PRE-EQUILIBRIUM EMISSION OF PARTICLES IN TIME-DEPENDENT HARTREE-FOCK CALCULATIONS OF O-16 + NB-93 COLLISIONS
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abstract
Prompt emission of nucleons is observed in time-dependent Hartree-Fock calculations of O16+Nb93 collisions. These nucleons are emitted in the forward direction in about 210s-22 after the contact of the ions, with a mean velocity somewhat less than the beam velocity. At E(lab)=204 MeV, the estimated total nucleon cross section is 230 mb. For central collisions a lower energy threshold of 130 MeV is established. Force dependence of the results is studied in detail. NUCLEAR REACTIONS O16(Nb93, x) in time-dependent Hartree-Fock approximation. Energy and angular momentum dependence and effect of nuclear interaction on preequilibrium emission of particles. 1982 The American Physical Society.