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Radionuclide Dosimetric Data Sheets
Neodymium-147
Summary data
General
Classification
Isotope: Nd-147
Atomic number (Z): 60
Mass number (A): 147
Neutron number (N): 87
Radioactive decay
Decay modes: β-
Half-life: 10.98 [d]
Decay constant: 7.3065e-07 [1/s]
Daughters: Pm-147 (100.0%)
Radioactive daughters: Pm-147
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.27015 [MeV]
Mean photon energy: 0.14078 [MeV]
Air kerma rate constant, Γ10: 6.036e-18 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 6.036e-18 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 4.328e-14 [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-:
4.328e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 2.256e-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/Nd-147 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/Nd-147 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/Nd-147 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/Nd-147 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.48434e-05 |
5.992e+00 |
X-ray |
|
5.41729e-03 |
3.247e-02 |
X-ray |
|
5.95960e-03 |
2.048e-02 |
X-ray |
|
3.81996e-02 |
1.326e-01 |
X-ray |
|
3.87671e-02 |
2.406e-01 |
X-ray |
|
4.37575e-02 |
2.395e-02 |
X-ray |
|
4.38721e-02 |
4.634e-02 |
X-ray |
|
4.49791e-02 |
1.004e-02 |
X-ray |
|
9.11050e-02 |
2.790e-01 |
Gamma |
|
3.19411e-01 |
1.953e-02 |
Gamma |
|
4.39895e-01 |
1.200e-02 |
Gamma |
|
5.31016e-01 |
1.309e-01 |
Gamma |
|
5.74215e-02 |
2.197e-02 |
Beta |
|
1.05864e-01 |
1.528e-01 |
Beta |
|
2.63769e-01 |
8.091e-01 |
Beta |
|
1.43706e-05 |
5.237e-01 |
Auger electron |
|
8.52328e-05 |
4.884e-01 |
Auger electron |
|
1.00573e-04 |
2.396e+00 |
Auger electron |
|
1.59860e-04 |
3.847e-01 |
Auger electron |
|
4.73040e-04 |
7.446e-02 |
Auger electron |
|
7.55886e-04 |
8.360e-01 |
Auger electron |
|
9.22488e-04 |
5.548e-02 |
Auger electron |
|
4.29924e-03 |
3.146e-01 |
Auger electron |
|
5.29891e-03 |
1.067e-01 |
Auger electron |
|
3.14373e-02 |
2.413e-02 |
Auger electron |
|
3.71303e-02 |
1.167e-02 |
Auger electron |
|
4.58860e-02 |
4.918e-01 |
Conversion electron |
|
8.37109e-02 |
6.324e-02 |
Conversion electron |
|
8.97581e-02 |
1.546e-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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