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



Aaij, R, Abdelmotteleb, ASW, Abellan Beteta, C, Abudinén, F, Ackernley, T, Adeva, B, Adinolfi, M, Adlarson, P, Afsharnia, H, Agapopoulou, C
et al (show 1053 more authors) (2023) Search for CP violation in the phase space of D0 → π−π+π0 decays with the energy test. Journal of High Energy Physics, 2023 (9). 129-.

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Abstract

<jats:title>A<jats:sc>bstract</jats:sc> </jats:title><jats:p>A search for <jats:italic>CP</jats:italic> violation in D<jats:sup>0</jats:sup> → <jats:italic>π</jats:italic><jats:sup><jats:italic>−</jats:italic></jats:sup><jats:italic>π</jats:italic><jats:sup>+</jats:sup><jats:italic>π</jats:italic><jats:sup>0</jats:sup> decays is reported, using <jats:italic>pp</jats:italic> collision data collected by the LHCb experiment from 2015 to 2018 corresponding to an integrated luminosity of 6 fb<jats:sup><jats:italic>−</jats:italic>1</jats:sup>. An unbinned model-independent approach provides sensitivity to local <jats:italic>CP</jats:italic> violation within the two-dimensional phase space of the decay. The method is validated using the Cabibbo-favoured channel D<jats:sup>0</jats:sup> → K<jats:sup><jats:italic>−</jats:italic></jats:sup><jats:italic>π</jats:italic><jats:sup>+</jats:sup><jats:italic>π</jats:italic><jats:sup>0</jats:sup> and background regions of the signal mode. The results are consistent with <jats:italic>CP</jats:italic> symmetry in this decay.</jats:p>

Item Type: Article
Divisions: Faculty of Science and Engineering > School of Physical Sciences
Depositing User: Symplectic Admin
Date Deposited: 16 Feb 2024 10:37
Last Modified: 15 Mar 2024 01:56
DOI: 10.1007/jhep09(2023)129
Open Access URL: https://link.springer.com/content/pdf/10.1007/JHEP...
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3178734