Measurement of $B^0 \\to J/\\psi \\eta^{(\\prime)}$ and Constraint on the $\\eta-\\eta^\\prime$ Mixing Angle

PAO-TI CHANGMIN-ZU WANGPISIN CHENKAI-FENG CHEN2018-09-102018-09-102012-03http://inspirehep.net/record/1093880http://scholars.lib.ntu.edu.tw/handle/123456789/371403Measurement of $B^0 \\to J/\\psi \\eta^{(\\prime)}$ and Constraint on the $\\eta-\\eta^\\prime$ Mixing Anglejournal article10.1103/PhysRevD.85.091102