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, J., Betev, L., Biakowska, 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., Hohne, 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., Mrowczynski, S., Palla, G., Panayotov, D., Petridis, A., Renfordt, R., Rybczynski, M., Rybicki, A., Sandoval, A., Schmitz, N., Schuster, T., Seyboth, P., Sikler, F., Skrzypczak, E., Stefanek, G., Stock, R., Strobele, H., Susa, T., Sziklai, J., Szymanski, P., Trubnikov, V., Varga, D., Vassiliou, M., Veres, G.I., Vesztergombi, G., Vranic, D., Wenig, S., Wetzler, A., Wlodarczyk, Z., Yoo, I.K.
Lenguaje:eng
Publicado: 2005
Materias:
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1140/epjc/s2005-02391-9
http://cds.cern.ch/record/892908
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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