First observation of $K_{L} \\to \\pi^\\pm e^\\mp \\nu e^{+} e^{-}$

YEE HSIUNG2018-09-102018-09-102007-05http://inspirehep.net/record/751124http://scholars.lib.ntu.edu.tw/handle/123456789/331465First observation of $K_{L} \\to \\pi^\\pm e^\\mp \\nu e^{+} e^{-}$journal article10.1103/PhysRevLett.99.081803