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Radionuclide Dosimetric Data Sheets
Strontium-83
Summary data
General
Classification
Isotope: Sr-83
Atomic number (Z): 38
Mass number (A): 83
Neutron number (N): 45
Radioactive decay
Decay modes: β+, Electron capture
Half-life: 32.41 [h]
Decay constant: 5.9408e-06 [1/s]
Daughters: Rb-83 (100.0%)
Radioactive daughters: Rb-83
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.16038 [MeV]
Mean photon energy: 0.8213 [MeV]
Air kerma rate constant, Γ10: 4.436e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 5.433e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 2.570e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for alphas, Δα: 0.000e+00
[Gy·kg/Bq·s]
Equilibrium dose constant for betas/electrons, Δβ-,β+,e-:
2.570e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 1.316e-13
[Gy·kg/Bq·s]
Dose point kernels (plot)
Dose point kernel source: Graves, et al. Medical Physics. 2019 Nov.; 46(11):5284-5293.
Note: Bins are spaced every 0.1 mm until a radius of 10 cm, and every 1 mm until a radius of 2 m.
Download tabulated dose point kernel file here: www.mirdsoft.org/products/MIRDspecs/Sr-83 DPK.csv
Summary spectra (plot)
Spectra source: ICRP Publication 107: Nuclear Decay Data for Dosimetric Calculations. Ann. ICRP 2008, 38 (3).
Download tabulated summary spectra file here: www.mirdsoft.org/products/MIRDspecs/Sr-83 Summary Spectrum.csv
Beta spectra (plot)
Spectra source: ICRP Publication 107: Nuclear Decay Data for Dosimetric Calculations. Ann. ICRP 2008, 38 (3).
Download tabulated beta spectra file here: www.mirdsoft.org/products/MIRDspecs/Sr-83 Beta Spectrum.csv
Tabulated data
Summary spectra (table)
Spectra source: ICRP Publication 107: Nuclear Decay Data for Dosimetric Calculations. Ann. ICRP 2008, 38 (3).
Note: Radiations with yield < 0.01 are excluded from the table, but are available in the linked *.csv data.
Download tabulated summary spectra file here: www.mirdsoft.org/products/MIRDspecs/Sr-83 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.52744e-05 |
1.282e+01 |
X-ray |
|
1.68753e-03 |
1.886e-02 |
X-ray |
|
1.32919e-02 |
2.277e-01 |
X-ray |
|
1.33539e-02 |
4.381e-01 |
X-ray |
|
1.49123e-02 |
3.265e-02 |
X-ray |
|
1.49217e-02 |
6.365e-02 |
X-ray |
|
4.23300e-02 |
1.590e-02 |
Gamma |
|
3.81170e-01 |
2.490e-02 |
Gamma |
|
3.81530e-01 |
1.407e-01 |
Gamma |
|
3.89370e-01 |
1.656e-02 |
Gamma |
|
4.18370e-01 |
4.410e-02 |
Gamma |
|
4.23630e-01 |
1.590e-02 |
Gamma |
|
5.11000e-01 |
5.150e-01 |
Annihilation photon |
|
7.62650e-01 |
3.000e-01 |
Gamma |
|
7.78440e-01 |
1.986e-02 |
Gamma |
|
1.14733e+00 |
1.284e-02 |
Gamma |
|
1.15997e+00 |
1.482e-02 |
Gamma |
|
1.56251e+00 |
1.764e-02 |
Gamma |
|
3.62695e-01 |
3.062e-02 |
Positron |
|
5.30608e-01 |
8.889e-02 |
Positron |
|
5.49375e-01 |
1.284e-01 |
Positron |
|
1.26043e-05 |
3.760e+00 |
Auger electron |
|
6.50400e-05 |
3.765e+00 |
Auger electron |
|
7.35168e-05 |
1.517e+00 |
Auger electron |
|
9.23470e-05 |
6.709e-02 |
Auger electron |
|
1.08292e-04 |
3.375e-01 |
Auger electron |
|
1.49043e-03 |
1.408e+00 |
Auger electron |
|
1.61275e-03 |
1.143e-01 |
Auger electron |
|
3.18200e-03 |
4.479e-02 |
Conversion electron |
|
1.14024e-02 |
2.903e-01 |
Auger electron |
|
1.30522e-02 |
9.527e-02 |
Auger electron |
|
2.71710e-02 |
5.088e-01 |
Conversion electron |
|
4.02820e-02 |
7.235e-02 |
Conversion electron |
|
4.05249e-02 |
1.454e-02 |
Conversion electron |
|
4.20927e-02 |
1.643e-02 |
Conversion electron |
Useful Links
Isotope decay characteristics are periodically updated as better measurements can be made - changes that may not be reflected on this page. Please see useful links:
National Nuclear Data Center (NNDC): https://www.nndc.bnl.gov/nudat3/mird/
International Atomic Energy Agency (IAEA) Livechart: https://www-nds.iaea.org/relnsd/vcharthtml/VChartHTML.html
Reference Links
ICRP Report 107: https://www.icrp.org/publication.asp?id=ICRP%20Publication%20107
Graves et al. Dose Point Kernels: https://doi.org/10.1002/mp.13789
MIRD Decay Schemes 2nd Edition: https://sites.snmmi.org/SNMMI-MAIN/iCore/Store/StoreLayouts/Item_Detail.aspx?iProductCode=0-932004-80-6
MIRDsoft MIRDspecs version 20250101 (www.mirdsoft.org)
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