88-Ra-211  basic  element

88-radium-211 Atomic Mass: 211.0008940 +- 0.0000708 amu Excess Mass: 832.752 +- 65.906 keV Binding Energy: 1633369.261 +- 65.907 keV Beta Decay Energy: B- -6291.495 +- 132.210 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: 5/2(-) Half life: 13 s Mode of decay: Alpha to Rn-207 Branch ratio: >93.00 % Decay energy: 7.046 MeV Mode of decay: EC to Fr-211 Branch ratio: <7.00 % Decay energy: 5.000 MeV Possible parent nuclides: Alpha from Th-215 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 13s 5/2- +0.878(4) "[213,225Ra]" "CFBLS, R" NP A483 244 (88)/PRL 59 771 (87) +0.48(4) st "[221,223Ra]" CFBLS ZP D11 105 (89) +0.46(5) st "CFBLS, R" NP A483 244 (88)/ZP D4 227 (87) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.