PROGRESS IN THE STUDY OF THE γ-DECAY OF THE GIANT DIPOLE RESONANCE IN HOT NUCLEI-Reference-Cited by-同舟云学术

PROGRESS IN THE STUDY OF THE γ-DECAY OF THE GIANT DIPOLE RESONANCE IN HOT NUCLEI

Published:2007-10-30 Issue:33 Volume:22 Page:2479-2492
ISSN:0217-7323
Container-title:Modern Physics Letters A
language:en
Short-container-title:Mod. Phys. Lett. A

Author:

BRACCO A.¹,CAMERA F.¹,WIELAND O.¹,ORMAND W. E.²

Affiliation:

1. University of Milano and INFN sez. of Milano,Via Celoria 16, 20133 Milano, Italia

2. Lawrence Livermore National Laboratory, Livermore, USA

Abstract

The problem of the damping of the Giant Dipole Resonance (GDR) at finite temperature at T>2 MeV is discussed here. The experimental results are based on fusion evaporation reactions. The most recent results on the mass region A = 132 ( Ce isotopes) obtained in exclusive measurements are compared with the existing results on the A = 110–120 region ( Sn isotopes). The comparison with the theoretical predictions based on thermal shape fluctuations is also discussed. The GDR width is found to increase also in the region T>2 MeV and this is accounted by the combined effect of the increase of the compound nucleus width (smaller lifetime) and to the increase of the average deformation of the nucleus.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217732307024474

Reference35 articles.

1. Giant-Dipole Resonance and the Deformation of Hot, Rotating Nuclei

2. Damping of the giant dipole resonance in hot, strongly rotating nuclei

3. Large effects of orientation fluctuations in the angular distribution of the GDR photons

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