97-Bk-249  basic  n-XS summary  XS graphs  element

97-berkelium-249 Atomic Mass: 249.0749799 +- 0.0000034 amu Excess Mass: 69843.351 +- 3.143 keV Binding Energy: 1864027.748 +- 3.160 keV Beta Decay Energy: B- 124.000 +- 1.414 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: 7/2+ Half life: 320 d Mode of decay: Beta to Cf-249 Decay energy: 0.125 MeV Mode of decay: Alpha to Am-245 Branch ratio: 0.0014 % Decay energy: 5.526 MeV Mode of decay: SF Branch ratio: 4.7E-8 % Possible parent nuclides: Beta from Cm-249 Alpha from Es-253 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) Magnetic Dipole Moments and Electric Quadrupole Moments Ex(kev) T1/2 Spin      m(nm)      Q(b)      Ref. Std. Method Reference 0 320 d 7/2+ 2.0(4) [241Am] EPR PL 44A 527 (73) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.