Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/101865
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Type: Journal article
Title: Measurement of hard double-parton interactions in W(>lv) + 2-jet events at √s = 7 TeV with the ATLAS detector
Other Titles: Measurement of hard double-parton interactions in W(>lv) + 2-jet events at root s = 7 TeV with the ATLAS detector
Author: Aad, G.
others,
Citation: New Journal of Physics, 2013; 15(3):033038-1-033038-39
Publisher: IOP Publishing
Issue Date: 2013
ISSN: 1367-2630
1367-2630
Statement of
Responsibility: 
G. Aad … P. Jackson … L. Lee … A. Petridis … N. Soni … M.J. White … et al. [ATLAS Collaboration]
Abstract: The production of W bosons in association with two jets in proton–proton collisions at a centre-of-mass energy of √s = 7 has been analysed for the presence of double-parton interactions using data corresponding to an integrated luminosity of 36 pb⁻¹, collected with the ATLAS detector at the Large Hadron Collider. The fraction of events arising from double-parton interactions, f(D)DP, has been measured through the pT balance between the two jets and amounts to f(D)DP = 0.08 ± 0.01(stat.) ± 0.02 (sys.) for jets with transverse momentum pT> 20 GeV and rapidity |y| <2.8. This corresponds to a measurement of the effective area parameter for hard double-parton interactions of σeff = 15 ± 3 (stat.)+5−3 (sys.) mb.
Rights: © CERN 2013 for the benefit of the ATLAS Collaboration, published under the terms of the Creative Commons Attribution 3.0 licence by IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. Any further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation and DOI.
DOI: 10.1088/1367-2630/15/3/033038
Grant ID: ARC
Published version: http://dx.doi.org/10.1088/1367-2630/15/3/033038
Appears in Collections:Aurora harvest 7
Chemistry and Physics publications

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