Nuclide reference
Cu-67 — Copper-67
The half-life of Cu-67 is 2.5763 d. Main decay mode: β⁻ decay to Zn-67 (100%).
Identification
- Element
- Copper (Cu)
- Atomic number Z
- 29
- Mass number A
- 67
- State
- Radioactive
Key quantities
- Half-life
- 2.5763 d
- Specific activity
- 2.799e+16 Bq/g
- Gamma constant Γ
- —
- A1 / A2 for transport (SSR-6, НП-053-16)
- 10 TBq / 0.7 TBq
- D-value (НП-067-24)
- 0.7 TBq
Decay modes
- β⁻ decay → Zn-67 — 100 %
Main gamma lines
| Energy, keV | Yield, % |
|---|---|
| 184.577 | 48.7 |
| 93.311 | 16.1 |
| 91.266 | 7 |
| 8.639 · X-ray line | 3.655 |
| 8.616 · X-ray line | 1.876 |
| 300.219 | 0.797 |
| 393.529 | 0.22 |
| 208.951 | 0.115 |
Lines of the bare nuclide (ENDF/B-VIII.0), without daughter ingrowth.
Alpha and beta particles
| Radiation | Energy, keV | Yield, % |
|---|---|---|
| β⁻, E max | 377.12 | 57 |
| 468.39 | 22 | |
| 561.7 | 20 | |
| 168.17 | 1.1 |
For β⁻ the endpoint (maximum) energy of the spectrum is given. ENDF/B-VIII.0.
Related calculators
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.K-series X-ray energies are from NIST SRD 128 (Deslattes et al., 2003): in ENDF/B-VIII.0 they are given to 1 % and shifted by up to 0.7 keV for heavy elements. L-series lines and all yields are ENDF/B-VIII.0.