Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Chiral-Odd and Spin-Dependent Quark Fragmentation Functions and their
  Applications   We define a number of quark fragmentation functions for spin-0, -1/2 and -1
hadrons, and classify them according to their twist, spin and chirality. As an
example of their applications, we use them to analyze semi-inclusive
deep-inelastic scattering on a transversely polarized nucleon.

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The categories of this paper are: hep-ex
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The categories of this paper are: dg-ga
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The categories of this paper are: cmp-lg
1
The categories of this paper are: cs
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The categories of this paper are: astro-ph
28
The categories of this paper are: alg-geom
22
The categories of this paper are: chao-dyn
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The categories of this paper are: ao-sci
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The categories of this paper are: nlin
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The categories of this paper are: acc-phys
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The categories of this paper are: math-ph
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The categories of this paper are: solv-int
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The categories of this paper are: adap-org
10
The categories of this paper are: q-bio
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The categories of this paper are: comp-gas
34
The categories of this paper are: chem-ph