Chang, M.-C. et al.M.-C. et al.ChangPAO-TI CHANGKAI-FENG CHENWEI-SHU HOUYEE HSIUNGMIN-ZU WANG2020-01-152020-01-152007https://scholars.lib.ntu.edu.tw/handle/123456789/450268Observation of the decay B0→J/ψηjournal article10.1103/PhysRevLett.98.1318032-s2.0-34047121130https://www.scopus.com/inward/record.uri?eid=2-s2.0-34047121130&doi=10.1103%2fPhysRevLett.98.131803&partnerID=40&md5=e6a7edf9f307d7585d888a4dac8a1122