Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Inclusive B \to sg decay in QCD   The inclusive nonleptonic transition rate of B meson in gluonic penguin
channel is calculated in QCD using the heavy quark mass expansion. We found the
branching ratio to be approximately 0.25%.

21
The categories of this paper are: adap-org
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The categories of this paper are: q-bio
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The categories of this paper are: hep-th
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The categories of this paper are: econ
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The categories of this paper are: nlin
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The categories of this paper are: nucl-th
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The categories of this paper are: quant-ph
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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: nucl-ex
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The categories of this paper are: chem-ph
2
The categories of this paper are: math
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The categories of this paper are: bayes-an
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The categories of this paper are: q-alg
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The categories of this paper are: atom-ph
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The categories of this paper are: q-fin