Giant Dipole Resonance in the Hot and ThermalizedCe132Nucleus: Damping of Collective Modes at Finite Temperature | Zendy

O. Wieland | Zendy; A. Bracco | Zendy; F. Camera | Zendy; G. Benzoni | Zendy; N. Blasi | Zendy; S. Brambilla | Zendy; F. C. L. Crespi | Zendy; A. Giussani | Zendy; S. Leoni | Zendy; P. Mason | Zendy; B. Million | Zendy; A. Moroni | Zendy; S. Barlini | Zendy; V.L. Kravchuk | Zendy; F. Gramegna | Zendy; A. Lanchais | Zendy; P. Mastinu | Zendy; A. Maj | Zendy; M. Brekiesz | Zendy; M. Kmiecik | Zendy; M. Bruno | Zendy; E. Geraci | Zendy; G. Vannini | Zendy; G. Casini | Zendy; M. Chiari | Zendy; A. Nannini | Zendy; A. Ordine | Zendy; Erich Ormand | Zendy

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Giant Dipole Resonance in the Hot and ThermalizedCe132Nucleus: Damping of Collective Modes at Finite Temperature

Author(s) -

O. Wieland,

A. Bracco,

F. Camera,

G. Benzoni,

N. Blasi,

S. Brambilla,

F. C. L. Crespi,

A. Giussani,

S. Leoni,

P. Mason,

B. Million,

A. Moroni,

S. Barlini,

V.L. Kravchuk,

F. Gramegna,

A. Lanchais,

P. Mastinu,

A. Maj,

M. Brekiesz,

M. Kmiecik,

M. Bruno,

E. Geraci,

G. Vannini,

G. Casini,

M. Chiari,

A. Nannini,

A. Ordine,

Erich Ormand

Publication year - 2006

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.97.012501

Subject(s) - physics , resonance (particle physics) , dipole , atomic physics , analytical chemistry (journal) , chemistry , quantum mechanics , chromatography

The gamma decay of the giant dipole resonance (GDR) in the 132Ce compound nucleus with temperature up to approximately 4 MeV has been measured, using the reaction 64Ni + 68Zn at E(beam) = 300, 400, and 500 MeV. The gamma and charged particles measured in coincidence with recoils are consistent with a fully equilibrated compound nucleus emission. The GDR width, obtained with the statistical model analysis, is found to increase almost linearly with temperature. This increase is rather well reproduced within a model including thermal shape fluctuations and the lifetime of the compound nucleus.

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