Abstract
The antiproton-nucleus annihilation at rest is studied with an intranuclear cascade (INC) model plus an evaporation-fission competition model. The relevance of the distribution of annihilation sites is discussed. The mass yield is calculated and compared with experiment. The relatively high probability of soft events leading to a residue differing from the target by one unit is stressed. The average mass loss for 98Mo and 165Ho is well reproduced. For the 238U, the fission probability, the average number of evaporated neutrons before fission and the neutron energy spectrum are calculated. The latter is compared with a recent measurement.
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