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Radionuclide Dosimetric Data Sheets
Antimony-133
Summary data
General
Classification
Isotope: Sb-133
Atomic number (Z): 51
Mass number (A): 133
Neutron number (N): 82
Radioactive decay
Decay modes: β-
Half-life: 2.5 [m]
Decay constant: 4.6210e-03 [1/s]
Daughters: Te-133 (82.7%), Te-133m (17.3%)
Radioactive daughters: Te-133, Te-133m
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.67848 [MeV]
Mean photon energy: 2.74338 [MeV]
Air kerma rate constant, Γ10: 8.992e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 8.992e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 1.087e-13 [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-:
1.087e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 4.395e-13
[Gy·kg/Bq·s]
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/Sb-133 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/Sb-133 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/Sb-133 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.36107e-05 |
5.083e-02 |
X-ray |
|
3.08242e-01 |
1.075e-02 |
Gamma |
|
3.08242e-01 |
3.225e-02 |
Gamma |
|
4.04360e-01 |
2.279e-02 |
Gamma |
|
4.23400e-01 |
3.526e-02 |
Gamma |
|
5.38760e-01 |
1.892e-02 |
Gamma |
|
6.32420e-01 |
3.870e-02 |
Gamma |
|
6.87470e-01 |
1.634e-02 |
Gamma |
|
6.91080e-01 |
2.795e-02 |
Gamma |
|
8.17800e-01 |
1.849e-01 |
Gamma |
|
8.36880e-01 |
1.109e-01 |
Gamma |
|
9.27670e-01 |
1.161e-02 |
Gamma |
|
9.87170e-01 |
2.150e-02 |
Gamma |
|
1.02683e+00 |
5.504e-02 |
Gamma |
|
1.06549e+00 |
2.752e-02 |
Gamma |
|
1.09622e+00 |
4.300e-01 |
Gamma |
|
1.11082e+00 |
1.763e-02 |
Gamma |
|
1.11308e+00 |
1.935e-02 |
Gamma |
|
1.11518e+00 |
4.816e-02 |
Gamma |
|
1.18347e+00 |
3.225e-02 |
Gamma |
|
1.20277e+00 |
1.075e-02 |
Gamma |
|
1.21866e+00 |
1.806e-02 |
Gamma |
|
1.23598e+00 |
2.107e-02 |
Gamma |
|
1.26532e+00 |
5.461e-02 |
Gamma |
|
1.27155e+00 |
4.214e-02 |
Gamma |
|
1.30523e+00 |
5.762e-02 |
Gamma |
|
1.48435e+00 |
1.290e-02 |
Gamma |
|
1.49014e+00 |
2.580e-02 |
Gamma |
|
1.49656e+00 |
1.075e-02 |
Gamma |
|
1.55213e+00 |
4.171e-02 |
Gamma |
|
1.57915e+00 |
1.634e-02 |
Gamma |
|
1.64151e+00 |
3.913e-02 |
Gamma |
|
1.65423e+00 |
1.591e-02 |
Gamma |
|
1.65926e+00 |
2.236e-02 |
Gamma |
|
1.69796e+00 |
1.290e-02 |
Gamma |
|
1.72859e+00 |
8.471e-02 |
Gamma |
|
1.77579e+00 |
1.161e-02 |
Gamma |
|
1.87719e+00 |
1.548e-02 |
Gamma |
|
1.94410e+00 |
2.279e-02 |
Gamma |
|
2.41620e+00 |
8.385e-02 |
Gamma |
|
2.44700e+00 |
1.290e-02 |
Gamma |
|
2.75500e+00 |
1.247e-01 |
Gamma |
|
4.49516e-01 |
2.778e-01 |
Beta |
|
4.51722e-01 |
2.579e-01 |
Beta |
|
6.87224e-01 |
4.563e-02 |
Beta |
|
8.21427e-01 |
8.929e-02 |
Beta |
|
9.05600e-01 |
6.746e-02 |
Beta |
|
9.45496e-01 |
3.869e-02 |
Beta |
|
9.46422e-01 |
3.770e-02 |
Beta |
|
9.86538e-01 |
4.167e-02 |
Beta |
|
1.04680e+00 |
2.183e-02 |
Beta |
|
1.11895e+00 |
2.877e-02 |
Beta |
|
1.19744e+00 |
5.952e-02 |
Beta |
|
2.29209e-05 |
2.484e-02 |
Auger 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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