Adachi, I First Evidence for cos2β>0 and Resolution of the Cabibbo-Kobayashi-Maskawa Quark-Mixing Unitarity Triangle Ambiguity. [electronic resource] - Physical review letters Dec 2018 - 261801 p. digital Publication Type: Journal Article ISSN: 1079-7114 Standard No.: 10.1103/PhysRevLett.121.261801 doi