Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/123782
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Type: Journal article
Title: Study of the hard double-parton scattering contribution to inclusive four-lepton production in pp collisions at √s = 8 TeV with the ATLAS detector
Other Titles: Study of the hard double-parton scattering contribution to inclusive four-lepton production in pp collisions at root s = 8 TeV with the ATLAS detector
Author: Aaboud, M.
Aad, G.
Abbott, B.
Abdinov, O.
Abeloos, B.
Abhayasinghe, D.
Abidi, S.
AbouZeid, O.
Abraham, N.
Abramowicz, H.
Abreu, H.
Abulaiti, Y.
Acharya, B.
Adachi, S.
Adam, L.
Adamczyk, L.
Adelman, J.
Adersberger, M.
Adiguzel, A.
Adye, T.
et al.
Citation: Physics Letters B, 2019; 790:595-614
Publisher: Elsevier
Issue Date: 2019
ISSN: 0370-2693
1873-2445
Statement of
Responsibility: 
M. Aaboud … A. Duvnjak … P. Jackson … J.L. Oliver … A. Petridis … A. Qureshi … A.S. Sharma … M.J. White … et al. [The ATLAS Collaboration]
Abstract: The inclusive production of four isolated charged leptons in pp collisions is analysed for the presence of hard double-parton scattering, using 20.2 fb⁻¹ of data recorded in the ATLAS detector at the LHC at centre-of-mass energy √s = 8 TeV. In the four-lepton invariant-mass range of 80 < m₄l < 1000 GeV, an artificial neural network is used to enhance the separation between single-and double-parton scattering based on the kinematics of the four leptons in the final state. An upper limit on the fraction of events originating from double-parton scattering is determined at 95% confidence level to be ƒDPS=0.042, which results in an estimated lower limit on the effective cross section at 95% confidence level of 1.0 mb
Keywords: Four-lepton production; Double Drell–Yan; Double parton-scattering; Higgs golden decay channel
Rights: ©2019 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP³.
RMID: 0030108564
DOI: 10.1016/j.physletb.2019.01.062
Appears in Collections:Physics publications

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