Determining $γ$ using $B^\pm \to D K^\pm$ with multibody D decays

Details Determining $γ$ using $B^\pm \to D K^\pm$ with multibody D decays Determining $γ$ using $B^\pm \to D K^\pm$ with multibody D decays

2003-03-21

arxiv.org/abs/hep-ph/0303187v1

Phys.Rev. D68 (2003) 054018

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 1 figure

Scientific paper

10.1103/PhysRevD.68.054018

We propose a method for determining $\gamma$ using $B^\pm\to D K^\pm$ decays followed by a multibody $D$ decay, such as $D \to K_S \pi^-\pi^+$, $D \to K_S K^-K^+$ and $D \to K_S \pi^-\pi^+\pi^0$. The main advantages of the method is that it uses only Cabibbo allowed $D$ decays, and that large strong phases are expected due to the presence of resonances. Since no knowledge about the resonance structure is needed, $\gamma$ can be extracted without any hadronic uncertainty.

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