First evidence of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si25.svg"> <mml:mrow> <mml:mi mathvariant="italic">CP</mml:mi> </mml:mrow> </mml:math> violation in beauty baryon to charmonium decays
R. Aaij, ASW Abdelmotteleb, C. Abellan Beteta, F. Abudinén et autres
A study of the difference in the CP asymmetries between Λ<sub>b</sub><sup>0</sup>→J/ψpπ<sup>-</sup> and Λ<sub>b</sub><sup>0</sup>→J/ψpK<sup>-</sup> decays, ΔA<sub>CP</sub>, is performed using proton-proton collision data collected by the LHCb experiment in the years 2015-2018, corresponding to an integrated luminosity of 6fb<sup>-1</sup>. This quantity is measured to …
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