$beta$-delayed $gamma$-proton decay in $^{56}$Zn: analysis of the charged-particle spectrum

A study of the $beta$ decay of the proton-rich $T_{z}$ = -2 nucleus $^{56}$Zn has been reported in a recent publication. A rare and exotic decay mode, $beta$-delayed $gamma$-proton decay, has been observed there for the first time in the $fp$ shell. Here we expand on some of the details of the data analysis, focussing on the charged particle spectrum.