Polarized Bhabha Scattering and a Precision Measurement of the Electron Neutral Current Couplings
the SLD Collaboration
TL;DR
This paper reports the first measurement of left-right asymmetry in polarized Bhabha scattering, enabling precise extraction of electron neutral current couplings to the Z0 boson, advancing tests of the Standard Model.
Contribution
It introduces the first measurement of asymmetry in polarized Bhabha scattering and combines it with previous data to precisely determine electron couplings to the Z0.
Findings
First measurement of left-right asymmetry in polarized Bhabha scattering
Extraction of electron vector and axial couplings to Z0
Enhanced precision in testing the Standard Model
Abstract
We present the first measurement of the left-right asymmetry in Bhabha scattering with a polarized electron beam. The effective electron vector and axial vector couplings to the Z0 are extracted from a combined analysis of the polarized Bhabha scattering data and the left-right asymmetry previously published by this collaboration.
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