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