Observation of a $\bar{K}NN$ bound state in the ${}^3\mathrm{He}(K^{-},\Lambda p)n$ reaction

T. Yamaga, S. Ajimura, H. Asano +66

We have performed an exclusive measurement of the $K^{-}+{}^3\mathrm{He}\to \Lambda pn$ reaction at an incident kaon momentum of $1\mathrm{GeV}/c$.In the $\Lambda p$ invariant mass spectrum, a…