Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Heavy-to-light semileptonic decays of Lambda_b and Lambda_c baryons in
  the covariant confined quark model   We present a detailed analysis of the heavy-to-light semileptonic decays of
the Lambda_b and Lambda_c baryons Lambda_b -> p l- bar(nu)_l and Lambda_c -> n
l+ nu_l in the covariant confined quark model. We calculate the invariant and
helicity amplitudes of the two processes which are then used to analyze their
angular decay distributions, their rates and asymmetry parameters.

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The categories of this paper are: hep-ex
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The categories of this paper are: cmp-lg
32
The categories of this paper are: atom-ph
23
The categories of this paper are: solv-int
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The categories of this paper are: hep-th
31
The categories of this paper are: ao-sci
5
The categories of this paper are: gr-qc
35
The categories of this paper are: mtrl-th
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The categories of this paper are: hep-lat
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The categories of this paper are: stat
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The categories of this paper are: chao-dyn
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The categories of this paper are: q-fin
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The categories of this paper are: chem-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: q-bio
14
The categories of this paper are: math-ph