Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Charmed-Bottom Mesons from Lattice QCD   We present ground state spectra of mesons containing a charm and a bottom
quark. For the charm quark we use overlap valence quarks while a
non-relativistic formulation is utilized for the bottom quark on a background
of 2+1+1 flavors HISQ gauge configurations generated by the MILC collaboration.
The hyperfine splitting between $1S$ states of $B_c$ mesons is found to be
$56^{+4}_{-3}$ MeV. We also study the baryons containing only charm and bottom
quarks and predict their ground state masses. Results are obtained at three
lattice spacings.

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The categories of this paper are: nucl-ex
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The categories of this paper are: hep-th
27
The categories of this paper are: comp-gas
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The categories of this paper are: adap-org
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The categories of this paper are: stat
4
The categories of this paper are: cond-mat
3
The categories of this paper are: physics
30
The categories of this paper are: q-alg
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The categories of this paper are: ao-sci
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The categories of this paper are: astro-ph
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The categories of this paper are: chem-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: quant-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: nlin
33
The categories of this paper are: plasm-ph