Speaker
Description
Measurements of W bosons at LHCb exploit the experiment’s forward acceptance to probe the electroweak interaction in a phase space complementary to that of the central LHC detectors. The large data samples collected in proton–proton collisions at 13 TeV enable detailed studies of both the production and decay characteristics of the W boson in a previously unexplored rapidity region. Observables related to production properties provide sensitivity to the underlying partonic structure of the proton and to higher-order electroweak and QCD dynamics, while measurements of decay properties allow stringent tests of the universality and structure of the charged-current interaction. These analyses benefit from LHCb’s precise tracking, vertexing, and particle identification, together with dedicated control of experimental and theoretical systematics. This contribution presents recent results on W boson physics at LHCb, discusses their interpretation within the Standard Model, and highlights their impact on global electroweak constraints and searches for possible signs of new phenomena.
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