63-Eu-154
Spin
Level energy(keV) Spin & Parity
----------------------------------------
ground state 3-
1.45300E+02 8-
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)
153.922986962 ± 0.000001857 (amu) [mass excess = -71737.183 ± 1.730 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
1968.156 ± 0.737 (keV)
Strong Gamma-rays from Decay of Eu-154 (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
----------------------------------------------------------
123.07 40.41 B-
723.30 20.06 B-
1274.43 34.83 B-
81.99 5.E-07 EC
184.68 7.E-07 EC
----------------------------------------------------------
35.80 12.58 IT
68.17 37. IT
100.88 26.64 IT
----------------------------------------------------------
*: 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- 8.601 Y 10
EC 8.601 Y 10
IT 46.0 M 4
Cross Sections (taken from JENDL-4.0)
Table of cross sections, Eu-154.
Figures of cross sections, Eu-154: type-1: type-2: type-3.
type-1: total, elastic and inelastic scattering, capture and fision cross sections
type-2: same as type-1 but cross sections are averaged in 70 energy group intervals
type-3: threshold reaction cross sections
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Eu-153 (Z= 63, A=153), MT=102 (n,γ)
Eu-154 (Z= 63, A=154), MT= 2 (Elastic scattering)
Eu-154 (Z= 63, A=154), MT= 4 (Inelastic scattering)
Eu-155 (Z= 63, A=155), MT= 16 (n,2n)
Eu-156 (Z= 63, A=156), MT= 17 (n,3n)
Gd-154 (Z= 64, A=154), MT=103 (n,p)
Gd-155 (Z= 64, A=155), MT= 28 (n,np)
Gd-155 (Z= 64, A=155), MT=104 (n,d)
Gd-156 (Z= 64, A=156), MT= 32 (n,nd)
Gd-156 (Z= 64, A=156), MT=105 (n,t)
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)
-----------------------------------------------------------
Eu-154 U-235 Thermal 1.018820e-09 6.520430e-10
Eu-154 U-235 Fast 2.980850e-10 1.907750e-10
Eu-154 U-235 High 1.033850e-06 6.616620e-07
Eu-154 U-238 Fast 3.969730e-11 2.540630e-11
Eu-154 U-238 High 6.695790e-09 4.285310e-09
Eu-154 Pu-239 Thermal 1.472570e-07 9.424440e-08
Eu-154 Pu-239 Fast 2.269950e-07 1.452770e-07
Eu-154 Pu-239 High 1.885660e-05 1.206830e-05
Eu-154 Pu-241 Thermal 1.615080e-09 1.033650e-09
Eu-154 Pu-241 Fast 6.056050e-09 3.875870e-09
-----------------------------------------------------------
Eu-154m U-235 Thermal 9.180980e-10 5.875830e-10
Eu-154m U-235 Fast 3.216350e-10 2.058460e-10
Eu-154m U-235 High 1.980290e-06 1.267380e-06
Eu-154m U-238 Fast 4.283350e-11 2.741340e-11
Eu-154m U-238 High 1.282550e-08 8.208300e-09
Eu-154m Pu-239 Thermal 1.326990e-07 8.492740e-08
Eu-154m Pu-239 Fast 2.449280e-07 1.567540e-07
Eu-154m Pu-239 High 3.611900e-05 2.311620e-05
Eu-154m Pu-241 Thermal 1.455420e-09 9.314650e-10
Eu-154m Pu-241 Fast 6.534490e-09 4.182070e-09
-----------------------------------------------------------
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)
-----------------------------------------------------------
Eu-154 U-235 Thermal 1.936920e-09 1.239630e-09
Eu-154 U-235 Fast 6.197200e-10 3.900280e-10
Eu-154 U-235 High 3.014130e-06 1.692380e-06
Eu-154 U-238 Fast 8.253080e-11 5.182170e-11
Eu-154 U-238 High 1.952130e-08 1.096310e-08
Eu-154 Pu-239 Thermal 2.799550e-07 1.791710e-07
Eu-154 Pu-239 Fast 4.719240e-07 2.964690e-07
Eu-154 Pu-239 High 5.497560e-05 3.088070e-05
Eu-154 Pu-241 Thermal 3.070500e-09 1.965120e-09
Eu-154 Pu-241 Fast 1.259050e-08 7.914130e-09
-----------------------------------------------------------
Eu-154m U-235 Thermal 9.180980e-10 5.875830e-10
Eu-154m U-235 Fast 3.216350e-10 2.058460e-10
Eu-154m U-235 High 1.980290e-06 1.265510e-06
Eu-154m U-238 Fast 4.283350e-11 2.740340e-11
Eu-154m U-238 High 1.282550e-08 8.199410e-09
Eu-154m Pu-239 Thermal 1.326990e-07 8.492740e-08
Eu-154m Pu-239 Fast 2.449280e-07 1.567540e-07
Eu-154m Pu-239 High 3.611900e-05 2.310120e-05
Eu-154m Pu-241 Thermal 1.455420e-09 9.313140e-10
Eu-154m Pu-241 Fast 6.534490e-09 4.182070e-09
-----------------------------------------------------------
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