse, A. Rotaru, A.B. Serban, P.-. Soderstrom, C.O. Sotty, L. Stan, A.N. State, I. Stiru, A. Stoica, D.A. Testov, S. Toma, T. Tozar, A. Turturica, G. Turturica V, S. Ujeniuc, V. Vasilca, Y. Xu. - In: IL NUOVO CIMENTO C. - ISSN 2037-4909. - 47:2(2024 Apr), pp. 1-6. (Intervento presentato al convegno COMEX7 tenutosi a Catania nel 2023) [10.1393/ncc/i2024-24024-1].
Extra yield in hot Ni isotopes below the Giant Dipole Resonance
A. BraccoSecondo
;F. Camera;F.C.L. Crespi;
2024
Abstract
The high-energy gamma-rays from the GDR decay of 56,60,62Ni{*} nuclei at finite temperature, produced in the reactions 32,34,36S + 24,26Mg at bombarding energies between 78 , 90 MeV, were measured and analyzed with statistical model using a Monte Carlo approach. It is found that the present analysis gives some evidence on the presence of an extra yield on the tail of the Giant Dipole Resonance which may be attributed to a Pygmy Dipole Resonance in an excited nucleus.
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