Basic Info
n-XS summary
element
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Information about Hafnium-178:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 177.943698 | ± | 0.000003 | amu |
| Excess Mass (Δ): | -52.445216 | ± | 0.002515 | MeV |
| Binding Energy: | 1432.811231 | ± | 0.002527 | MeV |
| β- Decay Energy: | -1.912000 | ± | 0.100499 | 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: 27.297%
- Spin: 0+
- Stable Isotope
Meta state at 1.147 Mev
- Spin: 8-
- Half life: 4.0 s ( 4 sec., λ = 0.173287 s-1)
- Mode of decay: γ (IT) (Q = 1.147 MeV)
Meta state at 2.446 Mev
- Spin: 16+
4.0
- Half life: 31 years ( 9.7774×10+08 sec., λ = 7.08928×10-10 s-1)
- Mode of decay: γ (IT) (Q = 2.446 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 |
| 93 | 1.47 ns | 2+ | | +0.48(3) | | | | | CEAD | NP A109 201 (68) |
| | | | +0.60(4) | | | | | IPAC | ArkF 22 257 (62) |
| | | | | | -2.02(2) a | | | Mu-X | PR C30 350 (84) |
| 1147 | 4 s | 8- | | 3(2) | | | | | BFNO | PC Postma (88) |
| 1554 | 77 ns | 6+ | | +5.84(5) | | | | | TDPAD | NP A349 1 (80) |
| | | | +5.89(9) | | | | | TDPAD | HFI 4 216 (78) |
| 2446 | 31 y | 16+ | | +8.16(4) | | | | [177Hf] | CFBLS | PRL 72 2689 (94) |
| | | | 7(3) | | | | | BFNO | PC Postma (88) |
| | | | | | +6.00(7) | | [177Hf] | CFBLS | PRL 72 2689 (94) |
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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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