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Measurement of the production cross section of prompt J/ψ mesons in association with a W± boson in pp collisions at p s = 7 TeV with the ATLAS detector

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Academic year: 2020

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Figure

Figure 1. Two-dimensional plot of W ± + J/ψ candidates in pseudo-proper time versus µ+µ−invariant mass in the considered region of J/ψ rapidity (|yJ/ψ| < 2.1) and transverse momentum(8.5 < pJ/ψT< 30 GeV)
Figure 2. Projections in (a) invariant mass and (b) pseudo-proper time of the two-dimensionalmass-pseudo-proper time fit used to extract the prompt J/ψ candidates in the full rapidity region(|yJ/ψ| < 2.1)
Figure 3.(a) Unit-normalized templates for W boson transverse mass mT(W) for multi-jetbackground and W ± boson signal
Figure 4. The sPlot-weighted azimuthal angle between the W ± and the J/ψ is shown for W ± +prompt J/ψ candidates
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