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Radionuclide Dosimetric Data Sheets
Silver-105
Summary data
General
Classification
Isotope: Ag-105
Atomic number (Z): 47
Mass number (A): 105
Neutron number (N): 58
Radioactive decay
Decay modes: Electron capture
Half-life: 41.29 [d]
Decay constant: 1.9430e-07 [1/s]
Daughters: Pd-105 (100.0%)
Radioactive daughters: None
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.01915 [MeV]
Mean photon energy: 0.5138 [MeV]
Air kerma rate constant, Γ10: 2.804e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 2.804e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 3.068e-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-:
3.068e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 8.232e-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/Ag-105 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/Ag-105 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/Ag-105 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
7.85942e-06 |
9.363e+00 |
X-ray |
|
2.82809e-03 |
3.089e-02 |
X-ray |
|
2.98437e-03 |
1.463e-02 |
X-ray |
|
2.09884e-02 |
2.373e-01 |
X-ray |
|
2.11504e-02 |
4.482e-01 |
X-ray |
|
2.37657e-02 |
3.860e-02 |
X-ray |
|
2.37942e-02 |
7.503e-02 |
X-ray |
|
2.42659e-02 |
1.512e-02 |
X-ray |
|
6.39800e-02 |
1.047e-01 |
Gamma |
|
2.80440e-01 |
3.022e-01 |
Gamma |
|
3.19160e-01 |
4.347e-02 |
Gamma |
|
3.31510e-01 |
4.099e-02 |
Gamma |
|
3.44520e-01 |
4.140e-01 |
Gamma |
|
3.92640e-01 |
1.983e-02 |
Gamma |
|
4.43370e-01 |
1.047e-01 |
Gamma |
|
6.17850e-01 |
1.155e-02 |
Gamma |
|
6.44550e-01 |
1.105e-01 |
Gamma |
|
6.50720e-01 |
2.538e-02 |
Gamma |
|
6.73210e-01 |
1.047e-02 |
Gamma |
|
8.07460e-01 |
1.155e-02 |
Gamma |
|
1.08794e+00 |
3.850e-02 |
Gamma |
|
3.81969e-05 |
3.528e+00 |
Auger electron |
|
1.21674e-04 |
2.162e-01 |
Auger electron |
|
1.25970e-04 |
9.270e-01 |
Auger electron |
|
2.92906e-04 |
2.288e+00 |
Auger electron |
|
2.38239e-03 |
8.705e-01 |
Auger electron |
|
2.75708e-03 |
1.766e-01 |
Auger electron |
|
1.76856e-02 |
1.251e-01 |
Auger electron |
|
2.05196e-02 |
4.967e-02 |
Auger electron |
|
3.96590e-02 |
1.261e-01 |
Conversion electron |
|
6.04000e-02 |
1.438e-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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