Polarisation of electroweak gauge bosons at the LHC
Cavendish Laboratory, J.J. Thomson Avenue, Cambridge CB3 0HE UK
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We present results for the polarisation of gauge bosons produced at the LHC. Polarisation effects for W bosons manifest themselves in the angular distributions of the lepton and in the distributions of lepton transverse momentum and missing transverse energy. The polarisation is discussed for a range of different processes producing W bosons such as W+jets and W from top production. The relative contributions of the different polarisation states vary from process to process, reflecting the dynamics of the underlying hardscattering process. We also calculate the polarisation of the Z boson produced in association with QCD jets at the LHC.
© Owned by the authors, published by EDP Sciences, 2013
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