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Measuring the weak phase<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>γ</mml:mi></mml:math>in color allowed<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mrow><mml:mover><mml:mrow><mml:mi>B</mml:mi></mml:mrow><mml:mrow><mml:mo>→</mml:mo></mml:mrow></mml:mover></mml:mrow></mml:mrow><mml:mi>DK</mml:mi><mml:mi>π</mml:mi></mml:math>decays
We present a method to measure the weak phase $\ensuremath{\gamma}$ in the three-body decay of charged ${B}^{\ifmmode\pm\else\textpm\fi{}}$ mesons to the final states ${\mathrm{DK}}^{\ifmmode\pm\else\textpm\fi{}}{\ensuremath{\pi}}^{0}.$ These decays are mediated by interfering amplitudes which are color allowed and hence relatively large. As a result, large CP violation effects that could be observed with …