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Radionuclide Dosimetric Data Sheets
Neodymium-134
Summary data
General
Classification
Isotope: Nd-134
Atomic number (Z): 60
Mass number (A): 134
Neutron number (N): 74
Radioactive decay
Decay modes: β+, Electron capture
Half-life: 8.5 [m]
Decay constant: 1.3591e-03 [1/s]
Daughters: Pr-134m (100.0%)
Radioactive daughters: Pr-134m
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.17276 [MeV]
Mean photon energy: 0.54209 [MeV]
Air kerma rate constant, Γ10: 1.367e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 2.158e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 2.768e-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-:
2.768e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 8.685e-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-134 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-134 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-134 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-134 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.56191e-05 |
1.094e+01 |
X-ray |
|
5.01953e-03 |
4.882e-02 |
X-ray |
|
5.48692e-03 |
2.973e-02 |
X-ray |
|
3.55671e-02 |
2.201e-01 |
X-ray |
|
3.60557e-02 |
4.020e-01 |
X-ray |
|
4.06843e-02 |
3.940e-02 |
X-ray |
|
4.07816e-02 |
7.628e-02 |
X-ray |
|
4.17904e-02 |
1.638e-02 |
X-ray |
|
9.01000e-02 |
2.242e-02 |
Gamma |
|
1.01200e-01 |
2.360e-02 |
Gamma |
|
1.04100e-01 |
1.770e-02 |
Gamma |
|
1.15700e-01 |
1.770e-02 |
Gamma |
|
1.44300e-01 |
1.652e-02 |
Gamma |
|
1.47800e-01 |
1.298e-02 |
Gamma |
|
1.63200e-01 |
5.900e-01 |
Gamma |
|
1.89400e-01 |
1.003e-02 |
Gamma |
|
2.16800e-01 |
1.257e-01 |
Gamma |
|
2.88900e-01 |
1.322e-01 |
Gamma |
|
2.95500e-01 |
1.711e-02 |
Gamma |
|
3.09200e-01 |
1.711e-02 |
Gamma |
|
3.20500e-01 |
1.062e-02 |
Gamma |
|
3.79100e-01 |
1.062e-02 |
Gamma |
|
4.67900e-01 |
2.832e-02 |
Gamma |
|
4.83500e-01 |
2.360e-02 |
Gamma |
|
5.11000e-01 |
4.085e-01 |
Annihilation photon |
|
5.83000e-01 |
1.180e-02 |
Gamma |
|
6.73000e-01 |
1.180e-02 |
Gamma |
|
9.92000e-01 |
1.829e-02 |
Gamma |
|
1.00000e+00 |
4.130e-02 |
Gamma |
|
6.15549e-01 |
1.385e-02 |
Positron |
|
7.34605e-01 |
2.444e-02 |
Positron |
|
7.58647e-01 |
1.286e-01 |
Positron |
|
1.29601e-05 |
1.279e+00 |
Auger electron |
|
3.35200e-05 |
1.039e-02 |
Auger electron |
|
7.04602e-05 |
1.367e+00 |
Auger electron |
|
8.71969e-05 |
3.846e+00 |
Auger electron |
|
1.42873e-04 |
6.079e-01 |
Auger electron |
|
4.15290e-04 |
1.282e-01 |
Auger electron |
|
6.67611e-04 |
1.416e+00 |
Auger electron |
|
8.25771e-04 |
1.002e-01 |
Auger electron |
|
3.99658e-03 |
5.422e-01 |
Auger electron |
|
4.89985e-03 |
1.806e-01 |
Auger electron |
|
5.83641e-03 |
1.480e-02 |
Auger electron |
|
2.93378e-02 |
4.486e-02 |
Auger electron |
|
3.45832e-02 |
2.133e-02 |
Auger electron |
|
4.80900e-02 |
4.575e-02 |
Conversion electron |
|
6.20900e-02 |
2.258e-02 |
Conversion electron |
|
7.36900e-02 |
1.656e-02 |
Conversion electron |
|
1.21190e-01 |
3.310e-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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