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B counting at BABAR

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Title: B counting at BABAR
Author: McGregor, Grant D.
Degree Master of Science - MSc
Program Physics
Copyright Date: 2008
Publicly Available in cIRcle 2008-09-02
Subject Keywords Particle physics; B Counting
Abstract: In this thesis we examine the method of counting BB events produced in the BaBar experiment. The original method was proposed in 2000, but improvements to track reconstruction and our understanding of the detector since that date make it appropriate to revisit the B Counting method. We propose a new set of cuts designed to minimize the sensitivity to time-varying backgrounds. We find the new method counts BB events with an associated systematic uncertainty of ±0.6%.
URI: http://hdl.handle.net/2429/1611

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