Abstract
= 15.1 +- 0.2. The quantity R/sub A/, defined as the ratio of created charged particles in p-nucleus and p-p collisions, is consistent with the relation R/sub A/ = A/sup 0//sup .//sup 19/. While the width of the shower-particle distribution as measured by the dispersion D is greater at 300 GeV than at 200 GeV, the value of /D is about 1.68 at both energies. The average number of slow charged particles resulting from the evaporation of the target nucleus remains virtually unchanged at the two energies. The angular distributions of shower particles plotted in terms of eta = -ln tan(theta/2) show that, for a given nucleus, there are more particles at smaller angles at the higher energy, while there is no change in the distribution at large angles. In addition, for a given energy, the number of shower particles at larger angles increases with increasing size of the target nucleus.
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