Basic Info

Fission Yield

n-XS summary


element
Information about Promethium-148:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:147.917468±0.000007amu
    Excess Mass (Δ):-76.878251±0.006674MeV
    Binding Energy:1223.710469±0.006677MeV
    β- Decay Energy:2.468339±0.006073MeV
"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: 1-
  • Half life: 5.370 days ( 463968 sec., λ = 1.49395×10-06 s-1)
  • Mode of decay:
    β-
    to
    148
    62
    Sm
      (Q = 2.468 MeV)
    Meta state at 0.138 Mev
  • Spin: 6- 5.370
  • Half life: 41.29 days ( 3.56746×10+06 sec., λ = 1.94297×10-07 s-1)
  • Mode of decay:
    β-
    to
    148
    62
    Sm
      (Q = 2.606 MeV)   Branch ratio: 95.00 %
  • Mode of decay: γ (IT)  (Q = 0.138 MeV)   Branch ratio: 5.00 %
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
05.37 d1- +2.1(2) ABPR 138 B1356 (65)
1.8(2) NO/SPR 130 1100 (63)
+0.2(2) ABPR 138 B1356 (65)
13741.3 d6- 1.8(2) NO/SPR 130 1100 (63)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.