Basic Info
Fission Yield
n-XS summary
element
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Information about Barium-137:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 136.905821 | ± | 0.000003 | amu |
| Excess Mass (Δ): | -87.726774 | ± | 0.002980 | MeV |
| Binding Energy: | 1149.686208 | ± | 0.002986 | MeV |
| β- Decay Energy: | -0.600107 | ± | 0.047771 | MeV |
"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra,
Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.
Radioactive Decay Data:
- Atomic Percent Abundance: 11.23%
- Spin: 3/2+
- Stable Isotope
Meta state at 0.661 Mev
- Spin: 11/2-
- Half life: 2.552 min ( 153.12 sec., λ = 0.00452682 s-1)
- Mode of decay: γ (IT) (Q = 0.662 MeV)
- Possible parent nuclides:
- β- from
- E.C. from
R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)
Magnetic Dipole Moments and Electric Quadrupole Moments
| Ex(kev) | T1/2 | Spin | | m(nm) | | Q(b) | | Ref. Std. | Method | Reference |
| 0 | stable | 3/2+ | | +0.93737(2) | | | | | OP | ZP 249 205 (72) |
| | | | 0.93734(2) | | | | [135Ba] | N | ZP A288 11 (78) |
| | | | | | +0.245(4) st | | | R | ZP A329 407 (88) |
| | | | | | +0.23(3) st | | | "OL, R" | NP A403 234 (83)/ZP A277 107(76) |
| | | | | | 0.246(2) | | | R | PR A33 2117 (86) |
| | | | | | 0.23(2) | | | CFBLS | PR A33 2117 (86) |
| | | | | | 0.34(4) | | | ABLS | ZP A290 231 (79) |
| | | | | | 0.35(8) | | | ABLRFS | ZP A306 195 (82) |
| 662 | 2.55 m | 11/2- | | -0.99(3) | | | | "[135,137Ba]" | "ABLRFS, R" | NP A403 234 (83) |
| | | | | | +0.78(9) | | "[135,137Ba]" | "ABLRFS, R" | NP A403 234 (83) |
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N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published. 2000 Courtesy of T. Burrows at BNL/NNDC.
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