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Composition of particles emitted at largep T and medium angles inpp, dd, andαα collisions at the CERN intersecting storage rings

1986; Springer Nature; Volume: 30; Issue: 4 Linguagem: Inglês

10.1007/bf01571797

1431-5858

A. Breakstone, G. Claesson, H. B. Crawley, G. M. Dallavalle, K. Doroba, D. Drijard, F. Fabbri, A. Firestone, M.A. Faessler, Hubertus Fischer, S. Y. Fung, S. Garpman, W. Geist, P. Giacomelli, R. Gokieli, M. Gorbics, C. Gruhn, P. Hanke, M. Heiden, W. Herr, T. J. Ketel, E.-E. Kluge, J. Lamsa, T. Lohse, I. Lund, R. Mankel, W. T. Meyer, G. Mornacchi, T. Nakada, I. Otterlund, M. Panter, H.G. Pugh, A. Putzer, K. Rauschnabel, B. Rensch, F. Rimondi, M. Schmelling, G. P. Siroli, R. Sosnowski, E. Stenlund, M. Szczekowski, R. Szwed, O. Ullaland, R. Walczak, D. Wegener, M. Wunsch,

Quantum Chromodynamics and Particle Interactions

The relative yields of kaons and protons compared with the yield of pions at highp T and polar angles θ away from 90° (in the range from 10° to 45°) are presented forpp, dd, and αα interactions at a centre-of-mass energy $$\sqrt {s_{NN} } = 31$$ GeV per nucleon-nucleon collision. The measured particle ratios depend on the atomic mass numberA of the beam particles and on θ. TheA dependence of the ratios becomes stronger for largerp T and is more pronounced at smaller polar angles.