Abstract
The electroweak bosons W and Z produced in PbPb collisions at LHC at = 2.76 TeV have been measured and studied through their leptonic decay channel with the CMS detector. In the following we present the measurement of the Z yields as a function of pT, rapidity and centrality based on 2011 PbPb data with an integrated luminosity of 150 μb−1, and the W yield as a function of centrality as well as the muon charge asymmetry using 2010 PbPb data corresponding to an integrated luminosity of 7.3 μ/b−1. The dependence of W and Z production as a function of PbPb collision centrality is shown to scale with the number of NN binary collisions.
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