Inclusive production of charged kaons in p+p collisions at 158 GeV/c beam momentum and a new evaluation of the energy dependence of kaon production up to collider energies
The NA49 Collaboration · Anticic, T. · Baatar, B. · Bartke, J. · Betev, L. · Białkowska, H. · Boimska, B. · Bracinik, J. · Cerny, V. · Chvala, O. · Dolejsi, J. · Eckardt, V. · Fischer, H. G. · Fodor, Z. · Gładysz, E. · Kadija, K. · Karev, A. · Kolesnikov, V. · Kowalski, M. · Kreps, M. · Makariev, M. · Malakhov, A. · Mateev, M. · Melkumov, G. · Rybicki, A. · Schmitz, N. · Seyboth, P. · Susa, T. · Szymanski, P. · Trubnikov, V. · Varga, D. · Vesztergombi, G. · Wenig, S.
Original · EN
New data on the production of charged kaons in p+p interactions are presented. The data come from a sample of 4.8 million inelastic events obtained with the NA49 detector at the CERN SPS at 158 GeV/c beam momentum. The kaons are identified by energy loss in a large TPC tracking system. Inclusive invariant cross sections are obtained in intervals from 0 to 1.7 GeV/c in transverse momentum and from 0 to 0.5 in Feynman x. Using these data as a reference, a new evaluation of the energy dependence of kaon production, including neutral kaons, is conducted over a range from 3 GeV to p+anti-p collider energies.
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