Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Lepton energy moments in semileptonic charm decays   We search for signals of Weak Annihilation in inclusive semileptonic D
decays. We consider both the widths and the lepton energy moments, which are
quite sensitive probes. Our analysis of Cleo data shows no clear evidence of
Weak Annihilation, and allows us to put bounds on their relevance in charmless
B semileptonic decays.

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The categories of this paper are: q-bio
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The categories of this paper are: chao-dyn
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The categories of this paper are: chem-ph
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The categories of this paper are: alg-geom
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The categories of this paper are: hep-th
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The categories of this paper are: dg-ga
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The categories of this paper are: hep-lat
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The categories of this paper are: q-alg
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The categories of this paper are: adap-org
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The categories of this paper are: solv-int
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The categories of this paper are: astro-ph
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The categories of this paper are: math
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The categories of this paper are: atom-ph
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The categories of this paper are: q-fin
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The categories of this paper are: eess
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The categories of this paper are: funct-an