QCD corrections to $J/ψ$ production in association with a $W$-boson at the LHC

Details QCD corrections to $J/ψ$ production in association with a $W$-boson at the LHC QCD corrections to $J/ψ$ production in association with a $W$-boson at the LHC

2010-12-17

arxiv.org/abs/1012.3798v1

Phys.Rev.D83:014001,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 page revtex, 4 eps figures, to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.83.014001

We calculate the next-to-leading order (NLO) QCD corrections to the $J/\psi +W$ production at the LHC, and provide the theoretical distribution of the $J/\psi$ transverse momentum. Our results show that the differential cross section $\frac{d\sigma}{dp_T^{J/\psi}}$ at the LO is significantly enhanced by the NLO QCD corrections. We believe that the comparison between the theoretical predictions for the $J/\psi+W$ production and the experimental data at the LHC can provide a verification for the colour-octet mechanism of non-relativistic QCD in the description of the processes involving heavy quarkonium.

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