Measurement of phi_3 with Dalitz Plot Analysis of B+=>D(*)K(*)+ Decay
Alexei Garmash
TL;DR
This paper reports on measurements of the weak angle phi_3 using Dalitz plot analysis of B+ decays to D(*)K(*)+ from Belle and BaBar, highlighting interference effects between D0 and D0bar.
Contribution
It presents a novel application of Dalitz plot analysis to measure phi_3, delta, and r in B+ decays, combining results from two major experiments.
Findings
Measurement of phi_3 with improved precision
Determination of strong phase delta
Estimation of amplitude ratio r
Abstract
Results from the Belle and BaBar experiments on measurement of the weak angle phi_3 using a Dalitz plot analysis of the KSpi+pi- decay of the neutral D meson from the B+=>D(*)K(*)+ process are presented. The method employs the interference between D0 and D0bar to extract the angle phi_3, strong phase delta and the ratio r of suppressed and allowed amplitudes.
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