The team smashed atoms of calcium – with atomic number 20 – into a sheet of americium – with atomic number 95 – and other labs around the world repeated their experiments over the next decade to confirm its existence.

该团队序为 20 的钙粉碎成序为 95 的镅片，世界各地的其他实验下来的十年中重复了他们的实验以证实其存。