Measurement of the mesonic decay branch of the $\bar{K}NN$ quasi-bound state

T. Yamaga, S. Ajimura, H. Asano +67

We conducted measurements of $K^{-}+{}^3\mathrm{He}\to \ddot{I}€YN+N^{\prime }$ reactions using a $1\mathrm{GeV}/c$ $K^{-}$-beam, with the objective of understanding the broad decay width of $\ba…