Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Single Spin Asymmetry in Inclusive Hadron Production in pp Scattering
  from Collins Mechanism   We study the Collins mechanism contribution to the single transverse spin
asymmetry in inclusive hadron production in pp scattering p^{\uparrow}p\to \pi
X from the leading jet fragmentation. The azimuthal asymmetric distribution of
hadron in the jet leads to a single spin asymmetry for the produced hadron in
the Lab frame. The effect is evaluated in a transverse momentum dependent model
that takes into account the transverse momentum dependence in the fragmentation
process. We find the asymmetry is comparable in size to the experimental
observation at RHIC at \sqrt{s}=200 GeV.

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The categories of this paper are: chao-dyn
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The categories of this paper are: plasm-ph
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The categories of this paper are: econ
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The categories of this paper are: bayes-an
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The categories of this paper are: supr-con
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The categories of this paper are: chem-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: q-fin
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The categories of this paper are: cs
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The categories of this paper are: solv-int
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The categories of this paper are: hep-th
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The categories of this paper are: eess
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The categories of this paper are: nucl-th
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The categories of this paper are: nlin
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The categories of this paper are: q-bio
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The categories of this paper are: astro-ph