Choi, S.-K. et al. (Belle Collaboration)S.-K. et al. (Belle Collaboration)ChoiPAO-TI CHANG2020-01-152020-01-152003https://scholars.lib.ntu.edu.tw/handle/123456789/449291Observation of a Narrow Charmoniumlike State in Exclusive B ?? ?? K???k+?k- J/?Z Decaysjournal article2-s2.0-1942496699https://www.scopus.com/inward/record.uri?eid=2-s2.0-1942496699&partnerID=40&md5=35471d696e95ad7b1123a6c6fa3d4631