Discovery of an Exceptionally Strong $\beta$-Decay Transition of ${}^{20}$F and Implications for the Fate of Intermediate-Mass Stars

O. S. Kirsebom, S. Jones, D. F. Strömberg +21

A significant fraction of stars between 7-11 solar masses are thought to become supernovae, but the explosion mechanism is unclear. The answer depends critically on the rate of ele…