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Title
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Measurement of the top quark mass with lepton plus jets final states using pp collisions at =13 TeV
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Author
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Institution/Organisation
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CMS Collaboration
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Abstract
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| The mass of the top quark is measured using a sample of t (t) over bar events collected by the CMS detector using proton-proton collisions at root s = 13 TeV at the CERN LHC. Events are selected with one isolated muon or electron and at least four jets from data corresponding to an integrated luminosity of 35.9 fb(-1). For each event the mass is reconstructed from a kinematic fit of the decay products to a t (t) over bar hypothesis. Using the ideogram method, the top quark mass is determined simultaneously with an overall jet energy scale factor (JSF), constrained by the mass of the W boson in q (q) over bar' decays. The measurement is calibrated on samples simulated at next-to-leading order matched to a leadingorder parton shower. The top quark mass is found to be 172.25 +/- 0.08 (stat+JSF)+/- 0.62 (syst) GeV. The dependence of this result on the kinematic properties of the event is studied and compared to predictions of different models of t (t) over bar production, and no indications of a bias in the measurements are observed. |
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Language
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English
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Source (journal)
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European physical journal : C : particles and fields. - Berlin
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Publication
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Berlin
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2018
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ISSN
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1434-6044
1434-6052
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DOI
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10.1140/EPJC/S10052-018-6332-9
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Volume/pages
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78
:11
(2018)
, 27 p.
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Article Reference
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891
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ISI
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000459291000003
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Pubmed ID
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30881206
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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