Abstract
The differential cross sections and the mean energy losses of fast protons in the reactions p+3H to pF+X and p+3He to pF+X are investigated using the ITEP 80 cm liquid-hydrogen bubble chamber exposed to beams of 2.5 GeV/c tritons (the kinetic energy of initial protons in the nuclear rest frame is Tp=0.318 GeV) and 5 GeV/c 3He nuclei (Tp=0.978 GeV). The experimental results are compared with predictions based on the sum rules for the differential cross sections and the mean energy losses which are valid in the Glauber-Sitenko multiple scattering theory when the completeness condition for the wavefunctions of the excited nuclear states and the locality of the nuclear potential are used. The data at 2.5 GeV/c are found to be in good agreement with the theory. The discrepancies between the Glauber sum-rule predictions and the data on 3He-p scattering at 5 GeV/c are explained by the effects of intermediate Delta -isobar production. Possible six-quark bag admixture in 3H or 3He nuclei is found to be not more than 5%.
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