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Measurement of the top-quark mass in tt¯+1-jet events collected with the ATLAS detector in pp collisions at s√=8 TeV

dc.contributor.authorAad, G.
dc.contributor.authorAguilar Saavedra, Juan Antonio 
dc.contributor.authorAtlas Collaboration
dc.date.accessioned2020-03-12T12:48:42Z
dc.date.available2020-03-12T12:48:42Z
dc.date.issued2019-11-26
dc.identifier.citationAad, G., Abbott, B., Abbott, D. C., Abdinov, O., Abud, A. A., Abeling, K., ... & Abramowicz, H. (2019). Measurement of the top-quark mass in $$ t\overline {t} $$+ 1-jet events collected with the ATLAS detector in pp collisions at s $$\sqrt {s} $$= 8 TeV. Journal of High Energy Physics, 2019(11), 150.es_ES
dc.identifier.urihttp://hdl.handle.net/10481/60232
dc.description.abstractA determination of the top-quark mass is presented using 20.2 fb−1 of 8 TeV proton-proton collision data produced by the Large Hadron Collider and collected by the ATLAS experiment. The normalised differential cross section of top-quark pair production in association with an energetic jet is measured in the lepton+jets final state and unfolded to parton and particle levels. The unfolded distribution at parton level can be described using next-to-leading-order QCD predictions in terms of either the top-quark pole mass or the running mass as defined in the (modified) minimal subtraction scheme. A comparison between the experimental distribution and the theoretical prediction allows the top-quark mass to be extracted in the two schemes. The value obtained for the pole-mass scheme is: mpolet=171.1±0.4(stat)±0.9(syst)+0.7−0.3(theo) GeV. The extracted value in the running-mass scheme is: mt(mt)=162.9±0.5(stat)±1.0(syst)+2.1−1.2(theo) GeV. The results for the top-quark mass using the two schemes are consistent, when translated from one scheme to the other.es_ES
dc.description.sponsorshipWe acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS, CEA-DRF/IRFU, France; SRNSFG, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZ S, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, CANARIE, CRC and Compute Canada, Canada; COST, ERC, ERDF, Horizon 2020, and Marie Sk lodowska-Curie Actions, European Union; Investissements d' Avenir Labex and Idex, ANR, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co- nanced by EU-ESF and the Greek NSRF, Greece; BSF-NSF and GIF, Israel; CERCA Programme Generalitat de Catalunya, Spain; The Royal Society and Leverhulme Trust, United Kingdom.es_ES
dc.language.isoenges_ES
dc.publisherSpringer Naturees_ES
dc.rightsAtribución 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.titleMeasurement of the top-quark mass in tt¯+1-jet events collected with the ATLAS detector in pp collisions at s√=8 TeVes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses_ES
dc.identifier.doi10.1007/JHEP11(2019)150


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