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Article: Measurement of the top quark mass with the ATLAS detector using t(t)over-bar events with a high transverse momentum top quark

TitleMeasurement of the top quark mass with the ATLAS detector using t(t)over-bar events with a high transverse momentum top quark
Authors
Pizzimento, LucaFAN, Ka YanJIANG, QiminParedes Hernandez, DKTam, Kai ChungTu, YanjunThe ATLAS Collaboration
Issue Date31-Aug-2025
PublisherElsevier
Citation
Physics Letters B, 2025, v. 867, p. 1-27 How to Cite?
DOI: http://dx.doi.org/10.1016/j.physletb.2025.139608
Abstract

The mass of the top quark is measured using top-quark-top-antiquark pair events with high transverse momentum top quarks. The dataset, collected with the ATLAS detector in proton–proton collisions at 
 TeV delivered by the Large Hadron Collider, corresponds to an integrated luminosity of 140 fb−1. The analysis targets events in the lepton-plus-jets decay channel, with an electron or muon from a semi-leptonically decaying top quark and a hadronically decaying top quark that is sufficiently energetic to be reconstructed as a single large-radius jet. The mean of the invariant mass of the reconstructed large-radius jet provides the sensitivity to the top quark mass and is simultaneously fitted with two additional observables to reduce the impact of the systematic uncertainties. The top quark mass is measured to be 
 GeV, which is the most precise ATLAS measurement from a single channel.


Persistent Identifierhttp://hdl.handle.net/10722/366767
ISSN
0370-2693
2023 Impact Factor: 4.3
2023 SCImago Journal Rankings: 1.593
ISI Accession Number ID
WOS:001518794300001

 

DC FieldValueLanguage
dc.contributor.authorPizzimento, Luca-
dc.contributor.authorFAN, Ka Yan-
dc.contributor.authorJIANG, Qimin-
dc.contributor.authorParedes Hernandez, DK-
dc.contributor.authorTam, Kai Chung-
dc.contributor.authorTu, Yanjun-
dc.contributor.authorThe ATLAS Collaboration-
dc.date.accessioned2025-11-25T04:21:45Z-
dc.date.available2025-11-25T04:21:45Z-
dc.date.issued2025-08-31-
dc.identifier.citationPhysics Letters B, 2025, v. 867, p. 1-27-
dc.identifier.issn0370-2693-
dc.identifier.urihttp://hdl.handle.net/10722/366767-
dc.description.abstract<p>The mass of the top quark is measured using top-quark-top-antiquark pair events with high transverse momentum top quarks. The dataset, collected with the ATLAS detector in proton–proton collisions at <br> TeV delivered by the Large Hadron Collider, corresponds to an integrated luminosity of 140 fb−1. The analysis targets events in the lepton-plus-jets decay channel, with an electron or muon from a semi-leptonically decaying top quark and a hadronically decaying top quark that is sufficiently energetic to be reconstructed as a single large-radius jet. The mean of the invariant mass of the reconstructed large-radius jet provides the sensitivity to the top quark mass and is simultaneously fitted with two additional observables to reduce the impact of the systematic uncertainties. The top quark mass is measured to be <br> GeV, which is the most precise ATLAS measurement from a single channel.<br></p>-
dc.languageeng-
dc.publisherElsevier-
dc.relation.ispartofPhysics Letters B-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleMeasurement of the top quark mass with the ATLAS detector using t(t)over-bar events with a high transverse momentum top quark-
dc.typeArticle-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1016/j.physletb.2025.139608-
dc.identifier.volume867-
dc.identifier.spage1-
dc.identifier.epage27-
dc.identifier.eissn1873-2445-
dc.identifier.isiWOS:001518794300001-
dc.identifier.issnl0370-2693-

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