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APS » Journals » Phys. Rev. Lett. » Volume 64 » Issue 19
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Phys. Rev. Lett. 64, 2254–2257 (1990)

Time-dependent thermal fluctuations and the giant dipole resonance in hot, rotating nuclei

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W. E. Ormand, P. F. Bortignon, R. A. Broglia, T. Døssing, and B. Lauritzen
Istituto Nazionale di Fisica Nucleare Sezione di Milano, via Celoria 16, 20133 Milano, Italy
Istituto di Ingegneria Nucleare, via Ponzio 34-3, 20133 Milano, Italy
Dipartimento di Fisica, Università di Milano, via Celoria 16, 20133 Milano, Italy
The Niels Bohr Institute, University of Copenhagen, Blegdamsvej 17, DK-2100 Copenhagen O/, Denmark
Nordisk Institut for Teoretisk Atomfysik (NORDITA), Blegdamsvej 17, DK-2100 Copenhagen O/, Denmark

Received 30 October 1989; published in the issue dated 7 May 1990

A model accounting for the time dependence of thermal shape fluctuations in hot nuclei and their effects on the giant dipole resonance (GDR) is presented. Experimental data for Er and Sn isotopes are compared with theoretical calculations, and evidence for the motional narrowing of the GDR is investigated.

© 1990 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.64.2254
DOI:
10.1103/PhysRevLett.64.2254
PACS:
24.30.Cz, 24.60.Dr, 24.60.Ky
 
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