2005/07/31 by F. del Águila, F. del Aguila, Ll. Ametller +1
Physics and Astronomy · #Asymmetry #Charge (physics) #Electron #Electroweak interaction #High-Energy Particle Collisions Research #Jet (fluid) #Large Hadron Collider #Lepton #Nuclear physics #Order (exchange) #Particle Detector Development and Performance #Particle physics #Particle physics theoretical and experimental studies #Physics #Tevatron #hep-ph
paper · pdf · doi:10.1016/j.physletb.2005.09.034
published as Phys.Lett. B628 (2005) 40-48 · 16 pages, version to appear in Physics Letters B
arxiv created 2005/09/20 · openalex publication_date 2005/09/29 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
We consider the next-to-leading order corrections, O(alphas), to forward-backward charge asymmetries for lepton-pair production in association with a large transverse momentum jet at large hadron colliders. We find that the leading order results are essentially confirmed. Although experimentally challenging and in practice with large backgrounds, these observables could provide a new determination of the weak mixing angle sin2 thetalepteff (MZ2) with a statistical precision for each lepton flavour of ~10^(-3) (7 x 10-3) at LHC (Tevatron), and if b jets are identified, of the b quark Z asymmetry AbFB with a statistical precision of ~ 2x10-3 (4x10-2) at LHC (Tevatron).