Oct 11, 2024 · The newly-discovered isotope, plutonium-227, has a half-life of 0.78 seconds, according to a team of physicists from China. The region of the nuclear chart 87≤Z≤97 and 112≤N≤136 shows the new isotope plutonium-227 (red star) and the 12 nuclides (blue star) that were discovered at the Institute of Modern Physics at the Chinese Academy of Sciences.