Measuring Arg($V_{ub}$) in $B\to K\pi$

Frank Würthwein, Peter Gaidarev

It has previously been shown that a measurement of Arg$(V_{ub})=\gamma$ can be obtained from a triangle construction using $\mathcal{B}(B^0\to K^{+}{\pi }^{-})$, $\mathcal{B}(\overline{B^0}\to K^{-}{\pi }^{+})$, ${…