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Radionuclide Dosimetric Data Sheets
Dysprosium-148
Summary data
General
Classification
Isotope: Dy-148
Atomic number (Z): 66
Mass number (A): 148
Neutron number (N): 82
Radioactive decay
Decay modes: β+, Electron capture
Half-life: 3.3 [m]
Decay constant: 3.5007e-03 [1/s]
Daughters: Tb-148 (100.0%)
Radioactive daughters: Tb-148
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.02782 [MeV]
Mean photon energy: 0.71699 [MeV]
Air kerma rate constant, Γ10: 2.628e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 2.775e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 4.457e-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-:
4.457e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 1.149e-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/Dy-148 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-148 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/Dy-148 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/Dy-148 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.38223e-05 |
8.561e+00 |
X-ray |
|
1.16040e-03 |
1.453e-02 |
X-ray |
|
6.26069e-03 |
6.417e-02 |
X-ray |
|
6.98190e-03 |
4.197e-02 |
X-ray |
|
7.35101e-03 |
1.083e-02 |
X-ray |
|
4.37992e-02 |
2.182e-01 |
X-ray |
|
4.45546e-02 |
3.912e-01 |
X-ray |
|
5.03066e-02 |
4.001e-02 |
X-ray |
|
5.04632e-02 |
7.738e-02 |
X-ray |
|
5.17791e-02 |
1.702e-02 |
X-ray |
|
5.11000e-01 |
7.606e-02 |
Annihilation photon |
|
6.20240e-01 |
9.670e-01 |
Gamma |
|
1.24720e+00 |
1.451e-02 |
Gamma |
|
4.75796e-01 |
3.799e-02 |
Positron |
|
1.73725e-05 |
5.097e-01 |
Auger electron |
|
1.22012e-04 |
3.911e+00 |
Auger electron |
|
1.35476e-04 |
2.408e-01 |
Auger electron |
|
1.97276e-04 |
6.192e-01 |
Auger electron |
|
6.19505e-04 |
1.242e-01 |
Auger electron |
|
9.60893e-04 |
1.326e+00 |
Auger electron |
|
1.13624e-03 |
7.537e-02 |
Auger electron |
|
4.95101e-03 |
4.795e-01 |
Auger electron |
|
6.15874e-03 |
1.675e-01 |
Auger electron |
|
7.40053e-03 |
1.471e-02 |
Auger electron |
|
3.58945e-02 |
3.248e-02 |
Auger electron |
|
4.25487e-02 |
1.615e-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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