39-Y-89
- Atomic Mass: 88.9058479 ± 0.0000025 amu
- Excess Mass: -87702.101 ± 2.345 keV
- Binding Energy: 775538.048 ± 2.349 keV
- Beta Decay Energy: B- -2832.685 ± 2.527 keV
- Atomic Percent Abundance: 100%
- Spin: 1/2-
- Stable Isotope
Meta state at 0.909 Mev
- Spin: 9/2+
- Half life: 16.06 S ( 0.2491 % )
- Mode of decay: IT
-
-
Possible parent nuclides:
-
Beta from Sr-89
-
Electron capture from Zr-89
Fission Yields
|
Fissile with Neutron Energy
|
Yields ( sum = 2 )
|
|
Direct
|
Accumulated
|
|
U-235 with 0.0253 eV
|
2.50481E-09
|
4.88502E-02
|
|
U-235 with 1.0 MeV
|
6.76000E-10
|
4.53465E-02
|
|
U-238 with 1.0 MeV
|
8.69179E-12
|
2.84852E-02
|
|
Pu-239 with 0.0253 eV
|
6.37817E-09
|
1.71228E-02
|
|
Pu-239 with 1.0 MeV
|
3.89546E-09
|
1.75171E-02
|
Fission Yields to Meta State
|
Fissile with Neutron Energy
|
Yields ( sum = 2 )
|
|
Direct
|
Accumulated
|
|
U-235 with 0.0253 eV
|
1.08322E-08
|
7.33835E-06
|
|
U-235 with 1.0 MeV
|
3.35819E-09
|
6.80533E-06
|
|
U-238 with 1.0 MeV
|
4.31785E-11
|
4.27282E-06
|
|
Pu-239 with 0.0253 eV
|
2.75828E-08
|
2.59600E-06
|
|
Pu-239 with 1.0 MeV
|
1.93516E-08
|
2.64691E-06
|
Total Cross Section
- at 0.0253 eV = 8.995 b
- Maxwell avg. at 0.0253 eV = 8.849 b
- at 14 MeV = 4.336 b
- Fission spectrum avg. = 5.653 b
- g-factor = 1.1100
Elastic Scattering Cross Section
- at 0.0253 eV = 7.713 b
- Maxwell avg. at 0.0253 eV = 7.712 b
- at 14 MeV = 2.725 b
- Fission spectrum avg. = 5.036 b
- g-factor = 1.1283
Total Inelastic Cross Section
- at 14 MeV = 577.5 mb
- Fission spectrum avg. = 608.3 mb
(n,2n) Cross Section
- at 14 MeV = 847.5 mb
- Fission spectrum avg. = 133.5 micro barn
(n,na) Cross Section
- at 14 MeV = 1.018 micro barn
- Fission spectrum avg. = 0.02988 micro barn
(n,np) Cross Section
- at 14 MeV = 152.3 mb
- Fission spectrum avg. = 88.26 micro barn
(n,nd) Cross Section
- Fission spectrum avg. = 1.575260e-11 b
Radiative Capture Cross Section
- at 0.0253 eV = 1.277 b
- Maxwell avg. at 0.0253 eV = 1.132 b
- Resonance integral = 868.1 mb
- at 14 MeV = 1.059 mb
- Fission spectrum avg. = 6.260 mb
- g-factor = 1.0002
(n,p) Cross Section
- at 14 MeV = 25.93 mb
- Fission spectrum avg. = 204.4 micro barn
(n,d) Cross Section
- at 14 MeV = 1.871 mb
- Fission spectrum avg. = 0.4459 micro barn
(n,t) Cross Section
- at 14 MeV = 0.6100 micro barn
- Fission spectrum avg. = 0.003241 micro barn
(n,He3) Cross Section
- at 14 MeV = 1.376360e-13 b
- Fission spectrum avg. = 6.034270e-12 b
(n,alpha) Cross Section
- at 14 MeV = 4.482 mb
- Fission spectrum avg. = 2.757 micro barn
Element Y