Measurement of the ratio of branching fractions B(D0→K+π−)/B(D0→K−π+) using the CDF II detector
Arthur S. Abulencia, D. Acosta, J. Adelman, A. A. Affolder et autres
We present a measurement of ${R}_{\mathcal{B}}$, the ratio of the branching fraction for the rare decay ${D}^{0}\ensuremath{\rightarrow}{K}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$ to that for the Cabibbo-favored decay ${D}^{0}\ensuremath{\rightarrow}{K}^{\ensuremath{-}}{\ensuremath{\pi}}^{+}$. Charge-conjugate decays are implicitly included. A signal of $2005\ifmmode\pm\else\textpm\fi{}104$ events for the decay ${D}^{0}\ensuremath{\rightarrow}{K}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$ is obtained using the …
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