THE HOPE. “The results exclude CP conservation (that is, they suggest that CP violation has occurred) at a 95% confidence level, and show that the CP-violating parameter is likely to be large. These results could be the first indications of the origin of the matter–antimatter asymmetry in our Universe.” (CP = charge-conjugation parity-reversal).
https://www.nature.com/articles/d41586-020-01000-9