Jaegle I. et al. (Belle Collaboration)MIN-ZU WANG2019-12-262019-12-262015https://scholars.lib.ntu.edu.tw/handle/123456789/440740Search for the dark photon and the dark higgs boson at bellejournal article10.1103/PhysRevLett.114.2118012-s2.0-84931281749https://www.scopus.com/inward/record.uri?eid=2-s2.0-84931281749&doi=10.1103%2fPhysRevLett.114.211801&partnerID=40&md5=36f743d84f722d9934e50a79d47f15d6