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Measurement of the top-quark mass using a leptonic invariant mass in pp collisions at √s = 13 TeV with the ATLAS detector
dc.contributor.author | Atlas Collaboration | |
dc.contributor.author | Aad, G. | |
dc.contributor.author | Aguilar Saavedra, Juan Antonio | |
dc.date.accessioned | 2023-07-05T09:15:27Z | |
dc.date.available | 2023-07-05T09:15:27Z | |
dc.date.issued | 2023-06-05 | |
dc.identifier.citation | ATLAS collaboration., Aad, G., Abbott, B. et al. Measurement of the top-quark mass using a leptonic invariant mass in pp collisions at s√ = 13 TeV with the ATLAS detector. J. High Energ. Phys. 2023, 19 (2023). [https://doi.org/10.1007/JHEP06(2023)019] | es_ES |
dc.identifier.uri | https://hdl.handle.net/10481/83202 | |
dc.description | Support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; ANID, Chile; CAS, MOST and NSFC, China; Minciencias, Colombia; MEYS CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS and CEA-DRF/IRFU, France; SRNSFG, Georgia; BMBF, HGF and MPG, Germany; GSRI, Greece; RGC and Hong Kong SAR, China; ISF and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; NWO, Netherlands; RCN, Norway; MEiN, Poland; FCT, Portugal; MNE/IFA, Romania; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZŠ, Slovenia; DSI/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TENMAK, Türkiye; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, CANARIE, Compute Canada and CRC, Canada; PRIMUS 21/SCI/017 and UNCE SCI/013, Czech Republic; COST, ERC, ERDF, Horizon 2020 and Marie Skłodowska-Curie Actions, European Union; Investissements d’Avenir Labex, Investissements d’Avenir Idex and ANR, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF, Greece; BSF-NSF and MINERVA, Israel; Norwegian Financial Mechanism 2014–2021, Norway; NCN and NAWA, Poland; La Caixa Banking Foundation, CERCA Programme Generalitat de Catalunya and PROMETEO and GenT Programmes Generalitat Valenciana, Spain; Göran Gustafssons Stiftelse, Sweden; The Royal Society and Leverhulme Trust, United Kingdom. Support from all WLCG partners is acknowledged gratefully, in particular from CERN, the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (UK) and BNL (USA), the Tier-2 facilities worldwide and large non-WLCG resource providers. | es_ES |
dc.description.abstract | A measurement of the top-quark mass (mt) in the tt¯ → lepton + 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 mℓμ of the lepton, ℓ (with ℓ = e, μ), from the W-boson decay and the muon, μ, originating from the b-hadron decay is reconstructed, and a binned-template profile likelihood fit is performed to extract mt. The measurement is based on data corresponding to an integrated luminosity of 36.1 fb−1 of s = 13 TeV pp collisions provided by the Large Hadron Collider and recorded by the ATLAS detector. The measured value of the top-quark mass is mt = 174.41 ± 0.39 (stat.) ± 0.66 (syst.) ± 0.25 (recoil) 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. [Figure not available: see fulltext.]. | es_ES |
dc.description.sponsorship | CERN | es_ES |
dc.description.sponsorship | MICINN | es_ES |
dc.description.sponsorship | COST | es_ES |
dc.description.sponsorship | ERC | es_ES |
dc.description.sponsorship | ERDF | es_ES |
dc.description.sponsorship | Horizon 2020 | es_ES |
dc.description.sponsorship | Marie Skłodowska-Curie Actions | es_ES |
dc.description.sponsorship | European Union | es_ES |
dc.description.sponsorship | La Caixa Banking Foundation | es_ES |
dc.description.sponsorship | Generalitat de Catalunya CERCA | es_ES |
dc.description.sponsorship | PROMETEO | es_ES |
dc.description.sponsorship | Generalitat Valenciana GenT | es_ES |
dc.description.sponsorship | PIC | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Springer Science and Business Media Deutschland GmbH | es_ES |
dc.rights | Atribución 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | * |
dc.subject | Hadron-Hadron Scattering | es_ES |
dc.subject | Top Physics | es_ES |
dc.title | Measurement of the top-quark mass using a leptonic invariant mass in pp collisions at √s = 13 TeV with the ATLAS detector | es_ES |
dc.type | journal article | es_ES |
dc.rights.accessRights | open access | es_ES |
dc.identifier.doi | 10.1007/JHEP06(2023)019 | |
dc.type.hasVersion | VoR | es_ES |
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