Fig. 8: Behaviors of various components of the Breit–Wigner formula.

a The penetration factors Pl(Er; R) and b the shift functions Sl(Er) for various angular momenta l. c The function \(\sqrt{{E}_{{{{{{{{\rm{r}}}}}}}}}}\).
a The penetration factors Pl(Er; R) and b the shift functions Sl(Er) for various angular momenta l. c The function \(\sqrt{{E}_{{{{{{{{\rm{r}}}}}}}}}}\).