40-Zr-90
- Atomic Mass: 89.9047037 ± 0.0000023 amu
- Excess Mass: -88767.938 ± 2.177 keV
- Binding Energy: 783892.854 ± 2.180 keV
- Beta Decay Energy: B- -6111.000 ± 4.000 keV
- Atomic Percent Abundance: 51.45% 3
- Spin: 0+
- Stable Isotope
Meta state at 2.319 Mev
- Spin: 5-
- Half life: 809.2 MS ( 0.2472 % )
- Mode of decay: IT
-
-
Possible parent nuclides:
-
Beta from Y-90
-
Electron capture from Nb-90
Fission Yields
|
Fissile with Neutron Energy
|
Yields ( sum = 2 )
|
|
Direct
|
Accumulated
|
|
U-235 with 0.0253 eV
|
1.05447E-11
|
5.90453E-02
|
|
U-235 with 1.0 MeV
|
1.91401E-12
|
5.43413E-02
|
|
U-238 with 1.0 MeV
|
1.60559E-14
|
3.24308E-02
|
|
Pu-239 with 0.0253 eV
|
4.20862E-11
|
2.10120E-02
|
|
Pu-239 with 1.0 MeV
|
1.91545E-11
|
2.03528E-02
|
Fission Yields to Meta State
|
Fissile with Neutron Energy
|
Yields ( sum = 2 )
|
|
Direct
|
Accumulated
|
|
U-235 with 0.0253 eV
|
4.43431E-11
|
6.45192E-11
|
|
U-235 with 1.0 MeV
|
9.28096E-12
|
1.72374E-11
|
|
U-238 with 1.0 MeV
|
7.78541E-14
|
2.09673E-13
|
|
Pu-239 with 0.0253 eV
|
1.76984E-10
|
2.23838E-10
|
|
Pu-239 with 1.0 MeV
|
9.28790E-11
|
1.30137E-10
|
Total Cross Section
- at 0.0253 eV = 5.377 b
- Maxwell avg. at 0.0253 eV = 5.378 b
- at 14 MeV = 4.336 b
- Fission spectrum avg. = 5.650 b
- g-factor = 1.1285
Elastic Scattering Cross Section
- at 0.0253 eV = 5.365 b
- Maxwell avg. at 0.0253 eV = 5.365 b
- at 14 MeV = 2.673 b
- Fission spectrum avg. = 5.160 b
- g-factor = 1.1284
Total Inelastic Cross Section
- at 14 MeV = 925.7 mb
- Fission spectrum avg. = 480.1 mb
(n,2n) Cross Section
- at 14 MeV = 611.3 mb
- Fission spectrum avg. = 83.00 micro barn
(n,na) Cross Section
- at 14 MeV = 21.13 micro barn
- Fission spectrum avg. = 0.03670 micro barn
(n,np) Cross Section
- at 14 MeV = 74.46 mb
- Fission spectrum avg. = 16.94 micro barn
(n,nd) Cross Section
- Fission spectrum avg. = 4.994260e-13 b
Radiative Capture Cross Section
- at 0.0253 eV = 11.12 mb
- Maxwell avg. at 0.0253 eV = 9.862 mb
- Resonance integral = 173.6 mb
- at 14 MeV = 1.030 mb
- Fission spectrum avg. = 7.934 mb
- g-factor = 1.0003
(n,p) Cross Section
- at 14 MeV = 41.04 mb
- Fission spectrum avg. = 174.5 micro barn
(n,d) Cross Section
- at 14 MeV = 1.120 mb
- Fission spectrum avg. = 0.2433 micro barn
(n,t) Cross Section
- at 14 MeV = 0.001548 micro barn
- Fission spectrum avg. = 0.001729 micro barn
(n,He3) Cross Section
- at 14 MeV = 3.771490e-10 b
- Fission spectrum avg. = 2.817940e-11 b
(n,alpha) Cross Section
- at 14 MeV = 8.385 mb
- Fission spectrum avg. = 11.51 micro barn
(n,2p) Cross Section
- at 14 MeV = 2.514920e-10 b
- Fission spectrum avg. = 2.860580e-11 b
Element Zr