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Radionuclide Dosimetric Data Sheets
Lutetium-167
Summary data
General
Classification
Isotope: Lu-167
Atomic number (Z): 71
Mass number (A): 167
Neutron number (N): 96
Radioactive decay
Decay modes: β+, Electron capture
Half-life: 51.5 [m]
Decay constant: 2.2432e-04 [1/s]
Daughters: Yb-167 (100.0%)
Radioactive daughters: Yb-167
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.11094 [MeV]
Mean photon energy: 1.69202 [MeV]
Air kerma rate constant, Γ10: 5.565e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 5.795e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 1.777e-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-:
1.777e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 2.711e-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/Lu-167 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-167 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-167 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-167 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
8.60592e-06 |
1.950e+01 |
X-ray |
|
1.50627e-03 |
4.626e-02 |
X-ray |
|
6.56570e-03 |
1.097e-02 |
X-ray |
|
7.35569e-03 |
1.752e-02 |
X-ray |
|
7.40529e-03 |
1.546e-01 |
X-ray |
|
8.41451e-03 |
1.035e-01 |
X-ray |
|
8.51880e-03 |
1.041e-02 |
X-ray |
|
8.74937e-03 |
2.640e-02 |
X-ray |
|
9.79888e-03 |
1.844e-02 |
X-ray |
|
2.62300e-02 |
2.012e-02 |
Gamma |
|
2.96600e-02 |
1.625e-01 |
Gamma |
|
3.39100e-02 |
3.135e-02 |
Gamma |
|
4.47700e-02 |
1.122e-02 |
Gamma |
|
5.14483e-02 |
2.709e-01 |
X-ray |
|
5.25072e-02 |
4.773e-01 |
X-ray |
|
5.77800e-02 |
1.084e-02 |
Gamma |
|
5.92804e-02 |
5.030e-02 |
X-ray |
|
5.95058e-02 |
9.720e-02 |
X-ray |
|
6.10550e-02 |
1.119e-02 |
X-ray |
|
6.11060e-02 |
2.164e-02 |
X-ray |
|
7.86700e-02 |
1.354e-02 |
Gamma |
|
1.44970e-01 |
1.664e-02 |
Gamma |
|
1.78870e-01 |
2.477e-02 |
Gamma |
|
1.82070e-01 |
1.703e-02 |
Gamma |
|
1.88660e-01 |
1.858e-02 |
Gamma |
|
2.13200e-01 |
3.328e-02 |
Gamma |
|
2.22790e-01 |
1.049e-02 |
Gamma |
|
2.29780e-01 |
1.026e-02 |
Gamma |
|
2.39220e-01 |
7.663e-02 |
Gamma |
|
2.58540e-01 |
1.393e-02 |
Gamma |
|
2.78910e-01 |
1.780e-02 |
Gamma |
|
3.17600e-01 |
1.819e-02 |
Gamma |
|
4.01170e-01 |
3.173e-02 |
Gamma |
|
4.45560e-01 |
1.277e-02 |
Gamma |
|
5.10300e-01 |
1.664e-02 |
Gamma |
|
5.11000e-01 |
1.188e-01 |
Annihilation photon |
|
5.13100e-01 |
1.935e-02 |
Gamma |
|
9.88400e-01 |
1.060e-02 |
Gamma |
|
1.18854e+00 |
1.444e-02 |
Gamma |
|
1.22731e+00 |
1.451e-02 |
Gamma |
|
1.26726e+00 |
3.870e-02 |
Gamma |
|
1.39760e+00 |
1.161e-02 |
Gamma |
|
1.50684e+00 |
3.019e-02 |
Gamma |
|
1.63369e+00 |
1.393e-02 |
Gamma |
|
1.64449e+00 |
1.741e-02 |
Gamma |
|
1.94132e+00 |
1.741e-02 |
Gamma |
|
1.97391e+00 |
1.490e-02 |
Gamma |
|
1.97391e+00 |
1.490e-02 |
Gamma |
|
1.97955e+00 |
1.095e-02 |
Gamma |
|
2.01304e+00 |
1.509e-02 |
Gamma |
|
9.21623e-01 |
1.048e-02 |
Positron |
|
9.49892e-06 |
1.742e+00 |
Auger electron |
|
1.88627e-05 |
2.452e+00 |
Auger electron |
|
1.54584e-04 |
7.047e+00 |
Auger electron |
|
2.52910e-04 |
2.219e-01 |
Auger electron |
|
2.66722e-04 |
1.406e+00 |
Auger electron |
|
8.92173e-04 |
1.946e-01 |
Auger electron |
|
1.26197e-03 |
2.732e+00 |
Auger electron |
|
1.44463e-03 |
1.257e-01 |
Auger electron |
|
2.31580e-03 |
2.080e-01 |
Conversion electron |
|
4.25100e-03 |
5.882e-02 |
Conversion electron |
|
5.82724e-03 |
8.273e-01 |
Auger electron |
|
5.92900e-03 |
3.942e-02 |
Conversion electron |
|
7.32132e-03 |
2.985e-01 |
Auger electron |
|
8.84662e-03 |
2.739e-02 |
Auger electron |
|
1.41760e-02 |
4.547e-02 |
Conversion electron |
|
1.46374e-02 |
3.183e-02 |
Conversion electron |
|
1.56962e-02 |
3.601e-02 |
Conversion electron |
|
1.68890e-02 |
2.934e-02 |
Conversion electron |
|
1.72290e-02 |
2.333e-02 |
Conversion electron |
|
1.88874e-02 |
1.111e-02 |
Conversion electron |
|
1.92060e-02 |
8.069e-02 |
Conversion electron |
|
1.96674e-02 |
5.941e-02 |
Conversion electron |
|
1.99462e-02 |
1.388e-02 |
Conversion electron |
|
2.07262e-02 |
8.296e-02 |
Conversion electron |
|
2.26948e-02 |
2.661e-02 |
Conversion electron |
|
2.34560e-02 |
1.172e-02 |
Conversion electron |
|
2.49762e-02 |
1.040e-02 |
Conversion electron |
|
2.77248e-02 |
5.108e-02 |
Conversion electron |
|
2.96600e-02 |
1.333e-02 |
Conversion electron |
|
4.06390e-02 |
1.154e-02 |
Conversion electron |
|
4.19611e-02 |
3.269e-02 |
Auger electron |
|
4.99512e-02 |
1.671e-02 |
Auger electron |
|
6.86774e-02 |
3.285e-02 |
Conversion electron |
|
6.97362e-02 |
3.327e-02 |
Conversion electron |
|
7.67348e-02 |
1.701e-02 |
Conversion electron |
|
1.51759e-01 |
1.154e-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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