Electroweak Results from SLD

TL;DR

This paper reports updated electroweak measurements from the SLD experiment, including heavy flavor branching fractions and asymmetries, based on data from 1993-1998, providing refined tests of the Standard Model.

Contribution

It introduces new measurements of heavy quark branching fractions and asymmetries using advanced techniques like jet charge and vertex charge, based on a large dataset.

Findings

Precise measurements of Rb and Rc branching fractions.

Updated values for b and c quark asymmetries.

Enhanced understanding of electroweak interactions with heavy quarks.

Abstract

In this paper we present three updates to heavy flavour results from the SLD detector at SLAC. These results are preliminary, based on our full 1993-1998 dataset of 550 000 hadronic Z0 decays produced with an average electron polarisation of 73%. The new measurements are of the hadronic branching fractions into heavy quarks (Rb, Rc), the b quark asymmetry (Ab) using jet charge, and the heavy quark asymmetries (Ab and Ac) using vertex charge and kaons.