Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Measurement of single charged pion production in the charged-current
  interactions of neutrinos in a 1.3 GeV wide band beam   Single charged pion production in charged-current muon neutrino interactions
with carbon is studied using data collected in the K2K long-baseline neutrino
experiment. The mean energy of the incident muon neutrinos is 1.3 GeV. The data
used in this analysis are mainly from a fully active scintillator detector,
SciBar. The cross section for single $\pi^{+}$ production in the resonance
region ($W<2$ GeV/$c^2$) relative to the charged-current quasi-elastic cross
section is found to be 0.734 $^{+0.140}_{-0.153}$. The energy-dependent cross
section ratio is also measured. The results are consistent with a previous
experiment and the prediction of our model.

16
The categories of this paper are: stat
35
The categories of this paper are: mtrl-th
24
The categories of this paper are: dg-ga
34
The categories of this paper are: chem-ph
13
The categories of this paper are: quant-ph
29
The categories of this paper are: funct-an
10
The categories of this paper are: q-bio
9
The categories of this paper are: nlin
28
The categories of this paper are: alg-geom
14
The categories of this paper are: math-ph
20
The categories of this paper are: acc-phys
15
The categories of this paper are: nucl-ex
1
The categories of this paper are: cs
27
The categories of this paper are: comp-gas
25
The categories of this paper are: patt-sol
12
The categories of this paper are: nucl-th