Phys. Rev. Lett. 73, 2676 - 2679 (1994)

Excitation Energy Dependence of the Fission Probability in 200Pb Compound Nuclei

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D. Fabris1, G. Viesti1, E. Fioretto2, M. Cinausero3, N. Gelli3, K. Hagel4, F. Lucarelli3, J. B. Natowitz4, G. Nebbia1, G. Prete2, and R. Wada4
1Instituto Nazionale di Física Nucleare and Dipartimento di Física dell'Universita' di Padova, I-35131 Padova, Italy
2Instituto Nazionale di Física Nucleare Laboratori Nazionali di Legnaro, I-35020 Legnaro (Padova), Italy
3Instituto Nazionale di Física Nucleare and Dipartimento di Física dell'Universita' di Firenze, I-50125 Firenze, Italy
4Cyclotron Institute, Texas A&M University, College Station, Texas 77843

Received 29 April 1994

The multiplicities of energetic γ rays have been measured in coincidence with both evaporation residues and fission fragments in the reactions of 19F on 181Ta at projectile energies of 90, 100, 110, 120, 130, and 140 MeV. The experimental data have been compared with results of statistical calculations, which take into account dynamical fission hindrance. The damping of the fission partial width has been determined as a function of excitation energy in 200Pb.


©1994 The American Physical Society

URL: http://link.aps.org/abstract/PRL/v73/p2676
DOI: 10.1103/PhysRevLett.73.2676
PACS: 25.70.Jj, 24.60.Dr, 25.70.Gh, 27.80.+w

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