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Radionuclide Dosimetric Data Sheets
Lutetium-176
Summary data
General
Classification
Isotope: Lu-176
Atomic number (Z): 71
Mass number (A): 176
Neutron number (N): 105
Radioactive decay
Decay modes: β-
Half-life: 38500000000.0 [y]
Decay constant: 5.7052e-19 [1/s]
Daughters: Hf-176 (100.0%)
Radioactive daughters: None
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.30261 [MeV]
Mean photon energy: 0.4799 [MeV]
Air kerma rate constant, Γ10: 1.811e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 1.811e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 4.848e-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-:
4.848e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 7.689e-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/Lu-176 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/Lu-176 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/Lu-176 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/Lu-176 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.94320e-05 |
9.358e+00 |
X-ray |
|
1.63924e-03 |
2.839e-02 |
X-ray |
|
7.83281e-03 |
1.047e-02 |
X-ray |
|
7.88959e-03 |
9.243e-02 |
X-ray |
|
9.03751e-03 |
8.829e-02 |
X-ray |
|
9.34358e-03 |
1.606e-02 |
X-ray |
|
1.05374e-02 |
1.606e-02 |
X-ray |
|
5.47191e-02 |
9.468e-02 |
X-ray |
|
5.59237e-02 |
1.656e-01 |
X-ray |
|
6.31238e-02 |
1.763e-02 |
X-ray |
|
6.33831e-02 |
3.408e-02 |
X-ray |
|
8.83600e-02 |
1.451e-01 |
Gamma |
|
2.01830e-01 |
7.797e-01 |
Gamma |
|
3.06840e-01 |
9.360e-01 |
Gamma |
|
1.83185e-01 |
9.961e-01 |
Beta |
|
1.07203e-05 |
8.124e-01 |
Auger electron |
|
2.44605e-05 |
1.153e+00 |
Auger electron |
|
1.60000e-04 |
3.264e+00 |
Auger electron |
|
2.81738e-04 |
1.029e-01 |
Auger electron |
|
3.03709e-04 |
5.560e-01 |
Auger electron |
|
7.42368e-04 |
9.190e-02 |
Auger electron |
|
1.36661e-03 |
1.421e+00 |
Auger electron |
|
1.54616e-03 |
7.509e-02 |
Auger electron |
|
6.20858e-03 |
4.630e-01 |
Auger electron |
|
7.82888e-03 |
1.720e-01 |
Auger electron |
|
9.47921e-03 |
1.609e-02 |
Auger electron |
|
2.28780e-02 |
1.688e-01 |
Conversion electron |
|
4.45280e-02 |
1.050e-02 |
Auger electron |
|
7.71150e-02 |
1.800e-02 |
Conversion electron |
|
7.75970e-02 |
2.555e-01 |
Conversion electron |
|
7.88017e-02 |
2.444e-01 |
Conversion electron |
|
8.62610e-02 |
1.297e-01 |
Conversion electron |
|
8.83600e-02 |
3.512e-02 |
Conversion electron |
|
1.36348e-01 |
1.266e-01 |
Conversion electron |
|
1.90585e-01 |
1.429e-02 |
Conversion electron |
|
1.91067e-01 |
3.267e-02 |
Conversion electron |
|
1.92272e-01 |
2.329e-02 |
Conversion electron |
|
1.99731e-01 |
1.727e-02 |
Conversion electron |
|
2.41358e-01 |
4.855e-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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