Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/102735
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Type: Journal article
Title: Measurement of transverse energy-energy correlations in multi-jet events in pp collisions at √s=7 TeV using the ATLAS detector and determination of the strong coupling constant as(mZ)
Other Titles: Measurement of transverse energy-energy correlations in multi-jet events in pp collisions at root s=7 TeV using the ATLAS detector and determination of the strong coupling constant as(mZ)
Author: Aad, G.
Abbott, B.
Abdallah, J.
Abdinov, O.
Aben, R.
Abolins, M.
AbouZeid, O.
Abramowicz, H.
Abreu, H.
Abreu, R.
Abulaiti, Y.
Acharya, B.
Adamczyk, L.
Adams, D.
Adelman, J.
Adomeit, S.
Adye, T.
Affolder, A.
Agatonovic-Jovin, T.
Agricola, J.
et al.
Citation: Physics Letters B, 2015; 750:427-447
Publisher: Elsevier
Issue Date: 2015
ISSN: 0370-2693
1873-2445
Statement of
Responsibility: 
G. Aad ... P. Jackson ... L. Lee ... A. Petridis ... N. Soni ... M.J. White ... et al. (ATLAS Collaboration)
Abstract: High transverse momentum jets produced in ppcollisions at a centre of mass energy of 7TeV are used to measure the transverse energy–energy correlation function and its associated azimuthal asymmetry. The data were recorded with the ATLAS detector at the LHC in the year 2011 and correspond to an integrated luminosity of 158pb⁻¹. The selection criteria demand the average transverse momentum of the two leading jets in an event to be larger than 250GeV. The data at detector level are well described by Monte Carlo event generators. They are unfolded to the particle level and compared with theoretical calculations at next-to-leading-order accuracy. The agreement between data and theory is good and provides a precision test of perturbative Quantum Chromodynamics at large momentum transfers. From this comparison, the strong coupling constant given at the Zboson mass is determined to be αs(mZ) =0.1173 ±0.0010(exp.)+0.0065−0.0026(theo.).
Rights: ©2015 CERN for the benefit of the ATLAS Collaboration. 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: 0030037357
DOI: 10.1016/j.physletb.2015.09.050
Appears in Collections:Physics publications

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