Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Production of charged pions, kaons and protons in e+e- annihilations
  into hadrons at sqrt{s} = 10.54 GeV   Inclusive production cross sections of $\pi^\pm$, $K^\pm$ and $p\bar{p}$ per
hadronic $e^+e^-$ annihilation event in $e^+e^-$ are measured at a
center-of-mass energy of 10.54 GeV, using a relatively small sample of very
high quality data from the BaBar experiment at the PEP-II $B$-factory at the
SLAC National Accelerator Laboratory. The drift chamber and Cherenkov detector
provide clean samples of identified $\pi^\pm$, $K^\pm$ and $p\bar{p}$ over a
wide range of momenta. Since the center-of-mass energy is below the threshold
to produce a $B\bar{B}$ pair, with $B$ a bottom-quark meson, these data
represent a pure $e^+e^- \rightarrow q\bar{q}$ sample with four quark flavors,
and are used to test QCD predictions and hadronization models. Combined with
measurements at other energies, in particular at the $Z^0$ resonance, they also
provide precise constraints on the scaling properties of the hadronization
process over a wide energy range.

37
The categories of this paper are: supr-con
10
The categories of this paper are: q-bio
3
The categories of this paper are: physics
31
The categories of this paper are: ao-sci
26
The categories of this paper are: bayes-an
23
The categories of this paper are: solv-int
25
The categories of this paper are: patt-sol
14
The categories of this paper are: math-ph
18
The categories of this paper are: econ
34
The categories of this paper are: chem-ph
19
The categories of this paper are: eess
0
The categories of this paper are: hep-ph
13
The categories of this paper are: quant-ph
32
The categories of this paper are: atom-ph
24
The categories of this paper are: dg-ga
2
The categories of this paper are: math