Nuclide reference
Y-91 — Yttrium-91
Y-91 की half-life 58.51 d है। मुख्य decay mode: β⁻ decay → Zr-91 (100%)।
Identification
- तत्व
- Yttrium (Y)
- Atomic number Z
- 39
- Mass number A
- 91
- State
- Radioactive
Key quantities
- Half-life
- 58.51 d
- विशिष्ट गतिविधि
- 9.074e+14 Bq/g
- Gamma constant Γ
- —
- परिवहन के लिए A1 / A2 (SSR-6)
- 0.6 TBq / 0.6 TBq
- D-value (НП-067-24)
- 8 TBq
Decay modes
- β⁻ decay → Zr-91 — 100 %
Main gamma lines
| Energy, keV | Yield, % |
|---|---|
| 1,204.77 | 0.26 |
Lines of the bare nuclide (ENDF/B-VIII.0), without daughter ingrowth.
Alpha and beta particles
| Radiation | Energy, keV | Yield, % |
|---|---|---|
| β⁻, E max | 1,544.4 | 99.74 |
| 339.62 | 0.26 |
For β⁻ the endpoint (maximum) energy of the spectrum is given. ENDF/B-VIII.0.
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।