KAI-FENG CHENPAO-TI CHANGYEE HSIUNG2020-01-152020-01-152007https://scholars.lib.ntu.edu.tw/handle/123456789/450263Observation of direct CP violation in B0→π+π- decays and model-independent constraints on the quark-mixing angle 2journal article10.1103/PhysRevLett.98.2118012-s2.0-34547373860https://www.scopus.com/inward/record.uri?eid=2-s2.0-34547373860&doi=10.1103%2fPhysRevLett.98.211801&partnerID=40&md5=3e1a72da1fa136fa9dedd90f1c4dae0d