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Radionuclide Dosimetric Data Sheets
Promethium-152
Summary data
General
Classification
Isotope: Pm-152
Atomic number (Z): 61
Mass number (A): 152
Neutron number (N): 91
Radioactive decay
Decay modes: β-
Half-life: 4.12 [m]
Decay constant: 2.8040e-03 [1/s]
Daughters: Sm-152 (100.0%)
Radioactive daughters: None
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 1.32829 [MeV]
Mean photon energy: 0.28658 [MeV]
Air kerma rate constant, Γ10: 1.007e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 1.007e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 2.128e-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-:
2.128e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 4.592e-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/Pm-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/Pm-152 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/Pm-152 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/Pm-152 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.45298e-05 |
1.749e+00 |
X-ray |
|
5.62210e-03 |
1.024e-02 |
X-ray |
|
3.95578e-02 |
2.891e-02 |
X-ray |
|
4.01680e-02 |
5.233e-02 |
X-ray |
|
4.54683e-02 |
1.015e-02 |
X-ray |
|
1.21800e-01 |
1.570e-01 |
Gamma |
|
6.95900e-01 |
2.606e-02 |
Gamma |
|
8.41400e-01 |
4.051e-02 |
Gamma |
|
9.60900e-01 |
3.674e-02 |
Gamma |
|
9.63300e-01 |
3.564e-02 |
Gamma |
|
1.32160e+00 |
1.068e-02 |
Gamma |
|
4.28032e-01 |
1.071e-02 |
Beta |
|
6.96571e-01 |
2.803e-02 |
Beta |
|
8.58980e-01 |
1.041e-02 |
Beta |
|
9.53266e-01 |
4.504e-02 |
Beta |
|
1.00722e+00 |
1.401e-02 |
Beta |
|
1.39160e+00 |
2.102e-01 |
Beta |
|
1.44765e+00 |
6.106e-01 |
Beta |
|
1.51033e-05 |
1.362e-01 |
Auger electron |
|
9.36345e-05 |
1.129e-01 |
Auger electron |
|
1.06795e-04 |
7.295e-01 |
Auger electron |
|
1.70290e-04 |
1.151e-01 |
Auger electron |
|
4.80164e-04 |
1.784e-02 |
Auger electron |
|
8.03376e-04 |
2.543e-01 |
Auger electron |
|
9.72318e-04 |
1.624e-02 |
Auger electron |
|
4.45386e-03 |
9.405e-02 |
Auger electron |
|
5.50200e-03 |
3.214e-02 |
Auger electron |
|
7.49240e-02 |
1.062e-01 |
Conversion electron |
|
1.14098e-01 |
1.002e-02 |
Conversion electron |
|
1.14482e-01 |
2.485e-02 |
Conversion electron |
|
1.15092e-01 |
2.454e-02 |
Conversion electron |
|
1.20392e-01 |
1.374e-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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