Identification of beauty and charm quark jets at LHCbстатья
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Дата последнего поиска статьи во внешних источниках: 26 октября 2015 г.
Аннотация:Identification of jets originating from beauty and charm quarks is important for measuring Standard Model processes and for searching for new physics. The performance of algorithms developed to select b- and c-quark jets is measured using data recorded by LHCb from proton-proton collisions at s√=7TeV in 2011 and at s√=8TeV in 2012. The efficiency for identifying a b(c) jet is about 65\%(25\%) with a probability for misidentifying a light-parton jet of 0.3\% for jets with transverse momentum pT>20GeV and pseudorapidity 2.2<η<4.2. The dependence of the performance on the pT and η of the jet is also measured.