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Radionuclide Dosimetric Data Sheets
Silver-102
Summary data
General
Classification
Isotope: Ag-102
Atomic number (Z): 47
Mass number (A): 102
Neutron number (N): 55
Radioactive decay
Decay modes: β+, Electron capture
Half-life: 12.9 [m]
Decay constant: 8.9554e-04 [1/s]
Daughters: Pd-102 (100.0%)
Radioactive daughters: None
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.84299 [MeV]
Mean photon energy: 3.40918 [MeV]
Air kerma rate constant, Γ10: 9.228e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 1.208e-16 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 1.351e-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-:
1.351e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 5.462e-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/Ag-102 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/Ag-102 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/Ag-102 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
7.85943e-06 |
2.172e+00 |
X-ray |
|
2.09884e-02 |
5.545e-02 |
X-ray |
|
2.11504e-02 |
1.047e-01 |
X-ray |
|
2.37942e-02 |
1.754e-02 |
X-ray |
|
5.11000e-01 |
1.471e+00 |
Annihilation photon |
|
5.56700e-01 |
9.798e-01 |
Gamma |
|
6.03600e-01 |
1.704e-02 |
Gamma |
|
7.19400e-01 |
5.822e-01 |
Gamma |
|
8.35400e-01 |
1.377e-01 |
Gamma |
|
8.65700e-01 |
3.692e-02 |
Gamma |
|
8.91500e-01 |
4.118e-02 |
Gamma |
|
9.37400e-01 |
1.136e-02 |
Gamma |
|
9.64400e-01 |
1.420e-02 |
Gamma |
|
9.77700e-01 |
2.130e-02 |
Gamma |
|
1.02500e+00 |
4.260e-02 |
Gamma |
|
1.25710e+00 |
1.278e-01 |
Gamma |
|
1.30570e+00 |
2.272e-02 |
Gamma |
|
1.33120e+00 |
3.124e-02 |
Gamma |
|
1.39440e+00 |
1.136e-02 |
Gamma |
|
1.47430e+00 |
2.698e-02 |
Gamma |
|
1.52270e+00 |
2.698e-02 |
Gamma |
|
1.53480e+00 |
2.272e-02 |
Gamma |
|
1.55580e+00 |
2.556e-02 |
Gamma |
|
1.58160e+00 |
1.377e-01 |
Gamma |
|
1.74460e+00 |
1.732e-01 |
Gamma |
|
1.80070e+00 |
2.840e-02 |
Gamma |
|
1.92490e+00 |
1.136e-02 |
Gamma |
|
2.31020e+00 |
1.420e-02 |
Gamma |
|
2.61300e+00 |
3.550e-02 |
Gamma |
|
2.72690e+00 |
1.420e-02 |
Gamma |
|
3.39800e+00 |
1.420e-02 |
Gamma |
|
3.40650e+00 |
1.704e-02 |
Gamma |
|
6.96686e-01 |
2.595e-02 |
Positron |
|
7.27025e-01 |
1.397e-02 |
Positron |
|
7.29738e-01 |
2.096e-02 |
Positron |
|
7.41409e-01 |
1.996e-02 |
Positron |
|
8.22222e-01 |
2.295e-02 |
Positron |
|
9.43832e-01 |
9.082e-02 |
Positron |
|
1.05072e+00 |
1.677e-01 |
Positron |
|
1.12616e+00 |
1.158e-01 |
Positron |
|
1.13865e+00 |
5.090e-02 |
Positron |
|
1.52993e+00 |
1.996e-01 |
Positron |
|
3.81983e-05 |
8.185e-01 |
Auger electron |
|
1.21681e-04 |
4.949e-02 |
Auger electron |
|
1.26006e-04 |
2.151e-01 |
Auger electron |
|
2.92896e-04 |
5.309e-01 |
Auger electron |
|
2.38225e-03 |
2.022e-01 |
Auger electron |
|
2.75691e-03 |
4.102e-02 |
Auger electron |
|
1.76856e-02 |
2.925e-02 |
Auger electron |
|
2.05196e-02 |
1.161e-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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