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Measurement of the differential cross-sections of prompt and non-prompt production of $J/\psi $ and $\psi (2\mathrm) in pp collisions at $\sqrt{s} =$ 7 and 8 TeV with the ATLAS detector

Submit Time: 2016-09-12
Author: Aad, Georges and others 1 ;
Institute: 1.ATLAS Collaboration;

Abstracts

The production rates of prompt and non-prompt?J/ψ?and?ψ(2S)?mesons are measured using 2.1?fb?1?and 11.4?fb?1?of data collected with the ATLAS experiment at the LHC, in proton-proton collisions at?s√=7?and 8 TeV respectively. Production cross-sections for both prompt and non-prompt production sources, ratios of?ψ(2S)?to?J/ψproduction, and fractions of non-prompt to inclusive production for?J/ψ?and?ψ(2S)?are measured double-differentially as a function of meson?pT?and rapidity. These measurements are made in a restricted fiducial volume and also corrected for geometrical acceptance after which they are compared to a variety of theoretical predictions.
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Recommended references: Aad, Georges and others.(2016).Measurement of the differential cross-sections of prompt and non-prompt production of $J/\psi $ and $\psi (2\mathrm) in pp collisions at $\sqrt{s} =$ 7 and 8 TeV with the ATLAS detector.[ChinaXiv:201609.00815] (Click&Copy)
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[V1] 2016-09-12 09:01:31 chinaXiv:201609.00815V1 Download
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