Search for Time-Dependent CP Violation in D0 →π+π-π0 Decays

The LHCb Collaboration

Research output: Contribution to journalArticleResearchpeer-review

Abstract

A measurement of time-dependent CP violation in D0→π+π-π0 decays using a pp collision data sample collected by the LHCb experiment in 2012 and from 2015 to 2018, corresponding to an integrated luminosity of 7.7 fb-1, is presented. The initial flavor of each D0 candidate is determined from the charge of the pion produced in the D∗(2010)+→D0π+ decay. The decay D0→K-π+π0 is used as a control channel to validate the measurement procedure. The gradient of the time-dependent CP asymmetry ΔY in D0→π+π-π0 decays is measured to be ΔY=(-1.3±6.3±2.4)×10-4, where the first uncertainty is statistical and the second is systematic, which is compatible with CP conservation.

Original languageEnglish
Article number101803
Number of pages12
JournalPhysical Review Letters
Volume133
Issue number10
DOIs
Publication statusPublished - 5 Sept 2024

Cite this