Penguins in phi_s, phi_d

Kristof De Bruyn
2016 Proceedings of 16th International Conference on B-Physics at Frontier Machines — PoS(BEAUTY2016)   unpublished
Figure 1: Illustration of the colour-suppressed tree [Top Left], penguin [Top Right], exchange [Bottom Left], and penguin-annihilation [Bottom Right] topologies contributing to the B q → J/ψX channels. Similar diagrams exist for the B → DD decays.
doi:10.22323/1.273.0004 fatcat:wgtxex5o5fdndaiy7pddcqc7je