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Type: Journal article
Title: Measurement of the production cross-section of ψ(2S) → J/ψ(→μ+μ−)π+π− in pp collisions at √s = 7 TeV at ATLAS
Other Titles: Measurement of the production cross-section of psi(2S) -> J/psi(-> mu+mu -)pi+pi - in pp collisions at root s = 7 TeV at ATLAS
Author: The ATLAS Collaboration
Aad, G.
Citation: The Journal of High Energy Physics, 2014; 2014(9):1-48
Publisher: Springer
Issue Date: 2014
ISSN: 1029-8479
Statement of
G. Aad … P. Jackson … L. Lee … A. Petridis … N. Soni ... M. White ... et al. (The ATLAS Collaboration)
Abstract: The prompt and non-prompt production cross-sections for ψ(2S) mesons are measured using 2.1 fb−1 of pp collision data at a centre-of-mass energy of 7 TeV recorded by the ATLAS experiment at the LHC. The measurement exploits the ψ(2S) → J/ψ(→ μ+μ−)π+π− decay mode, and probes ψ(2S) mesons with transverse momenta in the range 10 ≤ pT< 100 GeV and rapidity |y| < 2.0. The results are compared to other measurements of ψ(2S) production at the LHC and to various theoretical models for prompt and non-prompt quarkonium production.
Keywords: Hadron-Hadron scattering
Rights: © The Author(s) 2014. Open Access, Copyright CERN, for the benefit of the ATLAS Collaboration. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
DOI: 10.1007/JHEP09(2014)079
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