Proposal of the KOTO II experiment

Jung Keun Ahn, Antonella Antonelli, Giuseppina Anzivino +79

The KOTO II experiment is proposed to measure the branching ratio of the decay $K_L\to \ddot{I}{€}^0\hat{I}½\bar{\hat{I}}½$ at J-PARC. With a beamline to extract long-lived neutral kaons at 5 degrees from…