Inclusive Production of Charged Pions in $p^+ p$ Collisions at 158 GeV/c Beam Momentum

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New results on the production of charged pions 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. Pions are identified by energy loss measurement in a large TPC tracking system whi...

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Detalles Bibliográficos
Autores principales: Alt, C, Anticic, T, Baatar, B, Barna, D, Bartke, Jerzy, Betev, L, Bialkowska, H, Blume, C, Boimska, B, Botje, M, Bracinik, J, Buncic, P, Cerny, V, Christakoglou, P, Chvala, O, Dinkelaker, P, Dolejsi, J, Eckardt, V, Fischer, H G, Flierl, D, Fodor, Z, Foka, P, Friese, V, Gazdzicki, M, Grebieszkow, K, Höhne, C, Kadija, K, Karev, A, Kliemant, M, Kniege, S, Kolesnikov, V I, Kornas, E, Korus, R, Kowalski, M, Kraus, I, Kreps, M, Van Leeuwen, M, Lungwitz, B, Makariev, M, Malakhov, A I, Mateev, M, Melkumov, G L, Mitrovski, M, Mrówczynski, S, Pálla, G, Panayotov, D, Petridis, A, Renfordt, R, Rybczynski, M, Rybicki, A, Sandoval, A, Schmitz, N, Schuster, T, Seyboth, P, Siklér, F, Skrzypczak, E, Stefanek, G, Stock, R, Ströbele, H, Susa, T, Sziklai, J, Szymanski, P, Trubnikov, V, Varga, D, Vassiliou, Maria, Veres, G I, Vesztergombi, G, Vranic, D, Wenig, S, Wetzler, A, Wodarczyk, Z, Yoo, I K
Lenguaje:eng
Publicado: 2005
Materias:
Particle Physics - Experiment
Acceso en línea:http://cds.cern.ch/record/903264
Descripción
Sumario:New results on the production of charged pions 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. Pions are identified by energy loss measurement in a large TPC tracking system which covers a major fraction of the production phase space. Inclusive invariant cross sections are given on a grid of nearly 300 bins per charge over intervals from 0 to 2 GeV/c in transverse momentum and from 0 to 0.85 in Feynman x. The results are compared to existing data in overlapping energy ranges

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