Search for CP Violation in the Decays ${D^{\pm} \to K^0_{\scriptscriptstyle S} K^\pm$, ${D_s^{\pm} \to K^0_{\scriptscriptstyle S} K^\pm$, and ${D_s^{\pm} \to K^0_{\scriptscriptstyle S} \pi^\pm
We report on a search for CP violation in the decays K^0_{\scriptscriptstyle S} K^\pm$, ${D_s^{\pm} \to K^0_{\scriptscriptstyle S} K^\pm$, and ${D_s^{\pm} \to K^0_{\scriptscriptstyle S} \pi^\pm$ using a data set corresponding to an integrated luminosity of $469\,\invfb$ collected with the BaBar dete...
Gespeichert in:
1. Verfasser: | |
---|---|
Format: | Artikel |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | We report on a search for CP violation in the decays K^0_{\scriptscriptstyle
S} K^\pm$, ${D_s^{\pm} \to K^0_{\scriptscriptstyle S} K^\pm$, and ${D_s^{\pm}
\to K^0_{\scriptscriptstyle S} \pi^\pm$ using a data set corresponding to an
integrated luminosity of $469\,\invfb$ collected with the BaBar detector at the
PEP-II asymmetric energy \epem storage rings. The CP-violating decay rate
asymmetries $A_{CP}$ are determined to be $(+0.13 \pm 0.36 \stat \pm 0.25
\syst)%$, $(-0.05 \pm 0.23 \stat \pm 0.24 \syst)%$, and $(+0.6 \pm 2.0 \stat
\pm 0.3 \syst)%$, respectively for the three modes, before correction for the
relevant K^0_{\scriptscriptstyle S} asymmetry. After this correction, all the
measurements are consistent with zero within one standard deviation. These are
currently the most precise measurements of these asymmetries. |
---|---|
DOI: | 10.48550/arxiv.1209.0138 |