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Measurement of the W polarization in t-tbar production in lepton+jets events
The W helicity fractions in top decays are measured with t-tbar events in the lepton+jets final state, using proton-proton collisions at a center-of-mass energy of 7 and 8 TeV, collected with the CMS detector at the LHC in 2011 and 2012 respectively. The measured fractions are used to probe the exis...
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Lenguaje: | eng |
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2013
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Acceso en línea: | https://dx.doi.org/10.3204/DESY-PROC-2014-02/67 http://cds.cern.ch/record/1631399 |