Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Inclusive production of protons, anti-protons and neutrons in p+p
  collisions at 158 GeV/c beam momentum   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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The categories of this paper are: cond-mat
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The categories of this paper are: math-ph
17
The categories of this paper are: q-fin
12
The categories of this paper are: nucl-th
9
The categories of this paper are: nlin
26
The categories of this paper are: bayes-an
13
The categories of this paper are: quant-ph
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The categories of this paper are: eess
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The categories of this paper are: hep-th
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The categories of this paper are: hep-lat
18
The categories of this paper are: econ
31
The categories of this paper are: ao-sci
27
The categories of this paper are: comp-gas
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The categories of this paper are: mtrl-th
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The categories of this paper are: supr-con
10
The categories of this paper are: q-bio