Long-lived neutral-kaon flux measurement for the KOTO experiment

T. Masuda, J. K. Ahn, S. Banno +54

The KOTO ($K^0$ at Tokai) experiment aims to observe the CP-violating rare decay $K_L\to {\pi }^0\nu \bar{\nu }$ by using a long-lived neutral-kaon beam produced by the 30 GeV proton…