Aaij, R. et al. (LHCb Collaboration)R. et al. (LHCb Collaboration)AaijPISIN CHEN2019-12-262019-12-262013https://scholars.lib.ntu.edu.tw/handle/123456789/441116Observation of the decay Bc+→ψ(2S)π+journal article10.1103/PhysRevD.87.0711032-s2.0-84877116085https://www.scopus.com/inward/record.uri?eid=2-s2.0-84877116085&doi=10.1103%2fPhysRevD.87.071103&partnerID=40&md5=c0374686991e414c4db67c5f8a35ac7c