Properties of the b [formula omitted]g vertex

Abstract

We have used the unique strengths of the SLAC Linear Collider (SLC) and the SLD detector to study some important properties of the b b g vertex. Using the excellent impact parameter resolution to identify and tag jets produced by light quarks, by charmed quarks, or by bottom quarks, we have measured the lack of dependence of the strong coupling α s on quark flavor to within 1.6% (uds), 7.9% (c), and 3.1% (b). We have set an upper limit of less than 7% on an anomalous chromomagnetic coupling at the b b g vertex. Finally we have shown the parity violation and symmetry properties of the b b g vertex with QCD calculations to the 10% level.