131
49
In


Basic Info

Fission Yield

element 		Information about Indium-131:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation
    Mass-Energy Data:

    Atomic Mass:130.926767±0.000082amu
    Excess Mass (Δ):-68.215710±0.076137MeV
    Binding Energy:1087.223681±0.076137MeV
    β- Decay Energy:9.173597±0.022198MeV
"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: (9/2+)
  • Half life: 0.28 s ( 0.28 sec., λ = 2.47553 s-1)
  • Mode of decay:
    β-
     to
    131
    50
    Sn
       (Q = 9.180 MeV)
  • Mode of decay: β- +
    1
    0
    n to
    130
    50
    Sn
       (Q = 3.970 MeV)   Branch ratio: <=2.00 %
    Meta state at 0.363 Mev
  • Spin: (1/2-) 0.28
  • Half life: 0.35 s ( 0.35 sec., λ = 1.98042 s-1)
  • Mode of decay:
    β-
     to
    131
    50
    Sn
       (Q = 9.543 MeV)   Branch ratio: >=99.98 %
  • Mode of decay: β- +
    1
    0
    n to
    130
    50
    Sn
       (Q = 4.333 MeV)   Branch ratio: <=2.00 %
  • Mode of decay: γ (IT) to
    131
    49
    In
       (Q = 0.363 MeV)   Branch ratio: <=0.02 %
    Meta state at 4.270 Mev
  • Spin: 21/2+) 0.35
  • Half life: 0.32 s ( 0.32 sec., λ = 2.16608 s-1)
  • Mode of decay:
    β-
     to
    131
    50
    Sn
       (Q = 13.450 MeV)   Branch ratio: >99.00 %
  • Mode of decay: γ (IT) to
    131
    49
    In
       (Q = 4.270 MeV)   Branch ratio: <1.00 %
  • Mode of decay: β- +
    1
    0
    n to
    130
    50
    Sn
       (Q = 8.240 MeV)   Branch ratio: 0.03 %
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)