Isospin mixing induced by Coulomb interaction has been measured in the compound nucleus 80Zr*with Z = N = 40 at T ∼ 2 MeV produced in a fusionevaporation reaction. The observable sensitive to the isospin purity of the compound nucleus is the giant dipole resonance γ decay. The Coulomb spreading width of the I = I0 +1 state and the degree of isospin mixing of the compound nucleus has been obtained via statistical model analysis of the measured γ spectrum.

Measurement of isospin mixing in hot Zr-80 compound nucleus / A. Corsi, A. Bracco, F. Camera, F.C.L. Crespi, A. Giaz, S. Leoni, R. Nicolini, V. Vandone, O. Wieland, G. Benzoni, N. Blasi, S. Brambilla, B. Million, S. Barlini, L. Bardelli, M. Bini, G. Casini, A. Nannini, G. Pasquali, G. Poggi, V.L. Kravchuk, M. Cinausero, M. Degerlier, F. Gramegna, T. Marchi, D. Montanari, G. Baiocco, M. Bruno, M. D'Agostino, L. Morelli, G. Vannini, M. Ciemala, M. Kmiecik, A. Maj, K. Mazurek, W. Meczynski, S. Myalski (PROCEEDINGS OF THE INTERNATIONAL SCHOOL OF PHYSICS "ENRICO FERMI"). - In: From the Big Bang to the Nucleosynthesis / [a cura di] A. Bracco, E. Nappi. - [s.l] : IOS, 2011. - ISBN 9781607509738. - pp. 391-400 (( Intervento presentato al 178. convegno Course of the International School of Physics Enrico Fermi on From the Big Bang to the Nucleosynthesis tenutosi a Varenna nel 2010 [10.3254/978-1-60750-974-5-391].

Measurement of isospin mixing in hot Zr-80 compound nucleus

A. Corsi
Primo
;
A. Bracco
Secondo
;
F. Camera;F.C.L. Crespi;A. Giaz;S. Leoni;R. Nicolini;V. Vandone;
2011

Abstract

Isospin mixing induced by Coulomb interaction has been measured in the compound nucleus 80Zr*with Z = N = 40 at T ∼ 2 MeV produced in a fusionevaporation reaction. The observable sensitive to the isospin purity of the compound nucleus is the giant dipole resonance γ decay. The Coulomb spreading width of the I = I0 +1 state and the degree of isospin mixing of the compound nucleus has been obtained via statistical model analysis of the measured γ spectrum.
dipole; symmetry; energies; states
Settore FIS/01 - Fisica Sperimentale
Settore FIS/04 - Fisica Nucleare e Subnucleare
Book Part (author)
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/512172
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