Search for CP Violation in the Dalitz-Plot Analysis of D+/- -> K+ K- pi+/-

TL;DR

This study searches for CP violation in the decay D+ -> K+ K- pi+ using Dalitz-plot analysis with CLEO-c data, finding no significant asymmetry and setting limits on CP violation in this decay mode.

Contribution

First detailed Dalitz-plot analysis of D+ -> K+ K- pi+ decay searching for CP violation with no observed asymmetry.

Findings

No evidence of CP violation detected.

Measured CP asymmetry is consistent with zero.

Provides constraints on CP violation in charm decays.

Abstract

We report on a search for CP asymmetry in the singly Cabibbo-suppressed decay D+ -> K+ K- pi+ using a data sample of 818 pb-1 accumulated with the CLEO-c detector on the psi(3770) resonance. A Dalitz-plot analysis is used to determine the amplitudes of the intermediate states. We find no evidence for CP violation either in specific two-body amplitudes or integrated over the entire phase space. The CP asymmetry in the latter case is measured to be (-0.03+-0.84+-0.29)%.