Volume 282 - 38th International Conference on High Energy Physics (ICHEP2016) - Top Quark and Electroweak Physics
Dilepton Forward-Backward Asymmetry and electroweak mixing angle at ATLAS and CMS
J. Han* on behalf of the ATLAS and CMS Collaborations
*corresponding author
Full text: pdf
Pre-published on: February 06, 2017
Published on: April 19, 2017
Abstract
We present measurements of the forward-backward asymmetry in Drell-Yan dilepton ($ee$ and $\mu\mu$) events with the data sample of pp collisions at $\sqrt{s}$ = 7 TeV and 8 TeV collected by ATLAS and CMS detector. At CMS, the measurements are extended up to the boson rapidity, $|y|$=5, by including forward electrons. At ATLAS, the measured forward-backward asymmetry is used to extract the effective electroweak mixing angle, $\sin^{2}\theta_{eff}^{lept}$. The measured $\sin^{2}\theta_{eff}^{lept}$ from combining all channels is 0.2308 $\pm$ 0.0005(stat.) $\pm$ 0.0006(syst.) $\pm$ 0.0009(PDF).
DOI: https://doi.org/10.22323/1.282.0677
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