THE USE OF RADIOACTIVE NUCLEAR BEAMS TO STUDY THE EQUILIBRATION OF THE N/Z DEGREE-OF-FREEDOM IN INTERMEDIATE-ENERGY HEAVY-ION REACTIONS
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The effect of the neutron to proton ratio of the colliding system on the isotope ratio of the emitted fragments (1 Z 5) was studied for for a variety of constant mass beam-target combinations. To extend the N Z ratio as far as possible, one of the projectiles employed, 40Cl, was a radioactive secondary beam. The isotopic ratios depend on the N Z of the target and beam in a way which is not consistent with N Z> equilibration on the timescale of the emission of intermediate-mass fragments. 1994.