Differential cross-section measurements of D ± and D s ± meson production in proton-proton collisions at s = 13 TeV with the ATLAS detector
Journal of High Energy Physics Springer 2025:7 (2025) 86
Abstract:
The production of D± and Ds± charmed mesons is measured using the D±/Ds±→ ϕ(μμ)π± decay channel with 137 fb−1 of s = 13 TeV proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider during the years 2016–2018. The charmed mesons are reconstructed in the range of transverse momentum 12 < pT < 100 GeV and pseudorapidity |η| < 2.5. The differential cross-sections are measured as a function of transverse momentum and pseudorapidity, respectively, and compared with next-to-leading- order QCD predictions. The predictions are found to be consistent with the measurements in the visible kinematic region within the large theoretical uncertainties.Evidence for the dimuon decay of the Higgs boson in pp collisions with the ATLAS detector
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