Measurement of Z-quark, Z-electron couplings and $\sin^2 \theta_{W}$ at   CDF
  The forward-backward charge asymmetry ($A_{FB}$) of $\ppbar \to e^{+}e^{-} X$ is sensitive to the vector and axial-vector couplings of the initial state quarks and final state leptons. Based on the measurement in $72 pb^{-1}$ of CDF Run II data, we measure the coupling constants of the $Z$ boson to quarks and electron. The electroweak mixing angle, $\sin^2\theta_{W}$, is also measured through its relation to the coupling constants. 
G. De Lentdecker (1), J. Lee (1), K. McFarland (1), A. Gibson (2), G.   Veramendi (2), Y-K. Kim (3) ((1) University of Roche...