Strong Phases in the Decays B to pi pi

Details Strong Phases in the Decays B to pi pi Strong Phases in the Decays B to pi pi

2005-06-22

arxiv.org/abs/hep-ph/0506224v2

Phys.Rev. D72 (2005) 077501

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 1 figures

Scientific paper

10.1103/PhysRevD.72.077501

Two sources of strong phases in the decays $B$ to $\pi\pi$ are identified: (1) "quasi-elastic scattering" corresponding to intermediate states like $\pi\pi$ and $\rho\rho$, (2) ``$c\bar{c}$'' corresponding to intermediate states like $D\bar{D}$ and $D^{*}\bar{D}^{*}$. Possibilities of using data to identify these two sources are discussed and illustrated. Present data suggests both sources may be significant.

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