ELECTROWEAK MEASUREMENTS IN THE FORWARD REGION AT THE LHCb

W, Z and low mass Drell-Yan production cross sections in proton proton collisions at root s = 7 TeV have been measured with W -> mu nu(mu), Z -> mu mu, Z -> ee, Z -> tau tau and gamma* -> mu mu channels in the LHCb detector. The cross section results are consistent with theoretical predictions calculated at next-to-next-to-leading order (NNLO) with different proton parton distribution functions (PDFs).