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Suppressed Decays of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi>D</mml:mi><mml:mi>s</mml:mi><mml:mo>+</mml:mo></mml:msubsup></mml:math>Mesons to Two Pseudoscalar Mesons

Suppressed Decays of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi>D</mml:mi><mml:mi>s</mml:mi><mml:mo>+</mml:mo></mml:msubsup></mml:math>Mesons to Two Pseudoscalar Mesons

Using data collected near the ${D}_{s}^{*+}{D}_{s}^{\ensuremath{-}}$ peak production energy ${E}_{\mathrm{cm}}=4170\text{ }\text{ }\mathrm{MeV}$ by the CLEO-c detector, we study the decays of ${D}_{s}^{+}$ mesons to two pseudoscalar mesons. We report on searches for the singly Cabibbo-suppressed ${D}_{s}^{+}$ decay modes ${K}^{+}\ensuremath{\eta}$, ${K}^{+}{\ensuremath{\eta}}^{\ensuremath{'}}$, ${\ensuremath{\pi}}^{+}{K}_{S}^{0}$, ${K}^{+}{\ensuremath{\pi}}^{0}$, and the isospin-forbidden decay mode ${D}_{s}^{+}\ensuremath{\rightarrow}{\ensuremath{\pi}}^{+}{\ensuremath{\pi}}^{0}$. We normalize …