Abstract
The first observation of the production of a prompt J/ψ meson in association with a W± boson in the W± → μ±n and J/ψ → μ+μ decay modes is reported. The analysis is based on a dataset collected in the year 2011 by the ATLAS detector in √ s = 7 TeV pp collisions at the LHC, corresponding to 4.5 fb-1. The W+ prompt J=y cross section is measured relative to the inclusiveWψ cross section. The results are compared to theoretical predictions to probe different mechanisms of charmonium production in hadronic collisions.
| Original language | English |
|---|---|
| Article number | 165 |
| Journal | Proceedings of Science |
| Volume | 28-April-2014 |
| State | Published - 2014 |
| Event | 22nd International Workshop on Deep Inelastic Scattering and Related Subjects, DIS 2014 - Warsaw, Poland Duration: Apr 28 2014 → May 2 2014 |
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