Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Forward-backward asymmetries in (Lambda_b -> Lambda l^+ l^-) decay
  beyond the standard model   We study the doubly-polarized lepton pair forward-backward asymmetries in
(Lambda_b -> Lambda l^+ l^-) decay using a general, model independent form of
the effective Hamiltonian. We present the general expression for nine
double-polarization forward-backward asymmetries. It is observed that, the
study of the forward-backward asymmetries of the doubly-polarized lepton pair
is a very useful tool for establishing new physics beyond the standard model.
Moreover, the correlation between forward-backward asymmetry and branching
ratio is investigated. It is shown that there exist certain certain regions of
the new Wilson coefficients where new physics can be established by measuring
the polarized forward-backward asymmetry only.

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The categories of this paper are: gr-qc
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The categories of this paper are: eess
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The categories of this paper are: q-fin
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The categories of this paper are: cmp-lg
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The categories of this paper are: comp-gas
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The categories of this paper are: funct-an
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The categories of this paper are: stat
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The categories of this paper are: dg-ga
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The categories of this paper are: patt-sol
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The categories of this paper are: atom-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: hep-ex
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The categories of this paper are: bayes-an
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The categories of this paper are: hep-lat
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The categories of this paper are: cs
34
The categories of this paper are: chem-ph