Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Transverse momentum dependent forward neutron single spin asymmetries in
  transversely polarized $p$$+$$p$ collisions at $\sqrt{s}=200$ GeV   In 2015, the PHENIX collaboration has measured very forward ($\eta>6.8$)
single-spin asymmetries of inclusive neutrons in transversely polarized
proton-proton and proton-nucleus collisions at a center of mass energy of 200
GeV. A previous publication from this data set concentrated on the nuclear
dependence of such asymmetries. In this measurement the explicit
transverse-momentum dependence of inclusive neutron single spin asymmetries for
proton-proton collisions is extracted using a bootstrapping-unfolding technique
on the transverse momenta. This explicit transverse-momentum dependence will
help improve the understanding of the mechanisms that create these asymmetries.

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The categories of this paper are: alg-geom
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The categories of this paper are: hep-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: comp-gas
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The categories of this paper are: q-fin
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The categories of this paper are: astro-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: funct-an
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The categories of this paper are: gr-qc
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The categories of this paper are: solv-int
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The categories of this paper are: q-alg
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The categories of this paper are: physics
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The categories of this paper are: nucl-th
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The categories of this paper are: cmp-lg
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The categories of this paper are: bayes-an
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The categories of this paper are: math