Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Measurements of isolated prompt photons in pp collisions at 7 TeV in
  ATLAS   Two recent measurements of the cross section for the inclusive production of
isolated prompt photons in pp collisions at a center-of-mass energy sqrt(s) = 7
TeV are presented. The results are based on data collected in 2010 with the
ATLAS detector at the Large Hadron Collider. The measurements cover the
pseudorapidity ranges |eta(gamma)|<1.37 and 1.52<|eta(gamma)|<2.37 and the
transverse energy range 15 < ET(gamma) < 400 GeV. The measured cross sections
are compared to predictions from next-to-leading-order perturbative QCD
calculations.

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The categories of this paper are: stat
32
The categories of this paper are: atom-ph
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The categories of this paper are: quant-ph
6
The categories of this paper are: astro-ph
29
The categories of this paper are: funct-an
27
The categories of this paper are: comp-gas
4
The categories of this paper are: cond-mat
34
The categories of this paper are: chem-ph
37
The categories of this paper are: supr-con
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The categories of this paper are: econ
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The categories of this paper are: dg-ga
30
The categories of this paper are: q-alg
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The categories of this paper are: hep-th
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The categories of this paper are: patt-sol
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The categories of this paper are: eess
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The categories of this paper are: q-fin