Precise measurement of the $\Lambda$-binding energy difference between ${}_{\Lambda }^3$H and ${}_{\Lambda }^4$H via decay-pion spectroscopy at MAMI

Ryoko Kino, Sho Nagao, Patrick Achenbach +31

We performed high-precision decay-pion spectroscopy of light $\Lambda$ hypernuclei at the Mainz Microtron (MAMI) using the A1 spectrometer facility. By measuring the monochromatic ${\pi }^{-}$…