9-F-21
basic
element
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9-fluorine-21
- Atomic Mass: 20.9999489 +- 0.0000019 amu
- Excess Mass: -47.580 +- 1.801 keV
- Binding Energy: 162504.178 +- 1.802 keV
- Beta Decay Energy: B- 5684.140 +- 1.802 keV
"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.
- Spin: 5/2+
- Half life: 4.158 s
- Mode of decay: Beta to Ne-21
- Possible parent nuclides:
- Beta from O-21
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 | 4.16 s | 5/2+ | | 3.93(5) | | | | | b-NMR | HFI 78 97 (93) |
| | | | | | | | | | |
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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