EPS HEP 2013 Stockholm

Measurement of gamma from three-body B decays

18 Jul 2013, 16:45

15m

D1 (KTH Campus)

Talk presentation Flavour Physics and Fundamental Symmetries Flavour Physics and fundamental symmetries

Speaker

Maxime Imbeault (Cégep de Saint-Laurent)

Description

It was recently shown that the weak phase $\gamma$ can be extracted from three-body B decays. Using a flavor-SU(3)-symmetric approach, we extract $\gamma$ from the BaBar measurements of the Dalitz plots of $B\to K\pi \pi$ and $B\to KK\overline{K}$ decays. We find four possible solutions: ${31}_{-3}^{+2}$, $77\pm 3$, ${258}_{-3}^{+4}$ and ${315}_{-2}^{+3}$, in degrees. In all cases the error includes first-order flavor-SU(3) breaking effects. One solution -- $77\pm 3$ -- is consistent with the standard model; its error is smaller than that obtained using two-body B decays. We present recent updates of the results.

Presentation materials

Slides

EPS2013.pdf