1976•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Open access

Energy and target dependence of the pseudo-rapidity distributions in pion- and proton-nucleus collisions at Fermilab energies

W. Busza, D. Luckey, Lawrence G. Votta, C. J. S. Young, C.H. Halliwell, J.E. Elias

Abstract

Multiparticle production in hadron-nucleus collisions has been studied using hodoscope arrays. Data on angular distributions were collected for incident ..pi../sup + -/, K/sup + -/, and P/sup + -/ at 50, 100, and 200 GeV with targets ranging from hydrogen through uranium. The extent in pseudo-rapidity of particles produced in the target fragmentation region increases with energy. Proton and pion induced reactions exhibit different behavior for the same target nucleus. However, for target nuclei with identical values of ..nu..bar, (where ..nu..bar is the average thickness in units of the mean free path of the incident particle) the behavior is similar. Pseudo-rapidity distributions are compared with theoretical models.

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Key concepts: Rapidity, Physics, Nuclear physics, Pion, Hadron, Hodoscope, Proton, Fragmentation (computing)