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Radionuclide Dosimetric Data Sheets
Antimony-116
Summary data
General
Classification
Isotope: Sb-116
Atomic number (Z): 51
Mass number (A): 116
Neutron number (N): 65
Radioactive decay
Decay modes: β+, Electron capture
Half-life: 15.8 [m]
Decay constant: 7.3117e-04 [1/s]
Daughters: Sn-116 (100.0%)
Radioactive daughters: None
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.51382 [MeV]
Mean photon energy: 2.27877 [MeV]
Air kerma rate constant, Γ10: 6.010e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 8.047e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 8.232e-14 [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-:
8.232e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 3.651e-13
[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-116 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-116 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/Sb-116 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/Sb-116 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.08543e-05 |
6.493e+00 |
X-ray |
|
3.43219e-03 |
1.439e-02 |
X-ray |
|
2.50232e-02 |
1.013e-01 |
X-ray |
|
2.52572e-02 |
1.896e-01 |
X-ray |
|
2.84307e-02 |
1.710e-02 |
X-ray |
|
2.84736e-02 |
3.321e-02 |
X-ray |
|
5.11000e-01 |
1.052e+00 |
Annihilation photon |
|
9.31840e-01 |
2.485e-01 |
Gamma |
|
1.29356e+00 |
8.480e-01 |
Gamma |
|
2.22519e+00 |
1.459e-01 |
Gamma |
|
2.84371e+00 |
1.102e-02 |
Gamma |
|
6.51961e-01 |
1.278e-01 |
Positron |
|
1.07599e+00 |
3.934e-01 |
Positron |
|
1.13311e-05 |
3.210e+00 |
Auger electron |
|
3.03625e-05 |
1.105e+00 |
Auger electron |
|
1.23881e-04 |
3.567e-01 |
Auger electron |
|
2.72337e-04 |
6.361e-02 |
Auger electron |
|
3.96294e-04 |
8.037e-01 |
Auger electron |
|
4.70172e-04 |
1.831e-02 |
Auger electron |
|
2.84845e-03 |
3.172e-01 |
Auger electron |
|
3.36531e-03 |
8.176e-02 |
Auger electron |
|
2.09334e-02 |
3.820e-02 |
Auger electron |
|
2.44171e-02 |
1.627e-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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