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

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Author(s)
Aaij, R.
•
Abdelmotteleb, A. S. W.
•
Abellan Beteta, C.
•
Abudinén, F.
•
Ackernley, T.
•
Adeva, B.
•
Adinolfi, M.
•
Adlarson, P.
•
Afsharnia, H.
•
Agapopoulou, C.
Date Issued
September 20, 2023
Publisher
Springer Berlin Heidelberg
Citation
Journal of High Energy Physics. 2023 Sep 20;2023(9):129
Version
Final published version
Abstract
Abstract A search for CP violation in D0 → π−π+π0 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+π0 and background regions of the signal mode. The results are consistent with CP symmetry in this decay.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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DOI of Published Version
https://doi.org/10.1007/JHEP09(2023)129
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