Abstract
The associated production of vector boson with quarkonia is a key observable for understanding the quarkonium production mechanisms, including the separation of single and double parton scattering components. Using data collected by the ATLAS experiment, located at the LHC, measurements of prompt and non-prompt $J/\psi$ and $\psi(2S)$ mesons with $p_{\text{T}}$ between 60--360 GeV is reported at $\sqrt{s}$= 13 TeV in $pp$ collisions. A measurement of the production of a prompt $J/\psi$ in association with a $W^{\pm}$ boson is presented at $\sqrt{s}$=8 TeV in $pp$ collisions.
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