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Radionuclide Dosimetric Data Sheets
Tin-113
Summary data
General
Classification
Isotope: Sn-113
Atomic number (Z): 50
Mass number (A): 113
Neutron number (N): 63
Radioactive decay
Decay modes: Electron capture
Half-life: 115.1 [d]
Decay constant: 6.9707e-08 [1/s]
Daughters: In-113m (100.0%), In-113 (0.00224%)
Radioactive daughters: In-113m
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.00626 [MeV]
Mean photon energy: 0.02369 [MeV]
Air kerma rate constant, Γ10: 6.634e-18 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 6.634e-18 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 1.003e-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-:
1.003e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 3.796e-15
[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/Sn-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/Sn-113 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/Sn-113 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
8.12534e-06 |
1.412e+01 |
X-ray |
|
3.27540e-03 |
2.845e-02 |
X-ray |
|
3.48147e-03 |
1.612e-02 |
X-ray |
|
2.39785e-02 |
2.098e-01 |
X-ray |
|
2.41926e-02 |
3.935e-01 |
X-ray |
|
2.72214e-02 |
3.511e-02 |
X-ray |
|
2.72603e-02 |
6.817e-02 |
X-ray |
|
2.78371e-02 |
1.395e-02 |
X-ray |
|
2.55134e-01 |
2.110e-02 |
Gamma |
|
8.85926e-06 |
7.001e+00 |
Auger electron |
|
3.35224e-05 |
2.462e+00 |
Auger electron |
|
1.25650e-04 |
7.675e-01 |
Auger electron |
|
2.63867e-04 |
1.365e-01 |
Auger electron |
|
3.70898e-04 |
1.730e+00 |
Auger electron |
|
4.37167e-04 |
2.847e-02 |
Auger electron |
|
2.73494e-03 |
6.855e-01 |
Auger electron |
|
3.21536e-03 |
1.676e-01 |
Auger electron |
|
3.71453e-03 |
1.068e-02 |
Auger electron |
|
2.00957e-02 |
8.571e-02 |
Auger electron |
|
2.34091e-02 |
3.588e-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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