A new search for the $K_L\to \ddot{I}{€}^0\hat{I}½\overline{\hat{I}}½$ and $K_L\to \ddot{I}{€}^0{X}^0$ decays

J. K. Ahn, K. Y. Baek, S. Banno +87

We searched for the $CP$-violating rare decay of neutral kaon, $K_L\to \ddot{I}{€}^0\hat{I}½\overline{\hat{I}}½$, in data from the first 100 hours of physics running in 2013 of the J-PARC KOTO experi…