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Radionuclide Dosimetric Data Sheets
Praseodymium-148
Summary data
General
Classification
Isotope: Pr-148
Atomic number (Z): 59
Mass number (A): 148
Neutron number (N): 89
Radioactive decay
Decay modes: β-
Half-life: 2.29 [m]
Decay constant: 5.0447e-03 [1/s]
Daughters: Nd-148 (100.0%)
Radioactive daughters: None
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 1.66373 [MeV]
Mean photon energy: 0.99049 [MeV]
Air kerma rate constant, Γ10: 3.389e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 3.389e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 2.666e-13 [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-:
2.666e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 1.587e-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/Pr-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/Pr-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/Pr-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/Pr-148 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.52019e-05 |
3.609e-01 |
X-ray |
|
3.73962e-02 |
1.313e-02 |
X-ray |
|
3.01702e-01 |
6.220e-01 |
Gamma |
|
4.50800e-01 |
2.923e-02 |
Gamma |
|
6.15100e-01 |
2.426e-02 |
Gamma |
|
6.36500e-01 |
1.120e-02 |
Gamma |
|
6.60000e-01 |
1.742e-02 |
Gamma |
|
6.97500e-01 |
5.785e-02 |
Gamma |
|
7.21300e-01 |
3.794e-02 |
Gamma |
|
8.25300e-01 |
1.679e-02 |
Gamma |
|
8.69200e-01 |
4.105e-02 |
Gamma |
|
9.03100e-01 |
1.306e-02 |
Gamma |
|
9.47100e-01 |
1.742e-02 |
Gamma |
|
1.02320e+00 |
5.660e-02 |
Gamma |
|
1.15740e+00 |
1.306e-02 |
Gamma |
|
1.17120e+00 |
1.057e-02 |
Gamma |
|
1.20990e+00 |
1.617e-02 |
Gamma |
|
1.24860e+00 |
5.474e-02 |
Gamma |
|
1.35823e+00 |
6.655e-02 |
Gamma |
|
1.38210e+00 |
2.115e-02 |
Gamma |
|
1.77170e+00 |
1.493e-02 |
Gamma |
|
1.90710e+00 |
1.057e-02 |
Gamma |
|
2.12960e+00 |
2.239e-02 |
Gamma |
|
2.62900e+00 |
1.493e-02 |
Gamma |
|
7.01336e-01 |
1.104e-02 |
Beta |
|
7.48311e-01 |
4.116e-02 |
Beta |
|
9.72590e-01 |
3.714e-02 |
Beta |
|
9.84074e-01 |
1.807e-02 |
Beta |
|
1.13554e+00 |
5.722e-02 |
Beta |
|
1.30257e+00 |
2.610e-02 |
Beta |
|
1.32558e+00 |
8.834e-02 |
Beta |
|
1.39215e+00 |
1.004e-02 |
Beta |
|
1.51558e+00 |
4.216e-02 |
Beta |
|
1.55157e+00 |
2.510e-02 |
Beta |
|
1.60931e+00 |
4.216e-02 |
Beta |
|
1.62004e+00 |
4.317e-02 |
Beta |
|
1.66936e+00 |
1.907e-02 |
Beta |
|
1.72502e+00 |
1.305e-02 |
Beta |
|
1.95527e+00 |
2.771e-01 |
Beta |
|
2.09569e+00 |
2.199e-01 |
Beta |
|
1.36628e-05 |
3.608e-02 |
Auger electron |
|
7.80085e-05 |
3.684e-02 |
Auger electron |
|
9.40076e-05 |
1.366e-01 |
Auger electron |
|
1.51756e-04 |
2.087e-02 |
Auger electron |
|
7.10529e-04 |
4.871e-02 |
Auger electron |
|
4.14452e-03 |
1.847e-02 |
Auger electron |
|
2.58105e-01 |
2.538e-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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