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Momentum distribution of fragments in heavy-ion reactions: Dependence on the stochastic collision process
The momentum distribution of fragments produced in the $^{12}\mathrm{C}$ + $^{12}\mathrm{C}$ reaction at 28.7 MeV/nucleon is analyzed with an antisymmetrized version of molecular dynamics. Calculations are made for several cases of stochastic collisions and the projectile-fragmentation peak in the momentum distribution is reproduced by the incorporation of the many-body nature …