Iwashita, T. et al.T. et al.IwashitaMIN-ZU WANG2018-09-102018-09-102013-10http://inspirehep.net/record/1257984http://scholars.lib.ntu.edu.tw/handle/123456789/378993Measurement of branching fractions for B \\to J/\\psi \\eta K decays and search for a narrow resonance in the J/\\psi \\eta final statejournal article10.1093/ptep/ptu043