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000483007 0247_ $$2arXiv$$aarXiv:2209.00583
000483007 0247_ $$2datacite_doi$$a10.3204/PUBDB-2022-05078
000483007 037__ $$aPUBDB-2022-05078
000483007 041__ $$aEnglish
000483007 088__ $$2arXiv$$aarXiv:2209.00583
000483007 088__ $$2CERN$$aCERN-EP-2020-018
000483007 1001_ $$0P:(DE-HGF)0$$aATLAS Collaboration$$b0$$eCollaboration author
000483007 245__ $$aMeasurement of the top-quark mass using a leptonic invariant mass in $pp$ collisions at $\sqrt{s}=13~\textrm{TeV}$ with the ATLAS detector
000483007 260__ $$c2022
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000483007 500__ $$a32 pages in total, 9 figures, 6 tables, to be submitted to JHEP. All figures including auxiliary figures are available at: https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/TOPQ-2017-17/
000483007 520__ $$aA measurement of the top-quark mass ($m_t$) in the $t\bar{t}\rightarrow~\textrm{lepton}+\textrm{jets}$ channel is presented, with an experimental technique which exploits semileptonic decays of $b$-hadrons produced in the top-quark decay chain. The distribution of the invariant mass $m_{\ell\mu}$ of the lepton, $\ell$ (with $\ell=e,\mu$), from the $W$-boson decay and the muon, $\mu$, originating from the $b$-hadron decay is reconstructed, and a binned-template profile likelihood fit is performed to extract $m_t$. The measurement is based on data corresponding to an integrated luminosity of 36.1 fb$^{-1}$ of $\sqrt{s} = 13~\textrm{TeV}$$pp$ collisions provided by the Large Hadron Collider and recorded by the ATLAS detector. The measured value of the top-quark mass is $m_{t} = 174.41\pm0.39~(\textrm{stat.})\pm0.66~(\textrm{syst.})\pm0.25~(\textrm{recoil})~\textrm{GeV}$, where the third uncertainty arises from changing the PYTHIA8 parton shower gluon-recoil scheme, used in top-quark decays, to a recently developed setup.
000483007 536__ $$0G:(DE-HGF)POF4-611$$a611 - Fundamental Particles and Forces (POF4-611)$$cPOF4-611$$fPOF IV$$x0
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000483007 650_7 $$2INSPIRE$$atop: mass: measured
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000483007 650_7 $$2INSPIRE$$atop: pair production
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000483007 650_7 $$2INSPIRE$$afinal state: ((n)jet lepton)
000483007 650_7 $$2INSPIRE$$aATLAS
000483007 650_7 $$2INSPIRE$$amass spectrum: (lepton muon)
000483007 650_7 $$2INSPIRE$$abottom: semileptonic decay
000483007 650_7 $$2INSPIRE$$abottom: particle identification
000483007 650_7 $$2INSPIRE$$aCERN LHC Coll
000483007 650_7 $$2INSPIRE$$arecoil
000483007 650_7 $$2INSPIRE$$adata analysis method
000483007 650_7 $$2INSPIRE$$anumerical calculations: Monte Carlo
000483007 650_7 $$2INSPIRE$$aexperimental results
000483007 650_7 $$2INSPIRE$$a13000 GeV-cms
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000483007 8564_ $$uhttps://bib-pubdb1.desy.de/record/483007/files/221010_Measurement%20of%20the%20top-quark%20mass%20using%20a%20leptonic%20invariant%20mass.pdf$$yOpenAccess
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000483007 9141_ $$y2022
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