87-Fr-227  basic  element

87-francium-227 Atomic Mass: 227.0318332 +- 0.0001026 amu Excess Mass: 29652.399 +- 95.575 keV Binding Energy: 1734473.132 +- 95.575 keV Beta Decay Energy: B- 2480.093 +- 95.544 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: 1/2+ Half life: 2.47 min Mode of decay: Beta to Ra-227 Decay energy: 2.490 MeV Possible parent nuclides: Beta from Rn-227 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 2.4 m 1/2+ +1.50(3) [211Fr] ABLS PL 163B 66 (85) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.