Prescission neutron multiplicities and nuclear viscosity: A systematic study
C. BhattacharyaVariable Energy Cyclotron Centre, 1/AF Bidhan Nagar, Calcutta 700 064, IndiaSumantra BhattacharyaVariable Energy Cyclotron Centre, 1/AF Bidhan Nagar, Calcutta 700 064, IndiaK. KrishanVariable Energy Cyclotron Centre, 1/AF Bidhan Nagar, Calcutta 700 064, India
1996en
ABI
Abstract
Prescission neutron multiplicities have been calculated in the framework of a simple, dynamical model of fission. The fission trajectories have been calculated by solving Euler-Lagrange equations with dissipation generated through two-body nuclear viscosity. Systematic study of the relationship between the prescission neutron multiplicities and nuclear viscosity has been made in the range of mass 150--200 and incident energy 4--13 MeV/nucleon. The values of the viscosity coefficients which are used to predict the observed prescission neutron multiplicities follow a global relation in the region of mass and energy studied.
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