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Radionuclide Dosimetric Data Sheets

Silver-103

Isotope:  Ag-103
Atomic number (Z):  47
Mass number (A):  103
Neutron number (N):  56

Decay modes:  β+, Electron capture
Half-life:  65.7 [m]
Decay constant:  1.7584e-04 [1/s]
Daughters:  Pd-103 (100.0%)
Radioactive daughters:  Pd-103

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  0.19725 [MeV]
Mean photon energy:  0.84396 [MeV]
Air kerma rate constant, Γ₁₀:  2.599e-17 [Gy·m²/Bq·s]
Air kerma coefficient, K_air:  3.664e-17 [Gy·m²/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δ_wp:  3.160e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for alphas, Δ_α:  0.000e+00 [Gy·kg/Bq·s]
Equilibrium dose constant for betas/electrons, Δ_β-,β+,e-:  3.160e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δ_p:  1.352e-13 [Gy·kg/Bq·s]

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-103 DPK.csv

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-103 Summary Spectrum.csv

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/Ag-103 Beta Spectrum.csv

 

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-103 Summary Spectrum.csv

 

Energy [MeV]	Yield [#/nt] if > 0.01	Radiation type
7.85944e-06	6.786e+00	X-ray
2.82809e-03	2.242e-02	X-ray
2.98437e-03	1.065e-02	X-ray
2.09884e-02	1.731e-01	X-ray
2.11504e-02	3.269e-01	X-ray
2.37657e-02	2.816e-02	X-ray
2.37942e-02	5.473e-02	X-ray
2.42659e-02	1.103e-02	X-ray
1.18740e-01	3.120e-01	Gamma
1.48200e-01	2.831e-01	Gamma
2.43960e-01	8.500e-02	Gamma
2.66860e-01	1.335e-01	Gamma
5.11000e-01	5.504e-01	Annihilation photon
5.31920e-01	8.755e-02	Gamma
7.42110e-01	2.542e-02	Gamma
1.00708e+00	3.238e-02	Gamma
1.02997e+00	1.300e-02	Gamma
1.15527e+00	3.052e-02	Gamma
1.18277e+00	1.521e-02	Gamma
1.27383e+00	9.350e-02	Gamma
5.03389e-01	1.701e-02	Positron
6.21428e-01	1.501e-01	Positron
6.31708e-01	2.201e-02	Positron
7.41595e-01	8.004e-02	Positron
3.81985e-05	2.557e+00	Auger electron
1.21681e-04	1.547e-01	Auger electron
1.26013e-04	6.718e-01	Auger electron
2.92893e-04	1.659e+00	Auger electron
2.38228e-03	6.318e-01	Auger electron
2.75695e-03	1.281e-01	Auger electron
1.76856e-02	9.128e-02	Auger electron
2.05196e-02	3.623e-02	Auger electron
9.44190e-02	6.569e-02	Conversion electron
1.23879e-01	3.188e-02	Conversion electron

 

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

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

 

 

 

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