Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Results of charged pions cross-section in proton carbon interaction at
  31 GeV/c measured with the NA61/SHINE detector   Among other goals, the NA61/SHINE (SHINE=SPS Heavy Ion and Neutrino
Experiment) detector at CERN SPS aims at precision hadro-production
measurements to characterise the neutrino beam of the T2K experiment at J-PARC.
These measurements are performed using a 31 GeV/c proton beam produced at the
SPS with a thin carbon target and a full T2K replica target. Spectra of charged
pion inclusive inelastic cross section were obtained from pilot data collected
in 2007 1 with a 2 cm thick target (4% of the interaction length). The SHINE
detector and its particle identification capabilities are described and the
analysis techniques are briefly discussed.

14
The categories of this paper are: math-ph
20
The categories of this paper are: acc-phys
29
The categories of this paper are: funct-an
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The categories of this paper are: eess
23
The categories of this paper are: solv-int
22
The categories of this paper are: chao-dyn
4
The categories of this paper are: cond-mat
6
The categories of this paper are: astro-ph
9
The categories of this paper are: nlin
10
The categories of this paper are: q-bio
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The categories of this paper are: econ
2
The categories of this paper are: math
13
The categories of this paper are: quant-ph
24
The categories of this paper are: dg-ga
30
The categories of this paper are: q-alg
0
The categories of this paper are: hep-ph