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Radionuclide Dosimetric Data Sheets
Dysprosium-152
Summary data
General
Classification
Isotope: Dy-152
Atomic number (Z): 66
Mass number (A): 152
Neutron number (N): 86
Radioactive decay
Decay modes: α, Electron capture
Half-life: 2.38 [h]
Decay constant: 8.0900e-05 [1/s]
Daughters: Tb-152 (99.9%), Gd-148 (0.1%)
Radioactive daughters: Tb-152, Gd-148
Dosimetric constants
Mean alpha energy: 0.0037 [MeV]
Mean electron energy: 0.01295 [MeV]
Mean photon energy: 0.28669 [MeV]
Air kerma rate constant, Γ10: 1.121e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 1.121e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 2.668e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for alphas, Δα: 5.928e-16
[Gy·kg/Bq·s]
Equilibrium dose constant for betas/electrons, Δβ-,β+,e-:
2.075e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 4.593e-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/Dy-152 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/Dy-152 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/Dy-152 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.38282e-05 |
9.068e+00 |
X-ray |
|
1.16093e-03 |
1.529e-02 |
X-ray |
|
6.26069e-03 |
6.628e-02 |
X-ray |
|
6.98190e-03 |
4.362e-02 |
X-ray |
|
7.35101e-03 |
1.118e-02 |
X-ray |
|
4.37992e-02 |
2.203e-01 |
X-ray |
|
4.45546e-02 |
3.949e-01 |
X-ray |
|
5.03066e-02 |
4.039e-02 |
X-ray |
|
5.04632e-02 |
7.813e-02 |
X-ray |
|
5.17791e-02 |
1.718e-02 |
X-ray |
|
2.56930e-01 |
9.750e-01 |
Gamma |
|
1.73725e-05 |
5.415e-01 |
Auger electron |
|
1.21976e-04 |
4.145e+00 |
Auger electron |
|
1.36060e-04 |
2.556e-01 |
Auger electron |
|
1.97494e-04 |
6.627e-01 |
Auger electron |
|
6.24410e-04 |
1.441e-01 |
Auger electron |
|
9.61345e-04 |
1.394e+00 |
Auger electron |
|
1.13745e-03 |
7.936e-02 |
Auger electron |
|
4.96098e-03 |
5.034e-01 |
Auger electron |
|
6.16997e-03 |
1.760e-01 |
Auger electron |
|
7.41358e-03 |
1.547e-02 |
Auger electron |
|
3.58945e-02 |
3.280e-02 |
Auger electron |
|
4.25487e-02 |
1.631e-02 |
Auger electron |
|
2.04870e-01 |
2.031e-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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