38-Sr-90
Sr-90 is a pure beta emitter. This nuclide is used for thickeness gauge of paper, thin metal, rubber.
- Atomic Mass: 89.9077376 ± 0.0000029 amu
- Excess Mass: -85941.863 ± 2.727 keV
- Binding Energy: 782631.486 ± 2.730 keV
- Beta Decay Energy: B- 545.998 ± 1.409 keV
- Spin: 0+
- Half life: 28.78 Y ( 0.1390 % )
- Mode of decay: Beta to Y-90
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Possible parent nuclides:
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Beta from Rb-90
Fission Yields
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Fissile with Neutron Energy
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Yields ( sum = 2 )
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Direct
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Accumulated
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U-235 with 0.0253 eV
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3.56271E-04
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5.90449E-02
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U-235 with 1.0 MeV
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2.19032E-04
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5.43412E-02
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U-238 with 1.0 MeV
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1.78309E-05
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3.24308E-02
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Pu-239 with 0.0253 eV
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5.05414E-04
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2.10110E-02
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Pu-239 with 1.0 MeV
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3.48306E-04
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2.03520E-02
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Total Cross Section
- at 0.0253 eV = 5.819 b
- Maxwell avg. at 0.0253 eV = 5.823 b
- at 14 MeV = 4.336 b
- Fission spectrum avg. = 5.661 b
- g-factor = 1.1292
Elastic Scattering Cross Section
- at 0.0253 eV = 5.804 b
- Maxwell avg. at 0.0253 eV = 5.804 b
- at 14 MeV = 2.834 b
- Fission spectrum avg. = 4.820 b
- g-factor = 1.1284
Total Inelastic Cross Section
- at 14 MeV = 140.2 mb
- Fission spectrum avg. = 832.7 mb
(n,2n) Cross Section
- at 14 MeV = 1.356 b
- Fission spectrum avg. = 3.344 mb
(n,3n) Cross Section
- Fission spectrum avg. = 4.040 micro barn
(n,na) Cross Section
- at 14 MeV = 75.33 micro barn
- Fission spectrum avg. = 0.02949 micro barn
(n,np) Cross Section
- at 14 MeV = 1.029 micro barn
- Fission spectrum avg. = 0.01984 micro barn
(n,nd) Cross Section
- Fission spectrum avg. = 9.463270e-13 b
Radiative Capture Cross Section
- at 0.0253 eV = 15.00 mb
- Maxwell avg. at 0.0253 eV = 13.30 mb
- Resonance integral = 89.96 mb
- at 14 MeV = 1.003 mb
- Fission spectrum avg. = 4.211 mb
- g-factor = 1.0005
(n,p) Cross Section
- at 14 MeV = 4.321 mb
- Fission spectrum avg. = 1.079 micro barn
(n,d) Cross Section
- at 14 MeV = 10.73 micro barn
- Fission spectrum avg. = 0.02206 micro barn
(n,t) Cross Section
- at 14 MeV = 1.450 micro barn
- Fission spectrum avg. = 0.007726 micro barn
(n,alpha) Cross Section
- at 14 MeV = 1.481 mb
- Fission spectrum avg. = 0.7526 micro barn
Element Sr