Inclusive production of protons, anti-protons and neutrons in p+p collisions at 158 GeV/c beam momentum

被引：0
|
作者：
T. Anticic
B. Baatar
J. Bartke
L. Betev
H. Białkowska
C. Blume
B. Boimska
J. Bracinik
V. Cerny
O. Chvala
J. Dolejsi
V. Eckardt
H. G. Fischer
Z. Fodor
P. Foka
V. Friese
M. Gaździcki
C. Höhne
K. Kadija
A. Karev
V. Kolesnikov
M. Kowalski
M. Kreps
M. Makariev
A. Malakhov
M. Mateev
G. Melkumov
M. Mitrovski
S. Mrówczyński
R. Renfordt
M. Rybczyński
A. Rybicki
A. Sandoval
N. Schmitz
P. Seyboth
G. Stefanek
R. Stock
H. Ströbele
T. Susa
P. Szymanski
V. Trubnikov
D. Varga
G. Vesztergombi
D. Vranić
S. Wenig
Z. Włodarczyk
A. Wojtaszek
机构：
[1] Comenius University,H. Niewodniczański Institute of Nuclear Physics
[2] Eötvös Loránt University,Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics
[3] KFKI Research Institute for Particle and Nuclear Physics,Atomic Physics Department
[4] Polish Academy of Sciences,Institute for Nuclear Research and Nuclear Energy
[5] Gesellschaft für Schwerionenforschung (GSI),undefined
[6] Joint Institute for Nuclear Research,undefined
[7] Fachbereich Physik der Universität,undefined
[8] CERN,undefined
[9] Institute of Physics Świętokrzyska Academy,undefined
[10] Max-Planck-Institut für Physik,undefined
[11] Charles University,undefined
[12] Sofia University St. Kliment Ohridski,undefined
[13] BAS,undefined
[14] Institute for Nuclear Studies,undefined
[15] Rudjer Boskovic Institute,undefined
来源：
The European Physical Journal C | 2010年 / 65卷
关键词：
Transverse Momentum; Neutron Yield; Inelastic Cross Section; Beam Momentum; Double Differential Cross Section;
D O I：
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中图分类号：
学科分类号：
摘要：
New data on the production of protons, anti-protons and neutrons 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 charged baryons are identified by energy loss measurement in a large TPC tracking system. Neutrons are detected in a forward hadronic calorimeter. Inclusive invariant cross sections are obtained in intervals from 0 to 1.9 GeV/c (0 to 1.5 GeV/c) in transverse momentum and from −0.05 to 0.95 (−0.05 to 0.4) in Feynman x for protons (anti-protons), respectively. pT integrated neutron cross sections are given in the interval from 0.1 to 0.9 in Feynman x. The data are compared to a wide sample of existing results in the SPS and ISR energy ranges as well as to proton and neutron measurements from HERA and RHIC.
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页码：9 / 63
页数：54
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