element
Information about Lead-199:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:198.972909±0.000071amu
    Excess Mass (Δ):-25.234743±0.065864MeV
    Binding Energy:1567.275002±0.065864MeV
    β- Decay Energy:-4.347812±0.124984MeV
"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.
Radioactive Decay Data:

  • Spin: 3/2-
  • Half life: 90 min ( 5400 sec., λ = 0.000128361 s-1)
  • Mode of decay:
    E.C.
    to
    199
    81
    Tl
      (Q = 2.880 MeV)
    Meta state at 0.425 Mev
  • Spin: 13/2+ 90
  • Half life: 12.2 min ( 732 sec., λ = 0.000946922 s-1)
  • Mode of decay: γ (IT)  (Q = 0.425 MeV)   Branch ratio: 93.00 %
  • Mode of decay:
    E.C.
    to
    199
    81
    Tl
      (Q = 3.305 MeV)   Branch ratio: 7.00 %

  • Possible parent nuclides:
    E.C. from
    199
    83
    Bi
    α from
    203
    84
    Po
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
01.5 h3/2- -1.0742(12) [207Pb]ABLRFSNP A451 471 (86)
+0.08(9) st ABLRFSNP A451 471 (86)
257910.6 ms29/2- -1.076(3) TDPADNP A482 573 (88)
-1.07(7) TDPADZP A322 83 (85)
350971 ns(33/2)+ -2.39(15) TDPADNP A482 573 (88)
-2.51(5) TDPADZP A322 83 (85)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.