Inclusive production of charged pions in p+p collisions at 158 GeV/c beam momentum

被引:118
作者
Alt, C.
Anticic, T.
Baatar, B.
Barna, D.
Bartke, J.
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.
Hoehne, 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.
机构
[1] CERN, Geneva, Switzerland
[2] NIKHEF H, NL-1009 DB Amsterdam, Netherlands
[3] Univ Athens, Dept Phys, Athens, Greece
[4] Comenius Univ, Bratislava, Slovakia
[5] KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary
[6] Inst Nucl Phys, Krakow, Poland
[7] GSI Darmstadt, D-6100 Darmstadt, Germany
[8] Joint Inst Nucl Res, Dubna, Russia
[9] Goethe Univ Frankfurt, Fachbereich Phys, D-6000 Frankfurt, Germany
[10] Jan Kochanowski Univ Humanities & Sci, Inst Phys, Kielce, Poland
[11] Max Planck Inst Phys & Astrophys, Munich, Germany
[12] Charles Univ Prague, Inst Nucl & Particle Phys, Prague, Czech Republic
[13] Pusan Natl Univ, Dept Phys, Pusan 609735, South Korea
[14] Univ Sofia, Dept Atom Phys, BU-1126 Sofia, Bulgaria
[15] Inst Nucl Studies, PL-00681 Warsaw, Poland
[16] Univ Warsaw, Inst Expt Phys, Warsaw, Poland
[17] Rudjer Boskovic Inst, Zagreb, Croatia
来源
EUROPEAN PHYSICAL JOURNAL C | 2006年 / 45卷 / 02期
关键词
D O I
10.1140/epjc/s2005-02391-9
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
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.
引用
收藏
页码:343 / 381
页数:39
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