Browsing Tag
radioactive decay
2 posts
New isotope aluminum-20 seen in rare 3-proton decay
The first-ever observation of the isotope aluminum-20 reveals a rare three-proton decay and challenges a fundamental symmetry in nuclear physics.
Physicists discover astatine-188, the heaviest known proton-emitting nucleus
At a Glance An international team of physicists has announced the discovery of astatine-188 188At, a new atomic…