学術雑誌論文 Measurement of the differential cross-sections of prompt and non-prompt production of J/ψ and ψ(2S) in pp collisions at s√=7 and 8 TeV with the ATLAS detector

ATLAS Collaboration  ,  Hara, K.  ,  Kim, S. H.  ,  Okawa, H.  ,  Sato, K.  ,  FUkegawa, F.

76 ( 5 )  , p.283 , 2016-05 , Springer Berlin Heidelberg
ISSN:1434-6044
NII書誌ID(NCID):AA11188397
内容記述
The production rates of prompt and non-prompt J/ψ and ψ(2S) mesons in their dimuon decay modes are measured using 2.1 and 11.4 fb−1 of data collected with the ATLAS experiment at the Large Hadron Collider, in proton–proton collisions at s√=7 and 8 respectively. Production cross-sections for prompt as well as non-prompt sources, ratios of ψ(2S) to J/ψ production, and the fractions of non-prompt production for J/ψ and ψ(2S) are measured as a function of meson transverse momentum and rapidity. The measurements are compared to theoretical predictions.
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