EPJ Web of Conferences
Volume 28, 2012Hadron Collider Physics Symposium, 2011
|Number of page(s)||3|
|Published online||06 June 2012|
Quarkonium production at ATLAS
Department of Physics, Indiana University, Bloomington, IN 47405, USA.
a e-mail: Darren.Price@cern.ch
The production of quarkonium is an important testing ground for QCD calculations. The J/ψ and γ production cross-sections are measured in proton-proton collisions at a centre-of-mass energy of 7 TeV with the ATLAS detector at the LHC. Differential cross-sections are presented as a function of transverse momentum and rapidity. The fraction of J/ψ produced in B-hadron decays is also measured and the differential cross-sections of prompt and non-prompt J/ψ production determined separately. Measurements of the fiducial production crosssection of the γ(1S) and observation of the χc,bJ states are also discussed.
© Owned by the authors, published by EDP Sciences, 2012
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