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Radionuclide Dosimetric Data Sheets
Antimony-113
Summary data
General
Classification
Isotope: Sb-113
Atomic number (Z): 51
Mass number (A): 113
Neutron number (N): 62
Radioactive decay
Decay modes: β+, Electron capture
Half-life: 6.67 [m]
Decay constant: 1.7320e-03 [1/s]
Daughters: Sn-113 (77.6%), Sn-113m (22.4%)
Radioactive daughters: Sn-113, Sn-113m
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.72027 [MeV]
Mean photon energy: 1.2683 [MeV]
Air kerma rate constant, Γ10: 2.377e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 4.955e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 1.154e-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-:
1.154e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 2.032e-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/Sb-113 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/Sb-113 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-113 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-113 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.08543e-05 |
5.334e+00 |
X-ray |
|
3.43219e-03 |
1.183e-02 |
X-ray |
|
2.50232e-02 |
8.334e-02 |
X-ray |
|
2.52572e-02 |
1.559e-01 |
X-ray |
|
2.84307e-02 |
1.407e-02 |
X-ray |
|
2.84736e-02 |
2.731e-02 |
X-ray |
|
8.82500e-02 |
2.720e-02 |
Gamma |
|
3.32410e-01 |
1.480e-01 |
Gamma |
|
4.97960e-01 |
8.000e-01 |
Gamma |
|
5.11000e-01 |
1.332e+00 |
Annihilation photon |
|
9.35770e-01 |
1.712e-02 |
Gamma |
|
9.40630e-01 |
2.616e-02 |
Gamma |
|
1.55630e+00 |
1.048e-02 |
Gamma |
|
8.38457e-01 |
1.664e-02 |
Positron |
|
8.40671e-01 |
1.267e-02 |
Positron |
|
1.07667e+00 |
5.700e-01 |
Positron |
|
1.11741e+00 |
3.970e-02 |
Positron |
|
1.27163e+00 |
1.796e-02 |
Positron |
|
1.13309e-05 |
2.637e+00 |
Auger electron |
|
3.03641e-05 |
9.074e-01 |
Auger electron |
|
1.23905e-04 |
2.929e-01 |
Auger electron |
|
2.71943e-04 |
5.206e-02 |
Auger electron |
|
3.96277e-04 |
6.605e-01 |
Auger electron |
|
4.70105e-04 |
1.505e-02 |
Auger electron |
|
2.84828e-03 |
2.607e-01 |
Auger electron |
|
3.36511e-03 |
6.720e-02 |
Auger electron |
|
2.09334e-02 |
3.142e-02 |
Auger electron |
|
2.44171e-02 |
1.338e-02 |
Auger electron |
|
5.90660e-02 |
3.987e-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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