Precise Measurement of B 0 − B 0 Mixing Parameters at the Υ ( 4 S )

Abstract

We describe a measurement ofB0−B0 mixing parameters exploiting a method of partial reconstruction of the decay chains B → Dπ and B → Dρ. Using 9.6 ×106BB pairs collected at the Cornell Electron Storage Ring, we find χd = 0.198 ± 0.013 ± 0.014, |yd| < 0.41 at 95% confidence level, and |Re(ǫB)| < 0.034 at 95% confidence level. 

Topics

6 Figures and Tables

Slides referencing similar topics