Interplay of the Cabibbo-Kobayashi-Maskawa CP-violating phase and penguin diagram effects in B-bar--> pi pi. [electronic resource] - Physical review. D, Particles and fields Jun 1995 - 6253-6258 p. digital Publication Type: Journal Article ISSN: 0556-2821 Standard No.: 10.1103/physrevd.51.6253 doi