Abouzaid, E.E.AbouzaidYEE HSIUNG et al2018-09-102018-09-102007-08http://inspirehep.net/record/758757http://scholars.lib.ntu.edu.tw/handle/123456789/331442Search for the Rare Decay $K_{L} \\to \\pi^0 \\pi^0 \\gamma$journal article10.1103/PhysRevD.78.032014