Nuclide reference
F-22 — Fluorine-22
The half-life of F-22 is 4.23 s. Main decay mode: β⁻ decay to Ne-22 (100%).
Identification
- Element
- Fluorine (F)
- Atomic number Z
- 9
- Mass number A
- 22
- State
- Radioactive
Key quantities
- Half-life
- 4.23 s
- Specific activity
- 4.486e+21 Bq/g
- Gamma constant Γ
- —
- D-value (НП-067-24)
- —
Decay modes
- β⁻ decay → Ne-22 — 100 %
Main gamma lines
| Energy, keV | Yield, % |
|---|---|
| 1,274.54 | 100 |
| 2,082.6 | 81.9 |
| 2,166.1 | 61.6 |
| 4,366.1 | 11.3 |
| 1,900 | 8.7 |
| 2,987.7 | 7 |
| 2,283.9 | 5.1 |
| 3,983.5 | 1.2 |
| 4,247.9 | 1 |
| 1,431.1 | 0.29 |
Lines of the bare nuclide (ENDF/B-VIII.0), without daughter ingrowth.
Alpha and beta particles
| Radiation | Energy, keV | Yield, % |
|---|---|---|
| β⁻, E max | 5,294.3 | 53.9 |
| 5,176.6 | 16.4 | |
| 3,395.9 | 8.7 | |
| 4,471.5 | 7 |
For β⁻ the endpoint (maximum) energy of the spectrum is given. ENDF/B-VIII.0.
Related calculators
Other isotopes of this element
Reference data vs computed valuesHalf-life, gamma lines and D-value are reference data (ENDF/B-VIII.0, НП-067-24).Gamma constant Γ is H*(10) at 1 m computed from ICRP-107 spectra (NIST µ_en/ρ, ICRP-74 Table A.21) including short-lived progeny in equilibrium (e.g. Cs-137/Ba-137m, Ra-226 series); specific activity uses molar mass M ≈ mass number A.