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Article: Measurement of the top quark mass in the tt¯ → lepton+jets channel from √s = 8 TeV ATLAS data and combination with previous results

TitleMeasurement of the top quark mass in the tt¯ → lepton+jets channel from √s = 8 TeV ATLAS data and combination with previous results
Authors
Issue Date2019
PublisherSpringer Verlag (Germany): SCOAP3. The Journal's web site is located at http://epjc.edpsciences.org
Citation
The European Physical Journal C: Particles and Fields, 2019, v. 79 n. 4, article no. 290, p. 1-51 How to Cite?
AbstractThe top quark mass is measured using a template method in the tt¯ → lepton + jets channel (lepton is e or μ) using ATLAS data recorded in 2012 at the LHC. The data were taken at a proton–proton centre-of-mass energy of s=8 TeV and correspond to an integrated luminosity of 20.2 fb - 1 . The tt¯ → lepton + 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±0.39(stat)±0.82(syst) GeV. A combination with previous ATLAS m top measurements gives mtop=172.69±0.25(stat)±0.41(syst) GeV.
Persistent Identifierhttp://hdl.handle.net/10722/269458
ISSN
2020 Impact Factor: 4.59
2020 SCImago Journal Rankings: 1.938
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorATLAS Collaboration-
dc.contributor.authorLo, CY-
dc.contributor.authorOrlando, N-
dc.contributor.authorParedes Hernandez, DK-
dc.contributor.authorTu, Y-
dc.date.accessioned2019-04-24T08:08:06Z-
dc.date.available2019-04-24T08:08:06Z-
dc.date.issued2019-
dc.identifier.citationThe European Physical Journal C: Particles and Fields, 2019, v. 79 n. 4, article no. 290, p. 1-51-
dc.identifier.issn1434-6044-
dc.identifier.urihttp://hdl.handle.net/10722/269458-
dc.description.abstractThe top quark mass is measured using a template method in the tt¯ → lepton + jets channel (lepton is e or μ) using ATLAS data recorded in 2012 at the LHC. The data were taken at a proton–proton centre-of-mass energy of s=8 TeV and correspond to an integrated luminosity of 20.2 fb - 1 . The tt¯ → lepton + 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±0.39(stat)±0.82(syst) GeV. A combination with previous ATLAS m top measurements gives mtop=172.69±0.25(stat)±0.41(syst) GeV.-
dc.languageeng-
dc.publisherSpringer Verlag (Germany): SCOAP3. The Journal's web site is located at http://epjc.edpsciences.org-
dc.relation.ispartofThe European Physical Journal C: Particles and Fields-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleMeasurement of the top quark mass in the tt¯ → lepton+jets channel from √s = 8 TeV ATLAS data and combination with previous results-
dc.typeArticle-
dc.identifier.emailOrlando, N: norlando@hku.hk-
dc.identifier.emailParedes Hernandez, DK: dparedes@hku.hk-
dc.identifier.emailTu, Y: yanjuntu@hku.hk-
dc.identifier.authorityTu, Y=rp01971-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1140/epjc/s10052-019-6757-9-
dc.identifier.scopuseid_2-s2.0-85063962642-
dc.identifier.hkuros297649-
dc.identifier.volume79-
dc.identifier.issue4-
dc.identifier.spagearticle no. 290, p. 1-
dc.identifier.epagearticle no. 290, p. 51-
dc.identifier.isiWOS:000462946800002-
dc.publisher.placeGermany-
dc.identifier.issnl1434-6044-

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