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Radionuclide Dosimetric Data Sheets
Gold-193
Summary data
General
Classification
Isotope: Au-193
Atomic number (Z): 79
Mass number (A): 193
Neutron number (N): 114
Radioactive decay
Decay modes: Electron capture
Half-life: 17.65 [h]
Decay constant: 1.0909e-05 [1/s]
Daughters: Pt-193 (100.0%)
Radioactive daughters: Pt-193
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.0575 [MeV]
Mean photon energy: 0.16734 [MeV]
Air kerma rate constant, Γ10: 1.442e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 1.442e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 9.213e-15 [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-:
9.213e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 2.681e-14
[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/Au-193 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/Au-193 Summary 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/Au-193 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.01448e-05 |
2.775e+01 |
X-ray |
|
2.07551e-03 |
6.243e-02 |
X-ray |
|
8.29380e-03 |
1.129e-02 |
X-ray |
|
9.35457e-03 |
1.959e-02 |
X-ray |
|
9.43805e-03 |
1.727e-01 |
X-ray |
|
1.11006e-02 |
1.020e-01 |
X-ray |
|
1.12510e-02 |
3.193e-02 |
X-ray |
|
1.29799e-02 |
1.990e-02 |
X-ray |
|
6.53020e-02 |
3.058e-01 |
X-ray |
|
6.70480e-02 |
5.225e-01 |
X-ray |
|
7.55931e-02 |
5.724e-02 |
X-ray |
|
7.59780e-02 |
1.107e-01 |
X-ray |
|
7.80108e-02 |
1.334e-02 |
X-ray |
|
7.81028e-02 |
2.602e-02 |
X-ray |
|
1.12515e-01 |
2.170e-02 |
Gamma |
|
1.73520e-01 |
2.700e-02 |
Gamma |
|
1.86170e-01 |
9.369e-02 |
Gamma |
|
2.55570e-01 |
6.237e-02 |
Gamma |
|
2.68220e-01 |
3.618e-02 |
Gamma |
|
4.39040e-01 |
1.782e-02 |
Gamma |
|
3.75007e-05 |
6.514e+00 |
Auger electron |
|
6.24247e-05 |
9.080e+00 |
Auger electron |
|
1.73813e-04 |
5.377e+00 |
Auger electron |
|
4.14820e-04 |
9.558e-01 |
Auger electron |
|
7.05817e-04 |
2.236e-01 |
Auger electron |
|
1.06700e-03 |
3.574e-02 |
Conversion electron |
|
1.64200e-03 |
7.289e-01 |
Conversion electron |
|
1.70495e-03 |
1.968e+00 |
Auger electron |
|
1.92515e-03 |
1.899e-01 |
Auger electron |
|
7.23912e-03 |
5.337e-01 |
Auger electron |
|
9.28751e-03 |
2.200e-01 |
Auger electron |
|
9.99710e-03 |
2.539e-01 |
Conversion electron |
|
1.13638e-02 |
2.212e-02 |
Auger electron |
|
1.26340e-02 |
7.784e-02 |
Conversion electron |
|
3.39000e-02 |
8.034e-02 |
Conversion electron |
|
3.55400e-02 |
2.413e-02 |
Conversion electron |
|
3.93750e-02 |
1.839e-02 |
Conversion electron |
|
5.27836e-02 |
2.857e-02 |
Auger electron |
|
6.32891e-02 |
1.530e-02 |
Auger electron |
|
9.49050e-02 |
2.945e-02 |
Conversion electron |
|
9.86530e-02 |
1.205e-02 |
Conversion electron |
|
1.07555e-01 |
8.526e-02 |
Conversion electron |
|
1.72308e-01 |
1.273e-02 |
Conversion electron |
|
1.76955e-01 |
2.274e-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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