Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/123481
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Type: Journal article
Title: Measurement of the four-lepton invariant mass spectrum in 13 TeV proton-proton collisions 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: Journal of High Energy Physics, 2019; 2019(4):48[1],1-48-49
Publisher: Springer Nature
Issue Date: 2019
ISSN: 1126-6708
1029-8479
Statement of
Responsibility: 
M. Aaboud ... D. Duvnjak ... P. Jackson ... A. Petridis ... A.S. Sharma ... M.J. White ... et al. [The ATLAS Collaboration]
Abstract: A measurement of the four-lepton invariant mass spectrum is made with the ATLAS detector, using an integrated luminosity of 36.1 fb⁻¹ of proton-proton collisions at s√ = 13 TeV delivered by the Large Hadron Collider. The differential cross-section is measured for events containing two same-flavour opposite-sign lepton pairs. It exhibits a rich structure, with different mass regions dominated in the Standard Model by single Z boson production, Higgs boson production, and Z boson pair production, and non-negligible interference effects at high invariant masses. The measurement is compared with state-of-the-art Standard Model calculations, which are found to be consistent with the data. These calculations are used to interpret the data in terms of gg → ZZ → 4ℓ and Z → 4ℓ subprocesses, and to place constraints on a possible contribution from physics beyond the Standard Model.
Rights: © The Authors. 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.
RMID: 0030113325
DOI: 10.1007/JHEP04(2019)048
Appears in Collections:Physics publications

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