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Radionuclide Dosimetric Data Sheets
Antimony-119
Summary data
General
Classification
Isotope: Sb-119
Atomic number (Z): 51
Mass number (A): 119
Neutron number (N): 68
Radioactive decay
Decay modes: Electron capture
Half-life: 38.19 [h]
Decay constant: 5.0417e-06 [1/s]
Daughters: Sn-119 (100.0%)
Radioactive daughters: None
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.02583 [MeV]
Mean photon energy: 0.02341 [MeV]
Air kerma rate constant, Γ10: 7.426e-18 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 7.426e-18 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 4.138e-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-:
4.138e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 3.751e-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/Sb-119 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/Sb-119 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/Sb-119 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.08551e-05 |
2.552e+01 |
X-ray |
|
3.43219e-03 |
4.232e-02 |
X-ray |
|
3.65722e-03 |
2.687e-02 |
X-ray |
|
3.72998e-03 |
1.391e-02 |
X-ray |
|
2.38700e-02 |
1.603e-01 |
Gamma |
|
2.50232e-02 |
2.109e-01 |
X-ray |
|
2.52572e-02 |
3.946e-01 |
X-ray |
|
2.84307e-02 |
3.560e-02 |
X-ray |
|
2.84736e-02 |
6.913e-02 |
X-ray |
|
2.90882e-02 |
1.425e-02 |
X-ray |
|
1.13556e-05 |
1.261e+01 |
Auger electron |
|
3.01801e-05 |
4.497e+00 |
Auger electron |
|
1.21194e-04 |
1.493e+00 |
Auger electron |
|
3.09439e-04 |
4.809e-01 |
Auger electron |
|
3.99045e-04 |
2.940e+00 |
Auger electron |
|
4.80337e-04 |
6.861e-02 |
Auger electron |
|
2.89993e-03 |
1.155e+00 |
Auger electron |
|
3.42450e-03 |
3.007e-01 |
Auger electron |
|
3.97195e-03 |
2.018e-02 |
Auger electron |
|
1.94297e-02 |
6.115e-01 |
Conversion electron |
|
1.97092e-02 |
5.073e-02 |
Conversion electron |
|
1.99432e-02 |
1.417e-02 |
Conversion electron |
|
2.09334e-02 |
7.952e-02 |
Auger electron |
|
2.31597e-02 |
1.333e-01 |
Conversion electron |
|
2.38700e-02 |
2.997e-02 |
Conversion electron |
|
2.44171e-02 |
3.387e-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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