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Radionuclide Dosimetric Data Sheets
Terbium-153
Summary data
General
Classification
Isotope: Tb-153
Atomic number (Z): 65
Mass number (A): 153
Neutron number (N): 88
Radioactive decay
Decay modes: β+, Electron capture
Half-life: 2.34 [d]
Decay constant: 3.4284e-06 [1/s]
Daughters: Gd-153 (100.0%)
Radioactive daughters: Gd-153
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.0481 [MeV]
Mean photon energy: 0.33184 [MeV]
Air kerma rate constant, Γ10: 1.326e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 1.329e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 7.706e-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-:
7.706e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 5.317e-14
[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/Tb-153 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/Tb-153 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/Tb-153 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/Tb-153 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.94333e-05 |
1.601e+01 |
X-ray |
|
1.09534e-03 |
2.420e-02 |
X-ray |
|
6.01111e-03 |
1.191e-02 |
X-ray |
|
6.04290e-03 |
1.054e-01 |
X-ray |
|
6.71540e-03 |
7.289e-02 |
X-ray |
|
6.80799e-03 |
1.065e-02 |
X-ray |
|
7.08639e-03 |
1.792e-02 |
X-ray |
|
7.78484e-03 |
1.280e-02 |
X-ray |
|
4.15600e-02 |
3.982e-02 |
Gamma |
|
4.23559e-02 |
2.974e-01 |
X-ray |
|
4.30603e-02 |
5.347e-01 |
X-ray |
|
4.86161e-02 |
5.434e-02 |
X-ray |
|
4.87612e-02 |
1.051e-01 |
X-ray |
|
4.99916e-02 |
1.194e-02 |
X-ray |
|
5.00239e-02 |
2.318e-02 |
X-ray |
|
8.28600e-02 |
5.396e-02 |
Gamma |
|
8.76300e-02 |
1.335e-02 |
Gamma |
|
8.76300e-02 |
1.335e-02 |
Gamma |
|
1.02255e-01 |
5.822e-02 |
Gamma |
|
1.09758e-01 |
6.191e-02 |
Gamma |
|
1.70420e-01 |
5.794e-02 |
Gamma |
|
2.10270e-01 |
1.250e-02 |
Gamma |
|
2.12000e-01 |
2.840e-01 |
Gamma |
|
2.49550e-01 |
2.130e-02 |
Gamma |
|
1.68638e-05 |
1.080e+00 |
Auger electron |
|
1.13356e-04 |
7.203e+00 |
Auger electron |
|
1.24127e-04 |
5.948e-01 |
Auger electron |
|
1.82848e-04 |
1.138e+00 |
Auger electron |
|
2.68200e-04 |
2.557e-02 |
Conversion electron |
|
5.78143e-04 |
2.566e-01 |
Auger electron |
|
8.98529e-04 |
2.404e+00 |
Auger electron |
|
1.07712e-03 |
1.634e-01 |
Auger electron |
|
1.48700e-03 |
4.772e-02 |
Conversion electron |
|
4.79170e-03 |
8.713e-01 |
Auger electron |
|
5.94970e-03 |
3.059e-01 |
Auger electron |
|
7.14345e-03 |
2.662e-02 |
Auger electron |
|
1.14130e-02 |
1.191e-02 |
Conversion electron |
|
1.21173e-02 |
1.649e-02 |
Conversion electron |
|
1.78970e-02 |
1.845e-02 |
Conversion electron |
|
3.25570e-02 |
2.184e-02 |
Conversion electron |
|
3.32102e-02 |
1.125e-01 |
Conversion electron |
|
3.36130e-02 |
8.774e-02 |
Conversion electron |
|
3.43173e-02 |
9.892e-02 |
Conversion electron |
|
3.47386e-02 |
4.639e-02 |
Auger electron |
|
3.73270e-02 |
3.415e-02 |
Conversion electron |
|
4.00182e-02 |
6.847e-02 |
Conversion electron |
|
4.11460e-02 |
2.297e-02 |
Auger electron |
|
4.15600e-02 |
1.852e-02 |
Conversion electron |
|
5.19520e-02 |
1.344e-02 |
Conversion electron |
|
5.94550e-02 |
8.271e-02 |
Conversion electron |
|
1.01408e-01 |
1.089e-02 |
Conversion 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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