Rescattering and chiral dynamics in B\to ρπdecay

S. Gardner, Ulf-G. Meißner

We examine the role of B^0(\bar B^0) \to σπ^0 \to π^+π^- π^0 decay in the Dalitz plot analysis of B^0 (\bar B^0) \to ρπ\to π^+π^-π^0 decays, employed to extract the CKM parameter α…