Nuclide reference
Cf-250 — Californium-250
Cf-250 की half-life 13.08 years है। मुख्य decay mode: α decay → Cm-246 (99.92%)।
Identification
- तत्व
- Californium (Cf)
- Atomic number Z
- 98
- Mass number A
- 250
- State
- Radioactive
Key quantities
- Half-life
- 13.08 years
- विशिष्ट गतिविधि
- 4.045e+12 Bq/g
- Gamma constant Γ
- —
- परिवहन के लिए A1 / A2 (SSR-6)
- 20 TBq / 0.002 TBq
- D-value (НП-067-24)
- 0.1 TBq
Decay modes
- α decay → Cm-246 — 99.92 %
- spontaneous fission — 0.077 %
Main gamma lines
| Energy, keV | Yield, % |
|---|---|
| 19.2249 · X-ray line | 3.042 |
| 14.9559 · X-ray line | 2.698 |
| 99.2 | 0.01517 |
| 42.852 | 0.01435 |
| 152.9 | 0.002573 |
Lines of the bare nuclide (ENDF/B-VIII.0), without daughter ingrowth.
Alpha and beta particles
| Radiation | Energy, keV | Yield, % |
|---|---|---|
| α | 6,030.2 | 84.63 |
| 5,988.9 | 14.99 | |
| 5,891 | 0.2998 |
Related calculators
इसी element के अन्य isotopes
Reference data vs computed valuesHalf-life, gamma lines and D-value are reference data (ENDF/B-VIII.0, НП-067-24).Gamma constant Γ 1 m पर H*(10) है, ICRP-107 spectra (NIST µ_en/ρ, ICRP-74 Table A.21) से गणना की गई, equilibrium में short-lived progeny सहित (जैसे Cs-137/Ba-137m, Ra-226 series); specific activity molar mass M ≈ mass number A का उपयोग करती है।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.