鉭的同位素stable nuclear isomer, believed to decay by isomeric transition to 180Ta, β− decay to 180W, or electron capture to 180Hf with a half-life over 1.2×1015 years
电子亲合能electric dipole transition in an atomic negative ion". 物理評論快報(Physical Review Letters)85:534–37. 1 摘要 Bilodeau, R.C.; Haugen, H.K. (2001). "Electron affinity