Measurement of branching fractions and $CP$ asymmetries for $D_s^{+}\to K^{+}(\eta ,{\pi }^0)$ and $D_s^{+}\to {\pi }^{+}(\eta ,{\pi }^0)$ decays at Belle

Abstract

We report measurements of the branching fractions and $CP$ asymmetries for $D_s^{+}\to K^{+}\eta$, $D_s^{+}\to K^{+}{\pi }^0$, and $D_s^{+}\to {\pi }^{+}\eta$ decays, and the branching fraction for $D_s^{+}\to {\pi }^{+}{\pi }^0$. Our results are based on a data sample corresponding to an integrated luminosity of 921 fb${}^{-1}$ collected by the Belle detector at the KEKB $e^{+}{e}^{-}$ asymmetric-energy collider. Our measurements of $CP$ asymmetries in these decays are the most precise to-date; no evidence for $CP$ violation is found.

11 pages, 4 figures

References in corpus (8)

• Observation of $CP$ violation in charm decays
• New Physics and CP Violation in Singly Cabibbo Suppressed D Decays
• Branching ratios and direct CP asymmetries in $D\to PP$ decays
• Revisiting CP violation in $D\to PP$ and $VP$ decays
• On $SU(3{)}_F$ Breaking through Final State Interactions and CP Asymmetries in $D\to PP$ Decays
• Implications of the LHCb discovery of CP violation in charm decays
• Mixing and $CP$ violation in the charm system
• Precise Measurements of Branching Fractions for $D_s^{+}$ Meson Decays to Two Pseudoscalar Mesons

Cited by in corpus (3)

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• Recent advances in charm mixing and $CP$ violation at LHCb
• A Review of $CP$ Violation Measurements in Charm at LHCb