38-Sr-87
- Atomic Mass: 86.9088793 ± 0.0000024 amu
- Excess Mass: -84878.358 ± 2.204 keV
- Binding Energy: 757354.013 ± 2.208 keV
- Beta Decay Energy: B- -1861.606 ± 1.366 keV
- Atomic Percent Abundance: 7.00% 1
- Spin: 9/2+
- Stable Isotope
Meta state at 0.389 Mev
- Spin: 1/2-
- Half life: 2.827 H ( 0.0354 % )
- Mode of decay: IT
- Branch ratio: 99.70
- Decay energy: 0.389 MeV
- Mode of decay: Electron capture to Rb-87
- Branch ratio: 0.30
- Decay energy: 0.106 MeV
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-
Possible parent nuclides:
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Beta from Rb-87
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Electron capture from Y-87
Fission Yields
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Fissile with Neutron Energy
|
Yields ( sum = 2 )
|
|
Direct
|
Accumulated
|
|
U-235 with 0.0253 eV
|
3.59883E-08
|
2.55433E-02
|
|
U-235 with 1.0 MeV
|
1.17237E-08
|
2.47030E-02
|
|
U-238 with 1.0 MeV
|
2.17853E-10
|
1.58800E-02
|
|
Pu-239 with 0.0253 eV
|
8.22204E-08
|
9.89145E-03
|
|
Pu-239 with 1.0 MeV
|
5.81214E-08
|
1.00277E-02
|
Fission Yields to Meta State
|
Fissile with Neutron Energy
|
Yields ( sum = 2 )
|
|
Direct
|
Accumulated
|
|
U-235 with 0.0253 eV
|
8.32183E-09
|
8.32288E-09
|
|
U-235 with 1.0 MeV
|
2.35997E-09
|
2.36023E-09
|
|
U-238 with 1.0 MeV
|
4.38535E-11
|
4.38542E-11
|
|
Pu-239 with 0.0253 eV
|
1.90124E-08
|
1.90176E-08
|
|
Pu-239 with 1.0 MeV
|
1.16998E-08
|
1.17031E-08
|
Total Cross Section
- at 0.0253 eV = 22.90 b
- Maxwell avg. at 0.0253 eV = 21.16 b
- at 14 MeV = 4.334 b
- Fission spectrum avg. = 5.669 b
- g-factor = 1.0430
Elastic Scattering Cross Section
- at 0.0253 eV = 6.897 b
- Maxwell avg. at 0.0253 eV = 6.894 b
- at 14 MeV = 2.837 b
- Fission spectrum avg. = 5.050 b
- g-factor = 1.1279
Total Inelastic Cross Section
- at 14 MeV = 219.4 mb
- Fission spectrum avg. = 602.9 mb
(n,2n) Cross Section
- at 14 MeV = 1.249 b
- Fission spectrum avg. = 1.781 mb
(n,na) Cross Section
- at 14 MeV = 1.737 micro barn
- Fission spectrum avg. = 0.007058 micro barn
(n,np) Cross Section
- at 14 MeV = 1.413 mb
- Fission spectrum avg. = 0.3537 micro barn
(n,nd) Cross Section
- Fission spectrum avg. = 1.124020e-11 b
Radiative Capture Cross Section
- at 0.0253 eV = 16.00 b
- Maxwell avg. at 0.0253 eV = 14.27 b
- Resonance integral = 121.0 b
- at 14 MeV = 1.002 mb
- Fission spectrum avg. = 10.87 mb
- g-factor = 1.0062
(n,p) Cross Section
- at 14 MeV = 19.52 mb
- Fission spectrum avg. = 601.6 micro barn
(n,d) Cross Section
- at 14 MeV = 1.455 mb
- Fission spectrum avg. = 0.3007 micro barn
(n,t) Cross Section
- at 14 MeV = 0.2528 micro barn
- Fission spectrum avg. = 0.003306 micro barn
(n,He3) Cross Section
- at 14 MeV = 1.896650e-15 b
- Fission spectrum avg. = 2.881170e-12 b
(n,alpha) Cross Section
- at 14 MeV = 5.761 mb
- Fission spectrum avg. = 28.33 micro barn
Element Sr