53-I-140
Spin
Level energy(keV) Spin & Parity
----------------------------------------
ground state (4-)
Mass (The Ame2012 atomic mass evaluation (II) by M.Wang, G.Audi, A.H.Wapstra, F.G.Kondev, M.MacCormick, X.Xu, and B.Pfeiffer
Chinese Physics C36 p. 1603-2014, December 2012)
139.931727000 ± 0.000195000 (amu) [mass excess = -63595.890 ± 181.641 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
9390.561 ± 181.656 (keV)
Strong Gamma-rays from Decay of I-140 (Compiled from ENSDF as of March 2011)
[ Intensities before May 23th of 2013 were values when total intensity of the decay mode was 100(%) and a branching ratio of each decay mode was not multiplied. ]
γ-ray energy(keV) Intensity(%) Decay mode
----------------------------------------------------------
376.66 97.99 B-
457.63 67.86 B-
937.4 18.76 B-
----------------------------------------------------------
*: relative, ~ approximate, ? calculated or estimatted
>: greater than or equal to, <: less than or equal to
[ Intensities; total intensity of the nuclide is 100(%). ]
Decay data(Chart of the Nuclides 2014)
Decay mode Half-life
B- 0.86 S 4
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Fission Yields for Fission Products in JENDL-4.0 Fission Yield Data
- Neutron-induced Fission Yields (from main actinide nuclides) - Independent Fission Yield -
Product Nuclide Energy Fission Yield Uncertainty(1σ)
-----------------------------------------------------------
I-140 U-235 Thermal 1.365410e-03 3.140450e-04
I-140 U-235 Fast 1.111600e-03 7.114270e-04
I-140 U-235 High 2.347510e-04 1.502410e-04
I-140 U-238 Fast 8.696820e-03 5.565960e-03
I-140 U-238 High 3.497270e-03 2.238260e-03
I-140 Pu-239 Thermal 5.943970e-04 3.804140e-04
I-140 Pu-239 Fast 3.178980e-04 2.034550e-04
I-140 Pu-239 High 1.163050e-04 7.443550e-05
I-140 Pu-241 Thermal 2.089270e-03 1.337130e-03
I-140 Pu-241 Fast 1.833890e-03 1.173690e-03
-----------------------------------------------------------
Thermal=0.0253eV, Fast=500keV(Fast reactor spectrum), High=14MeV
- Neutron-induced Fission Yields (from main actinide nuclides) - Cumulative Fission Yield -
Product Nuclide Energy Fission Yield Uncertainty(1σ)
-----------------------------------------------------------
I-140 U-235 Thermal 1.522960e-03 3.536870e-04
I-140 U-235 Fast 1.120020e-03 7.168140e-04
I-140 U-235 High 2.357790e-04 7.536160e-05
I-140 U-238 Fast 8.870450e-03 3.995860e-03
I-140 U-238 High 3.541410e-03 2.266070e-03
I-140 Pu-239 Thermal 5.957120e-04 1.906860e-04
I-140 Pu-239 Fast 3.186560e-04 2.039400e-04
I-140 Pu-239 High 1.166880e-04 7.464960e-05
I-140 Pu-241 Thermal 2.099340e-03 1.343580e-03
I-140 Pu-241 Fast 1.846420e-03 1.181710e-03
-----------------------------------------------------------
Thermal=0.0253eV, Fast=500keV(Fast reactor spectrum), High=14MeV
→ Neutron-induced and Spontaneous Fission Yields of all nuclides in JENDL-4.0 Fission Yield Data