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Type: Journal article
Title: The differential production cross section of the ϕ (1020) meson in √s= 7 TeV pp collisions measured with the ATLAS detector
Other Titles: The differential production cross section of the Phi (1020) meson in root s= 7 TeV pp collisions measured with the ATLAS detector
Author: The ATLAS Collaboration
Aad, G.
Citation: European Physical Journal C: Particles and Fields, 2014; 74(7):1-31
Publisher: Springer
Issue Date: 2014
ISSN: 1434-6044
Statement of
G. Aad … P. Jackson … L. Lee … A. Petridis … N. Soni ... M. White ... et al. (The ATLAS Collaboration)
Abstract: A measurement is presented of the ϕ×BR(ϕ→K+K−) production cross section at s√ = 7 TeV using pp collision data corresponding to an integrated luminosity of 383 μb−1, collected with the ATLAS experiment at the LHC. Selection of ϕ(1020) mesons is based on the identification of charged kaons by their energy loss in the pixel detector. The differential cross section is measured as a function of the transverse momentum, pT,ϕ, and rapidity, yϕ, of the ϕ(1020) meson in the fiducial region 500 <pT,ϕ< 1200 MeV, |yϕ|< 0.8, kaon pT,K> 230 MeV and kaon momentum pK< 800 MeV. The integrated ϕ(1020)-meson production cross section in this fiducial range is measured to be σϕ×BR(ϕ→K+K−) = 570 ± 8 (stat) ± 66 (syst) ± 20 (lumi) μb.
Keywords: ATLAS Collaboration
Rights: © CERN for the benefit of the ATLAS collaboration.This article is published with open access at This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. Funded by SCOAP3 / License Version CC BY 4.0.
DOI: 10.1140/epjc/s10052-014-2895-2
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