https://doi.org/10.1051/epjconf/20158600033
A model for explaining fusion suppression using classical trajectory method
1 Dept. of Physics, Haflong Govt. College, Haflong, India - 788819
2 Dept. of Physics, Gauhati University, Guwahati, India - 781014
a e-mail: chinmoy.phookan@gmail.com
b e-mail: ku_kalita@yahoo.com
Published online: 29 January 2015
We adopt a semi-classical approach for explanation of projectile breakup and above barrier fusion suppression for the reactions 6Li+152Sm and 6Li+144Sm. The cut-off impact parameter for fusion is determined by employing quantum mechanical ideas. Within this cut-off impact parameter for fusion, the fraction of projectiles undergoing breakup is determined using the method of classical trajectory in two-dimensions. For obtaining the initial conditions of the equations of motion, a simplified model of the 6Li nucleus has been proposed. We introduce a simple formula for explanation of fusion suppression. We find excellent agreement between the experimental and calculated fusion cross section. A slight modification of the above formula for fusion suppression is also proposed for a three-dimensional model.
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