Measurement of the top quark mass in the t(t)over-bar -> lepton plus jets channel from root s=8 TeV ATLAS data and combination with previous results

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Author
Berlendis, S.
Cheu, E.
Delitzsch, C. M.
Johns, K. A.
Jones, S., I
Lampl, W.
Le Blanc, M.
Leone, R.
Loch, P.
Nayyar, R.
Affiliation
Univ Arizona, Dept Phys
Issue Date
2019-03-29

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Publisher
SPRINGER
Citation
Aaboud, M., Aad, G., Abbott, B. et al. Eur. Phys. J. C (2019) 79: 290. https://doi.org/10.1140/epjc/s10052-019-6757-9
Journal
EUROPEAN PHYSICAL JOURNAL C
Rights
© CERN for the benefit of the ATLAS collaboration 2019. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/).
Collection Information
This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
Abstract
The top quark mass is measured using a template method in the ttlepton+jets channel (lepton is e or ) using ATLAS data recorded in 2012 at the LHC. The data were taken at a proton-proton centre-of-mass energy of =8TeV and correspond to an integrated luminosity of 20.2 fb-1. The ttlepton+jets channel is characterized by the presence of a charged lepton, a neutrino and four jets, two of which originate from bottom quarks(b). Exploiting a three-dimensional template technique, the top quark mass is determined together with a global jet energy scale factor and a relative b-to-light-jet energy scale factor. The mass of the top quark is measured to be mtop=172.08 (syst)GeV. A combination with previous ATLAS mtop measurements gives mtop=172.69 +/- 0.25 0.41 (syst) GeV.
Note
Open access journal
ISSN
1434-6044
DOI
10.1140/epjc/s10052-019-6757-9
Version
Final published version
Sponsors
ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW Austria; FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq, Brazil; FAPESP, Brazil; NSERC, Canada; CFI, Canada; CONICYT, Chile; NSFC, China; COLCIENCIAS, Colombia; MSMT CR, Czech Republic; MPO CR, Czech Republic; VSC CR, Czech Republic; DNRF; DNSRC, Denmark; IN2P3-CNRS, CEA-DRF/IRFU, France; BMBF; MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF; Benoziyo Center, Israel; INFN, Italy; MEXT; JSPS, Japan; CNRST, Morocco; NWO, Netherlands; RCN, Norway; MNiSW; NCN, Poland; FCT, Portugal; MNE/IFA, Romania; NRC KI, Russian Federation; MESTD, Serbia; MSSR, Slovakia; ARRS; MIZS, Slovenia; MINECO, Spain; Wallenberg Foundation, Sweden; SNSF; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE; NSF; BCKDF; CANARIE; COST, ERC; ERDF; Marie Sklodowska-Curie Actions, European Union; Investissements d' Avenir Labex; ANR, France; DFG; AvH Foundation, Germany - EU-ESF; Greek NSRF, Greece; BSF-NSF; GIF, Israel; CERCA Programme Generalitat de Catalunya, Spain; Royal Society; Leverhulme Trust, United Kingdom; NDGF (Denmark, Norway, Sweden); KIT/GridKA (Germany); INFN-CNAF (Italy); ASGC (Taiwan); BNL (USA) [103]
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© CERN for the benefit of the ATLAS collaboration 2019. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/).
Except where otherwise noted, this item's license is described as © CERN for the benefit of the ATLAS collaboration 2019. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/).