Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Four Fermion Operator Matching with NRQCD Heavy and AsqTad Light Quarks   We present one-loop matching coefficients between continuum and lattice QCD
for the heavy-light four-fermion operators relevant for neutral B meson mixing
both within and beyond the Standard Model. For the lattice theory we use
nonrelativistic QCD (NRQCD) to describe b quarks and improved staggered
fermions (AsqTad) for light quarks. The gauge action is the tree-level Symanzik
improved gauge action. Matching to full QCD is carried out through order
alpha_s, Lambda_{QCD}/M_b, and alpha_s/(aM_b).

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The categories of this paper are: cond-mat
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The categories of this paper are: patt-sol
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The categories of this paper are: mtrl-th
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The categories of this paper are: acc-phys
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The categories of this paper are: q-alg
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The categories of this paper are: quant-ph
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The categories of this paper are: gr-qc
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The categories of this paper are: hep-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: chem-ph
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The categories of this paper are: q-fin
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The categories of this paper are: dg-ga
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The categories of this paper are: bayes-an
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The categories of this paper are: econ
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The categories of this paper are: solv-int