Predicted α-decay chain of new element 119 isotopes (²⁹³,²⁹⁴119), highlighting several as-yet-undiscovered nuclei. The proposed use of ⁴⁰Ar beams offers a promising approach for synthesizing key ...

Elements that do not exist in nature—that have been created in a laboratory—are unstable. After hours or days of one element bombarding another with enough energy for both to fuse, the resulting new ...