Xu Xiaodong

“Aluminum-20 is the lightest aluminum isotope that has been discovered so far. Located beyond the proton drip line, it has seven fewer neutrons than the stable aluminum isotope,”

Xu Xiaodong · said date not stated · reported 2025-07-21

Physicists have reported the first observation and spectroscopy of aluminum-20, an unstable isotope that decays via three-proton emission.

“This study advances our understanding of the proton-emission phenomena, and provides insights into the structure and decay of nuclei beyond the proton drip line,”

Xu Xiaodong · said date not stated · reported 2025-07-21

Xu Xiaodong explained the scientific significance of discovering the three-proton-emitting isotope aluminum-20.