5-B-12  basic  element

5-boron-12 Atomic Mass: 12.0143521 +- 0.0000015 amu Excess Mass: 13368.901 +- 1.400 keV Binding Energy: 79575.205 +- 1.400 keV Beta Decay Energy: B- 13368.901 +- 1.400 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: 1+ Half life: 20.20 ms Mode of decay: Beta to C-12 Decay energy: 13.369 MeV Mode of decay: Beta + 3 Alpha Branch ratio: 1.58 % Possible parent nuclides: Beta from Be-12 Beta + 2 N from Be-14 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 20.4 ms 1+ +1.00272(11) b-NMR NP A516 365 (90) +1.00306(+15/-14) b-NMR PR C2 1219 (70) PR C5 1435 (72) 0.0132(3) [11B] b-NNQR HFI 78 185 (93) 0.0134(14) st [11B] b-NMR HFI 4 224 (78) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.