Speaker
Owen Long
(University of California Riverside)
Description
We present improved measurements of the branching fractions and CP
asymmetries in the decays B+->K+pi0, B+->pi+pi0 and B0->pi0pi0.
This update is based on 467 Y(4S)->BBbar decays, constituting the
complete set of data collected at the Y(4S) resonance by the BaBar
experiment at the SLAC PEP-II B-factory.
We determine constraints on the Unitarity Triangle angle alpha from
the isospin relation between all B->pipi rates and asymmetries, and
we measure the difference in the size of direct CP asymmetries
between the decays B+->K+pi0 and B0->K+pi-.
Author
Owen Long
(University of California Riverside)