94-Pu-240  basic  n-XS summary  XS graphs  element

94-plutonium-240 Atomic Mass: 240.0538075 +- 0.0000021 amu Excess Mass: 50121.319 +- 1.947 keV Binding Energy: 1813454.935 +- 1.974 keV Beta Decay Energy: B- -1378.952 +- 13.790 keV "The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995. Spin: 0+ Half life: 6564 years Mode of decay: Alpha to U-236 Decay energy: 5.256 MeV Mode of decay: SF Branch ratio: 5.7E-6 % Meta state at 2.800 Mev Spin: (0+) Half life: 3.7 ns Mode of decay: SF Branch ratio: >0.00 % Possible parent nuclides: Beta from Np-240 Electron capture from Am-240 Alpha from Cm-244 R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)