40-Zr-90
Spin
Level energy(keV) Spin & Parity
----------------------------------------
ground state 0+
2.31899E+03 5-
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)
89.904697659 ± 0.000001984 (amu) [mass excess = -88773.558 ± 1.849 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-6111.336 ± 3.366 (keV)
Strong Gamma-rays from Decay of Zr- 90 (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
----------------------------------------------------------
132.72 4.18 IT
2186.24 18.18 IT
2318.96 83. 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
IT 809.2 MS 20
Cross Sections (taken from JENDL-4.0)
Table of cross sections, Zr-90.
Figures of cross sections, Zr-90: 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
Zr- 90 (Z= 40, A= 90), MT= 2 (Elastic scattering)
Zr- 90 (Z= 40, A= 90), MT= 4 (Inelastic scattering)
Zr- 91 (Z= 40, A= 91), MT= 16 (n,2n)
Zr- 92 (Z= 40, A= 92), MT= 17 (n,3n)
Mo- 92 (Z= 42, A= 92), MT=106 (n,3He)
Mo- 94 (Z= 42, A= 94), MT= 22 (n,nα)
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)
-----------------------------------------------------------
Zr- 90 U-235 Thermal 8.032000e-13 5.140500e-13
Zr- 90 U-235 Fast 3.037530e-13 1.944020e-13
Zr- 90 U-235 High 7.309810e-10 4.678290e-10
Zr- 90 U-238 Fast 5.987230e-15 3.831840e-15
Zr- 90 U-238 High 2.092780e-12 1.339380e-12
Zr- 90 Pu-239 Thermal 1.153740e-10 7.383940e-11
Zr- 90 Pu-239 Fast 4.017850e-11 2.571420e-11
Zr- 90 Pu-239 High 4.941300e-09 3.162430e-09
Zr- 90 Pu-241 Thermal 6.433040e-13 4.117150e-13
Zr- 90 Pu-241 Fast 2.580160e-13 1.651300e-13
-----------------------------------------------------------
Zr- 90m U-235 Thermal 3.380130e-12 2.163300e-12
Zr- 90m U-235 Fast 1.472580e-12 9.424510e-13
Zr- 90m U-235 High 5.737880e-09 3.672250e-09
Zr- 90m U-238 Fast 2.902580e-14 1.857660e-14
Zr- 90m U-238 High 1.642740e-11 1.051350e-11
Zr- 90m Pu-239 Thermal 4.855310e-10 3.107410e-10
Zr- 90m Pu-239 Fast 1.947840e-10 1.246610e-10
Zr- 90m Pu-239 High 3.878710e-08 2.482370e-08
Zr- 90m Pu-241 Thermal 2.707240e-12 1.732630e-12
Zr- 90m Pu-241 Fast 1.250850e-12 8.005440e-13
-----------------------------------------------------------
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)
-----------------------------------------------------------
Zr- 90 U-235 Thermal 5.772090e-02 5.865160e-04
Zr- 90 U-235 Fast 5.452160e-02 4.035290e-04
Zr- 90 U-235 High 4.599230e-02 1.287430e-03
Zr- 90 U-238 Fast 3.246620e-02 4.545850e-04
Zr- 90 U-238 High 3.191430e-02 8.932740e-04
Zr- 90 Pu-239 Thermal 2.103390e-02 4.209450e-04
Zr- 90 Pu-239 Fast 2.047910e-02 1.434990e-04
Zr- 90 Pu-239 High 2.103750e-02 2.313040e-03
Zr- 90 Pu-241 Thermal 1.535540e-02 2.150330e-04
Zr- 90 Pu-241 Fast 1.549330e-02 3.105910e-04
-----------------------------------------------------------
Zr- 90m U-235 Thermal 1.022120e-10 6.541600e-11
Zr- 90m U-235 Fast 5.538010e-11 3.544330e-11
Zr- 90m U-235 High 1.988330e-08 1.272530e-08
Zr- 90m U-238 Fast 2.889920e-12 1.849550e-12
Zr- 90m U-238 High 2.256170e-10 1.443950e-10
Zr- 90m Pu-239 Thermal 2.615070e-09 1.673650e-09
Zr- 90m Pu-239 Fast 1.340880e-09 8.581620e-10
Zr- 90m Pu-239 High 6.753480e-08 3.799080e-08
Zr- 90m Pu-241 Thermal 7.963780e-11 5.096820e-11
Zr- 90m Pu-241 Fast 3.535470e-11 2.262700e-11
-----------------------------------------------------------
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