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Radionuclide Dosimetric Data Sheets
Ytterbium-162
Summary data
General
Classification
Isotope: Yb-162
Atomic number (Z): 70
Mass number (A): 162
Neutron number (N): 92
Radioactive decay
Decay modes: β+, Electron capture
Half-life: 18.87 [m]
Decay constant: 6.1221e-04 [1/s]
Daughters: Tm-162 (100.0%)
Radioactive daughters: Tm-162
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.03736 [MeV]
Mean photon energy: 0.25191 [MeV]
Air kerma rate constant, Γ10: 9.240e-18 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 9.308e-18 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 5.986e-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-:
5.986e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 4.036e-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/Yb-162 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-162 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/Yb-162 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/Yb-162 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.33878e-05 |
1.178e+01 |
X-ray |
|
1.43568e-03 |
3.116e-02 |
X-ray |
|
7.12210e-03 |
1.299e-02 |
X-ray |
|
7.16830e-03 |
1.147e-01 |
X-ray |
|
8.11341e-03 |
8.016e-02 |
X-ray |
|
8.45978e-03 |
1.953e-02 |
X-ray |
|
9.44243e-03 |
1.424e-02 |
X-ray |
|
4.46500e-02 |
3.040e-02 |
Gamma |
|
4.98586e-02 |
2.540e-01 |
X-ray |
|
5.08500e-02 |
4.490e-01 |
X-ray |
|
5.74128e-02 |
4.705e-02 |
X-ray |
|
5.76229e-02 |
9.093e-02 |
X-ray |
|
5.91167e-02 |
1.044e-02 |
X-ray |
|
5.91642e-02 |
2.020e-02 |
X-ray |
|
1.18700e-01 |
3.360e-01 |
Gamma |
|
1.63350e-01 |
4.000e-01 |
Gamma |
|
5.76100e-01 |
3.240e-02 |
Gamma |
|
6.07680e-01 |
2.280e-02 |
Gamma |
|
2.06752e-05 |
5.468e-01 |
Auger electron |
|
1.47993e-04 |
5.242e+00 |
Auger electron |
|
2.25978e-04 |
1.698e-01 |
Auger electron |
|
2.48963e-04 |
9.181e-01 |
Auger electron |
|
8.47841e-04 |
1.847e-01 |
Auger electron |
|
1.19532e-03 |
2.000e+00 |
Auger electron |
|
1.37141e-03 |
9.498e-02 |
Auger electron |
|
5.66668e-03 |
6.760e-01 |
Auger electron |
|
7.10336e-03 |
2.427e-01 |
Auger electron |
|
8.57246e-03 |
2.208e-02 |
Auger electron |
|
3.45690e-02 |
1.105e-01 |
Conversion electron |
|
3.50206e-02 |
8.565e-02 |
Conversion electron |
|
3.60119e-02 |
9.001e-02 |
Conversion electron |
|
4.07026e-02 |
3.201e-02 |
Auger electron |
|
4.27849e-02 |
6.748e-02 |
Conversion electron |
|
4.46500e-02 |
1.822e-02 |
Conversion electron |
|
4.84128e-02 |
1.628e-02 |
Auger electron |
|
5.92120e-02 |
5.947e-02 |
Conversion electron |
|
1.03862e-01 |
3.061e-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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