We investigate the production of the weak bosons W+, W - and Z at the LHC as a function of their rapidity, reconstructed experimentally from their leptonic decay. We show that the measurements provide a powerful tool for constraining the parton distribution functions, as was already the case for the lower energy pp̄ collider data. We study the charge asymmetry determining the u and d distribution functions using the reconstructed W+, W- rapidities. We also show how the ratio of the W and Z boson rapidity distributions directly probes the charm quark distribution function of the proton.
|Journal||Physical Review D - Particles, Fields, Gravitation and Cosmology|
|Publication status||Published - 2013 Oct 28|
All Science Journal Classification (ASJC) codes
- Nuclear and High Energy Physics
- Physics and Astronomy (miscellaneous)