Search for CP violation in the phase space of D0 -> pi- pi+ pi0 decays with the energy test

D. Brundu;F. Dettori;F. Fabiano;R. Litvinov;G. Manca;R. Oldeman;B. Saitta;J. Sun;
2023-01-01

Abstract

A search for CP violation in D-0 -> pi(-)pi(+)pi(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 D-0 -> K-pi(+)pi(0) and background regions of the signal mode. The results are consistent with CP symmetry in this decay.
2023
Charm Physics
CP Violation
Hadron-Hadron Scattering
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JHEP09(2023)129.pdf

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