1985•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Requires access
Mechanisms of cumulative-proton production in pion-nucleus interactions at 5 GeV/c. Phenomenological analysis
O.B. Abdinov, A.A. Bairamov, Yu.A. Budagov, А.М. Дворник, Yu.F. Lomakin, A.A. Mailov, V.B. Flyagin, Y. N. Kharzheev
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Abstract
We have obtained the contributions of individual mechanisms to the production of cumulative protons in C interactions at 5 GeV/c in the framework of the cascade-evaporative model. Independently we have evaluated from experiment the contribution of the reaction ''d'' parrow-down/sub back/ p to the production of cumulative protons sigma = 1.5 +- 0.4 mb. We have obtained the separation angle of the two protons (one of which is emitted into the backward hemisphere in the lab) as a function of the sum of their kinetic energies T/sub 2p/ in pion-carbon and pion-Freon (A-barroughly-equal24) interactions. In the region 0.19 < T/sub 2p/ < 0.26 GeV we observe a characteristic maximum due to the absorption of slow pions.