Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On the Effect of Asymmetric Strange Seas and Isospin-Violating Parton
  Distribution Functions on sin2thetaW Measured at NuTeV   The NuTeV collaboration recently reported a value of sin2thetaW measured in
neutrino-nucleon scattering that is 3 standard deviations above the standard
model prediction. This result is derived assuming that (1) the strange sea is
quark-antiquark symmetric, s(x)=sbar(x), and (2) up and down quark
distributions are symmetric under the simultaneous interchange of u<->d and
p<->n. We report the impact of violations of these symmetries on sin2thetaW and
discuss the theoretical and experimental constraints on such asymmetries.

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The categories of this paper are: plasm-ph
24
The categories of this paper are: dg-ga
4
The categories of this paper are: cond-mat
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The categories of this paper are: q-fin
6
The categories of this paper are: astro-ph
3
The categories of this paper are: physics
12
The categories of this paper are: nucl-th
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The categories of this paper are: chao-dyn
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The categories of this paper are: hep-lat
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The categories of this paper are: cmp-lg
15
The categories of this paper are: nucl-ex
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The categories of this paper are: solv-int
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The categories of this paper are: supr-con
0
The categories of this paper are: hep-ph
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The categories of this paper are: comp-gas
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The categories of this paper are: q-alg