Search for CP violation in the phase space of D0 → ππ+π0 decays with the energy test

The LHCb Collaboration

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Abstract

A search for CP violation in D0 → π π + π 0 decays is reported, using pp collision data collected by the LHCb experiment from 2015 to 2018 corresponding to an integrated luminosity of 6 fb −1. An unbinned model-independent approach provides sensitivity to local CP violation within the two-dimensional phase space of the decay. The method is validated using the Cabibbo-favoured channel D0 → K π + π 0 and background regions of the signal mode. The results are consistent with CP symmetry in this decay. [Figure not available: see fulltext.].

Original languageEnglish
Article number129
Number of pages24
JournalJournal of High Energy Physics
Volume2023
Issue number9
DOIs
Publication statusPublished - Sept 2023

Keywords

  • Charm Physics
  • CP Violation
  • Hadron-Hadron Scattering

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