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Radionuclide Dosimetric Data Sheets
Ytterbium-164
Summary data
General
Classification
Isotope: Yb-164
Atomic number (Z): 70
Mass number (A): 164
Neutron number (N): 94
Radioactive decay
Decay modes: Electron capture
Half-life: 75.8 [m]
Decay constant: 1.5241e-04 [1/s]
Daughters: Tm-164 (100.0%)
Radioactive daughters: Tm-164
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.00945 [MeV]
Mean photon energy: 0.0542 [MeV]
Air kerma rate constant, Γ10: 2.467e-18 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 2.467e-18 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 1.514e-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-:
1.514e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 8.684e-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/Yb-164 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/Yb-164 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/Yb-164 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.33952e-05 |
8.022e+00 |
X-ray |
|
1.43513e-03 |
2.138e-02 |
X-ray |
|
7.16830e-03 |
8.187e-02 |
X-ray |
|
8.11340e-03 |
5.376e-02 |
X-ray |
|
8.45978e-03 |
1.394e-02 |
X-ray |
|
4.98586e-02 |
2.247e-01 |
X-ray |
|
5.08500e-02 |
3.971e-01 |
X-ray |
|
5.74128e-02 |
4.162e-02 |
X-ray |
|
5.76229e-02 |
8.043e-02 |
X-ray |
|
5.91642e-02 |
1.787e-02 |
X-ray |
|
2.06752e-05 |
3.708e-01 |
Auger electron |
|
1.48033e-04 |
3.568e+00 |
Auger electron |
|
2.25081e-04 |
1.148e-01 |
Auger electron |
|
2.47839e-04 |
6.183e-01 |
Auger electron |
|
8.42662e-04 |
1.139e-01 |
Auger electron |
|
1.19465e-03 |
1.373e+00 |
Auger electron |
|
1.36963e-03 |
6.508e-02 |
Auger electron |
|
5.64579e-03 |
4.673e-01 |
Auger electron |
|
7.08047e-03 |
1.676e-01 |
Auger electron |
|
8.54683e-03 |
1.523e-02 |
Auger electron |
|
4.07026e-02 |
2.832e-02 |
Auger electron |
|
4.84128e-02 |
1.440e-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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