Fission time scale from prescission neutron, proton, and a particle multiplicities in 28Si+175Lu

Ramachandran, K. ; Chatterjee, A. ; Navin, A. ; Mahata, K. ; Shrivastava, A. ; Tripathi, V. ; Kailas, S. ; Nanal, V. ; Pillay, R. G. ; Saxena, A. ; Thomas, R. G. ; Kumar, Suresh ; Sahu, P. K. (2006) Fission time scale from prescission neutron, proton, and a particle multiplicities in 28Si+175Lu Physical Review C, 73 (6). 064609_1-064609_7. ISSN 0556-2813

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Official URL: http://prc.aps.org/abstract/PRC/v73/i6/e064609

Related URL: http://dx.doi.org/10.1103/PhysRevC.73.064609

Abstract

Prescission neutron, proton, and α-particle multiplicities for the reaction 28Si+175Lu at 159 MeV were measured simultaneously. The multiplicity data were analyzed using deformation dependent particle transmission coefficients, binding energies, and level densities to extract fission time scales and the mean deformation of the saddle-to-scission emitter. The neutron and charged particle data could be explained consistently, a better fit being obtained by considering the emission of neutrons to be favored toward larger deformation as compared to charged particles. The total fission time scale is deduced as 36-41×10-21s.

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
ID Code:85500
Deposited On:03 Mar 2012 07:34
Last Modified:03 Mar 2012 07:34

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