Precise lifetime measurement of ${}_{\Lambda }^4$H hypernucleus using in-flight ${}^4$He$(K^{-},{\pi }^0{)}_{\Lambda }^4$H reaction

T. Akaishi, H. Asano, X. Chen +35

We present a new measurement of the ${}_{\Lambda }^4$H hypernuclear lifetime using in-flight $K^{-}$ + ${}^4$He $\to$ ${}_{\Lambda }^4$H + ${\pi }^0$ reaction at the J-PARC hadron facility. We demonstrat…