Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Anomalous Quartic Couplings in $\nu \bar{\nu} \gamma \gamma$ Production
  via WW-Fusion at LEP2   The production of $\nu \bar{\nu} \gamma \gamma$ in high-energy $e^+e^-$
collisions offers a window on anomalous quartic gauge boson couplings. We
investigate the effect of two possible anomalous couplings on the cross section
for $\nu \bar{\nu} \gamma \gamma$ production via $WW$-fusion at LEP2 ($\sqrt{s}
= 200$ GeV).

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The categories of this paper are: plasm-ph
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The categories of this paper are: cond-mat
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The categories of this paper are: ao-sci
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The categories of this paper are: acc-phys
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The categories of this paper are: mtrl-th
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The categories of this paper are: adap-org
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The categories of this paper are: quant-ph
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The categories of this paper are: bayes-an
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The categories of this paper are: funct-an
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The categories of this paper are: math
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The categories of this paper are: comp-gas
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The categories of this paper are: hep-th
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The categories of this paper are: alg-geom
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The categories of this paper are: patt-sol
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The categories of this paper are: hep-lat
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The categories of this paper are: gr-qc