Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The LHC can probe small x PDFs; the treatment of the infrared region   First, we show how to reduce the sensitivity of the NLO predictions of the
Drell-Yan production of low-mass, lepton-pairs, at high rapidity, to the choice
of factorization scale. In this way, observations of this process at the LHC
can make direct measurements of parton distribution functions in the low x
domain; x < 10^{-4}. Second, we find an inconsistency in the conventional NLO
treatment of the infrared region. We illustrate the problem using the NLO
coefficient function of Drell-Yan production.

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The categories of this paper are: stat
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The categories of this paper are: acc-phys
28
The categories of this paper are: alg-geom
3
The categories of this paper are: physics
31
The categories of this paper are: ao-sci
7
The categories of this paper are: hep-th
10
The categories of this paper are: q-bio
36
The categories of this paper are: cmp-lg
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The categories of this paper are: supr-con
9
The categories of this paper are: nlin
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The categories of this paper are: hep-lat
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The categories of this paper are: q-fin
35
The categories of this paper are: mtrl-th
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The categories of this paper are: nucl-th
8
The categories of this paper are: hep-ex
5
The categories of this paper are: gr-qc