Measurement of the top quark mass in the dilepton channel using mT2 at CDF

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dc.contributor.author Aaltonen, Timo
dc.contributor.author Mehtälä, Petteri
dc.contributor.author Orava, Risto
dc.contributor.author Saarikko, Heimo
dc.contributor.author Österberg, Kenneth
dc.contributor.author CDF Collaboration
dc.date.accessioned 2010-12-16T11:51:00Z
dc.date.available 2010-12-16T11:51:00Z
dc.date.issued 2010
dc.identifier.citation Aaltonen , T , Mehtälä , P , Orava , R , Saarikko , H , Österberg , K & CDF Collaboration 2010 , ' Measurement of the top quark mass in the dilepton channel using mT2 at CDF ' , Physical Review D : Particles, Fields, Gravitation and Cosmology , vol. 81 , no. 3 , pp. 031102 . https://doi.org/10.1103/PhysRevD.81.031102
dc.identifier.other PURE: 7609963
dc.identifier.other PURE UUID: 9e5ea496-eaad-406d-ae58-1e1876e79e6f
dc.identifier.other ArXiv: http://arxiv.org/abs/0911.2956v3
dc.identifier.other WOS: 000275069000002
dc.identifier.other Scopus: 77749320139
dc.identifier.other ORCID: /0000-0003-4807-0414/work/29936369
dc.identifier.uri http://hdl.handle.net/10138/24084
dc.description Submitted to Phys. Rev. D
dc.description.abstract We present measurements of the top quark mass using the \mT2, a variable related to the transverse mass in events with two missing particles. We use the template method applied to t\tbar dilepton events produced in p\pbar collisions at Fermilab's Tevatron and collected by the CDF detector. From a data sample corresponding to an integrated luminosity of 3.4 \invfb, we select 236 t\tbar candidate events. Using the \mT2 distribution, we measure the top quark mass to be M_{Top} = 168.0^{+4.8}_{-4.0} $\pm$ {2.9} GeV/c^{2}. By combining the \mT2 with the reconstructed top mass distributions based on a neutrino weighting method, we measure M_{top}=169.3 $\pm$ 2.7 $\pm$ 3.2 GeV/c^{2}. This is the first application of the \mT2 variable in a mass measurement at a hadron collider. fi
dc.description.abstract We present measurements of the top quark mass using mT2, a variable related to the transverse mass in events with two missing particles. We use the template method applied to tt̅ dilepton events produced in pp̅ collisions at Fermilab’s Tevatron Collider and collected by the CDF detector. From a data sample corresponding to an integrated luminosity of 3.4  fb-1, we select 236 tt̅ candidate events. Using the mT2 distribution, we measure the top quark mass to be Mtop=168.0-4.0+4.8(stat)±2.9(syst)  GeV/c2. By combining mT2 with the reconstructed top quark mass distributions based on a neutrino weighting method, we measure Mtop=169.3±2.7(stat)±3.2(syst)  GeV/c2. This is the first application of the mT2 variable in a mass measurement at a hadron collider. en
dc.format.extent 9
dc.language.iso eng
dc.relation.ispartof Physical Review D : Particles, Fields, Gravitation and Cosmology
dc.rights.uri info:eu-repo/semantics/restrictedAccess
dc.subject hep-ex
dc.subject 114 Physical sciences
dc.title Measurement of the top quark mass in the dilepton channel using mT2 at CDF en
dc.title.alternative Top Quark Mass Measurement using mT2 in the Dilepton Channel at CDF fi
dc.type Article
dc.contributor.organization Department of Physics
dc.contributor.organization Helsinki Institute of Physics
dc.description.reviewstatus Peer reviewed
dc.relation.doi https://doi.org/10.1103/PhysRevD.81.031102
dc.relation.issn 1550-7998
dc.rights.accesslevel restrictedAccess
dc.identifier.url http://prd.aps.org/pdf/PRD/v81/i3/e031102

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