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arxiv:0704.0404
To the origin of the difference of FSI phases in Btoππ and Btoρρ decays
Published on Apr 3, 2007
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Abstract
FSI model explains large strong interaction phases in B_d to pi-pi decays versus small phases in B_d to rho-rho decays and considers CP asymmetries determined by FSI phases.
AI-generated summary
The final state interactions (FSI) model in which soft rescattering of low mass intermediate states dominates is suggested. It explains why the strong interaction phases are large in the B_dtopipi channel and are considerably smaller in the B_dtorhorho one. Direct CP asymmetries of B_dtopipi decays which are determined by FSI phases are considered as well.
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