72-Hf-178
Spin
Level energy(keV) Spin & Parity
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ground state 0+
1.14740E+03 8-
2.44600E+03 16+
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)
177.943705833 ± 0.000002029 (amu) [mass excess = -52437.678 ± 1.890 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-1837 ± 52 (keV) [derived from systematical trend]
Strong Gamma-rays from Decay of Hf-178 (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
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213.43 81.4 IT
325.56 94.1 IT
426.36 97.02 IT
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325.56 94.1 IT
426.36 96.55 IT
574.22 88.64 IT
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*: 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
IT 4.0 S 2
IT 31 Y 1
Cross Sections (taken from JENDL-4.0)
Table of cross sections, Hf-178.
Figures of cross sections, Hf-178: 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
Hf-177 (Z= 72, A=177), MT=102 (n,γ)
Hf-178 (Z= 72, A=178), MT= 2 (Elastic scattering)
Hf-178 (Z= 72, A=178), MT= 4 (Inelastic scattering)
Hf-179 (Z= 72, A=179), MT= 16 (n,2n)
Hf-180 (Z= 72, A=180), MT= 17 (n,3n)
W -180 (Z= 74, A=180), MT=106 (n,3He)
W -182 (Z= 74, A=182), MT= 22 (n,nα)
W -183 (Z= 74, A=183), MT= 24 (n,2nα)