Observation of Cabibbo-Suppressed Decay $D^{0} \to π^{-} π^{+}$ and $D^{0} \to K^{-} K^{+}$

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13 August 1979

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 43 (7) , 481-483
https://doi.org/10.1103/physrevlett.43.481

Abstract

The

D^{\circ}

Cabibbo-suppressed decay modes

π^{-} π^{+}

and

K^{-} K^{+}

have been observed and the following ratios of

D^{\circ}

partial decay widths have been measured:

\frac{Γ (D^{\circ} \to π^{-} π^{+})}{Γ (D^{\circ} \to K^{-} π^{+})} = 0.033 \pm 0.015

and

\frac{Γ (D^{\circ} \to K^{-} K^{+})}{Γ (D^{\circ} \to K^{-} π^{+})} = 0.113 \pm 0.030

.

Keywords

This publication has 11 references indexed in Scilit:

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Physical Review Letters, 1978
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Physical Review Letters, 1978
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Physical Review Letters, 1977
Cabibbo-suppressed nonleptonic decays of charmed mesons
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