Indications for Large Rescattering in Rare B Decays

Details Indications for Large Rescattering in Rare B Decays Indications for Large Rescattering in Rare B Decays

2003-12-16

arxiv.org/abs/hep-ph/0312201v1

Eur.Phys.J.C33:s327-329,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 3 figures. Talk presented at EPS2003 Conference, Aachen, Germany, July 2003

Scientific paper

10.1140/epjcd/s2003-03-220-4

The sign of $A_{\rm CP}(K^-\pi^+) < 0$, the evidence for $\bar B^0 \to \pi^0\pi^0$, and the possibly sizable $A_{\pi\pi}$ and $S_{\pi\pi}$ in $\bar B^0 \to \pi^+\pi^-$ all suggest that final state rescattering may be needed in $\bar B\to PP$ decay, which is echoed by large color suppressed $\bar B^0\to D^0h^0$ modes. An SU(3) formalism of ${\bf 8}\otimes {\bf 8} \to {\bf 8}\otimes {\bf 8}$ rescattering in $PP$ final states leads to interesting predictions, in particular allowing for small $\bar B^0 \to K^-K^+$.

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