Measurement of the k(t) splitting scales in Z → ℓℓ events in pp collisions at √s=8 TeV with the ATLAS detector
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Date
2017
Authors
Aaboud, M.
Aad, G.
Abbott, B.
Abdallah, J.
Abdinov, O.
Abeloos, B.
Abidi, S.
AbouZeid, O.
Abraham, N.
Abramowicz, H.
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Journal article
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Journal of High Energy Physics (JHEP), 2017; 2017(8):026-1-026-40
Statement of Responsibility
M. Aaboud, G. Aad, B. Abbott ... Paul D. Jackson … Andreas Petridis … Martin White … et al. (ATLAS Collaboration)
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Abstract
A measurement of the splitting scales occuring in the k t jet-clustering algorithm is presented for final states containing a Z boson. The measurement is done using 20.2 fb−1 of proton-proton collision data collected at a centre-of-mass energy of s√=8 TeV by the ATLAS experiment at the LHC in 2012. The measurement is based on chargedparticle track information, which is measured with excellent precision in the p T region relevant for the transition between the perturbative and the non-perturbative regimes. The data distributions are corrected for detector effects, and are found to deviate from state-of-the-art predictions in various regions of the observables.
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© The Author(s) 2017. This article is published under an open access license. Please check the 'Copyright Information' section for details of this license and what re-use is permitted. If your intended use exceeds what is permitted by the license or if you are unable to locate the licence and re-use information, please contact the Rights and Permissions team.