rdf:type |
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lifeskim:mentions |
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pubmed:issue |
15
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pubmed:dateCreated |
2009-6-12
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pubmed:abstractText |
We report a measurement of the top-quark mass M_{t} in the dilepton decay channel tt[over ] --> bl;{'+} nu_{l};{'}b[over ]l;{-}nu[over ]_{l}. Events are selected with a neural network which has been directly optimized for statistical precision in top-quark mass using neuroevolution, a technique modeled on biological evolution. The top-quark mass is extracted from per-event probability densities that are formed by the convolution of leading order matrix elements and detector resolution functions. The joint probability is the product of the probability densities from 344 candidate events in 2.0 fb;{-1} of pp[over ] collisions collected with the CDF II detector, yielding a measurement of M_{t} = 171.2 +/- 2.7(stat) +/- 2.9(syst) GeV / c;{2}.
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pubmed:language |
eng
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pubmed:journal |
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pubmed:status |
PubMed-not-MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
0031-9007
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pubmed:author |
pubmed-author:MinB SBS,
pubmed-author:SuzukiTT,
pubmed-author:TuYY,
pubmed-author:KatoYY,
pubmed-author:ThompsonG AGA,
pubmed-author:JonesMM,
pubmed-author:LisMM,
pubmed-author:CoxJ EJE,
pubmed-author:DaviesTT,
pubmed-author:PaulDD,
pubmed-author:SmithJ RJR,
pubmed-author:HaraKK,
pubmed-author:GibsonKK,
pubmed-author:NagaiYY,
pubmed-author:CastroAA,
pubmed-author:MartinAA,
pubmed-author:DubeSS,
pubmed-author:ClarkDD,
pubmed-author:JohnsonWW,
pubmed-author:MillerRR,
pubmed-author:WilliamsGG,
pubmed-author:SatoKK,
pubmed-author:OhS HSH,
pubmed-author:TanakaRR,
pubmed-author:NakamuraKK,
pubmed-author:ChenY CYC,
pubmed-author:TakeuchiYY,
pubmed-author:WilsonPP,
pubmed-author:YoshidaTT,
pubmed-author:SchmidtAA,
pubmed-author:WagnerWW,
pubmed-author:NielsenJJ,
pubmed-author:MartínezMM,
pubmed-author:WeinbergerMM,
pubmed-author:AkimotoTT,
pubmed-author:SarkarSS,
pubmed-author:ConwayJJ,
pubmed-author:CoxD JDJ,
pubmed-author:YamamotoKK,
pubmed-author:KurataMM,
pubmed-author:RoyPP,
pubmed-author:GrinsteinSS,
pubmed-author:GinsburgC MCM,
pubmed-author:FieldRR,
pubmed-author:KondoKK,
pubmed-author:BauerGG,
pubmed-author:MukherjeeAA,
pubmed-author:PatrickJJ,
pubmed-author:BenjaminDD,
pubmed-author:WagnerR LRL,
pubmed-author:SchmittMM,
pubmed-author:KubaJJ,
pubmed-author:SantiLL,
pubmed-author:SmithG GGG,
pubmed-author:MehtaAA,
pubmed-author:LancasterMM,
pubmed-author:VogelMM,
pubmed-author:SchmidtE EEE,
pubmed-author:HareDD,
pubmed-author:ClarkAA,
pubmed-author:ChoKK,
pubmed-author:HahnKK,
pubmed-author:LewisJ DJD,
pubmed-author:RossiMM,
pubmed-author:HauserJJ,
pubmed-author:LeeS WSW,
pubmed-author:MakiTT,
pubmed-author:MacqueenDD,
pubmed-author:HaraII,
pubmed-author:LeaAA,
pubmed-author:SchwarzTT,
pubmed-author:MOER ERE,
pubmed-author:JamesEE,
pubmed-author:MartinVV,
pubmed-author:CampbellMM,
pubmed-author:HarrisR MRM,
pubmed-author:MillsCC,
pubmed-author:MiyakeHH,
pubmed-author:WolffDD,
pubmed-author:WrightTT,
pubmed-author:KimuraNN,
pubmed-author:MaruyamaTT,
pubmed-author:YangY CYC,
pubmed-author:CampanelliMM,
pubmed-author:DengJJ,
pubmed-author:OhY HYH
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