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W helicity in top pair events
We report on the measurement of the W helicity fractions in semileptonic decays of $\ttbar$ events, using a sample of events from proton-proton collisions at a centre-of-mass energy of 7 TeV, collected in 2011 with the CMS detector at the LHC. The sample corresponds to an integrated luminosity of 2....
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2012
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| Acceso en línea: | http://cds.cern.ch/record/1423370 |