The upper limit on the $K^{+}\to {\pi }^0{\pi }^0{\pi }^0{e}^{+}\nu$ decay

A. V. Kulik, S. N. Filippov, E. N. Gushchin +26

A search for the $K^{+}\to {\pi }^0{\pi }^0{\pi }^0{e}^{+}\nu$ decay is performed by the OKA collaboration. The search is based on $3.65\times 10^9{K}^{+}$ decays. No signal is observed. The upp…