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DYNAMICAL STUDY OF ANISOTROPY IN ANGULAR DISTRIBUTION OF FISSION FRAGMENTS IN ¹⁶O+¹⁸¹Ta AND ¹⁶O+²⁰⁸Pb FUSION–FISSION REACTIONS

M. R. PAHLAVANI

Department of Physics, Faculty of Science, Mazandaran University, P. O. Box 47415-416, Babolsar, Iran

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Department of Physics, Faculty of Science, Mazandaran University, P. O. Box 47415-416, Babolsar, Iran

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Department of Physics, Faculty of Science, Mazandaran University, P. O. Box 47415-416, Babolsar, Iran

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https://doi.org/10.1142/S0218301311017314Cited by:3 (Source: Crossref)

Abstract

The three-dimensional Langevin equation (LE) and Transition State Model (TSM) are applied to calculate prescission neutron multiplicity and anisotropy of fission fragment angular distribution for ¹⁶O+¹⁸¹Ta and ¹⁶O+²⁰⁸Pb systems. Dynamical calculations were carried out considering one-body dissipation. Theoretical results of pre-scission neutron multiplicity and anisotropy have been compared with experimental data for given systems. Calculations show that the results of anisotropy based on dynamical approach are in better agreement with the experimental data as compared with the TSM (in saddle point).

Keywords:

PACS: 21.60.Ka, 23.20En, 24.10.Eq, 25.70Gh, 25.70Jj

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Vol. 20, No. 01

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Accepted 4 May 2010

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