Jul 5 – 12, 2017
Venice, Italy
Europe/Zurich timezone
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Measurements of the effective weak mixing angle in dimuon events at D0

Jul 6, 2017, 10:00 AM
Room Volpi (Palazzo del Casinò)

Room Volpi

Palazzo del Casinò

Parallel Talk Top and Electroweak Physics Top and electroweak


Siqi Yang (The University of Iowa (US))


We present the measurements of forward-backward charge asymmetry $A_{FB} $ in
$p\bar{p}\rightarrow Z/\gamma^{*} \rightarrow \mu^+\mu^- $ events using $9.7 \ $fb$^{-1}$ of $ p\bar p$ data collected at $\sqrt s=1.96\ $TeV by the D0 detector at the Fermilab Tevatron collider. $A_{FB}$ is measured as a function of the invariant mass of the dimuon system to extract the effective weak mixing angle $\sin^2\theta^{lep}_{eff}$. In the context of the standard model, using the on-shell renormalization scheme where $\sin^2\theta_W = 1 - M_W^2/M_Z^2$, measurements of $\sin^2\theta^{lep}_{eff}$ yield indirect extractions of the W mass.

Experimental Collaboration D0

Primary author

Siqi Yang (The University of Iowa (US))

Presentation materials