38-Sr-85
 basic
 fission yield
 XS graphs

 element
38-strontium-85

Strontium-85 is used to study bone formation and metabolism.
  • Atomic Mass: 84.9129327 +- 0.0000037 amu
  • Excess Mass: -81102.665 +- 3.480 keV
  • Binding Energy: 737435.675 +- 3.481 keV
  • Beta Decay Energy: B- -3255.000 +- 25.000 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: 9/2+
  • Half life: 64.84 d
  • Mode of decay: Electron capture to Rb-85
    • Decay energy: 1.065 MeV

    Meta state at 0.239 Mev
  • Spin: 1/2-
  • Half life: 67.63 min
  • Mode of decay: IT
    • Branch ratio: 86.60 %
    • Decay energy: 0.239 MeV
  • Mode of decay: Electron capture to Rb-85
    • Branch ratio: 13.40 %
    • Decay energy: 1.304 MeV

  • Possible parent nuclides:
    Electron capture from Y-85
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)T1/2Spin    m(nm)    Q(b)    Ref. Std.MethodReference
064.8 d9/2+ -1.000(2) [87Sr]CFBLSPR C41 2883 (90)
-1.0005(3) [87Sr]ABLRFSZP A326 493 (87)
+0.29(3) st [87Sr]CFBLSPR C41 2883 (90)
23968 m1/2- +0.600(4) [87Sr]CFBLSPR C41 2883 (90)
+0.599(2) [87Sr]ABLRFSZP A326 493 (87)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.