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Radionuclide Dosimetric Data Sheets

Neodymium-152

Isotope:  Nd-152
Atomic number (Z):  60
Mass number (A):  152
Neutron number (N):  92

Decay modes:  β-
Half-life:  11.4 [m]
Decay constant:  1.0134e-03 [1/s]
Daughters:  Pm-152 (100.0%)
Radioactive daughters:  Pm-152

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  0.33137 [MeV]
Mean photon energy:  0.16436 [MeV]
Air kerma rate constant, Γ₁₀:  7.175e-18 [Gy·m²/Bq·s]
Air kerma coefficient, K_air:  7.175e-18 [Gy·m²/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δ_wp:  5.309e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for alphas, Δ_α:  0.000e+00 [Gy·kg/Bq·s]
Equilibrium dose constant for betas/electrons, Δ_β-,β+,e-:  5.309e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δ_p:  2.633e-14 [Gy·kg/Bq·s]

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-152 DPK.csv

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-152 Summary Spectrum.csv

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-152 Beta Spectrum.csv

 

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-152 Summary Spectrum.csv

 

Energy [MeV]	Yield [#/nt] if > 0.01	Radiation type
1.48726e-05	4.976e+00	X-ray
5.41730e-03	2.117e-02	X-ray
5.95961e-03	1.491e-02	X-ray
1.60900e-02	4.843e-02	Gamma
4.44400e-02	6.177e-02	Gamma
2.50150e-01	1.827e-01	Gamma
2.78560e-01	2.900e-01	Gamma
2.94470e-01	3.277e-02	Gamma
5.92500e-01	1.102e-02	Gamma
1.57935e-01	1.731e-02	Beta
1.65563e-01	1.514e-02	Beta
2.68099e-01	4.891e-01	Beta
3.67321e-01	1.975e-02	Beta
3.78895e-01	3.762e-02	Beta
3.85447e-01	4.138e-01	Beta
1.43706e-05	4.413e-01	Auger electron
8.66425e-05	4.072e-01	Auger electron
1.00363e-04	1.994e+00	Auger electron
1.59905e-04	3.398e-01	Auger electron
5.04385e-04	1.136e-01	Auger electron
7.58715e-04	6.564e-01	Auger electron
9.29605e-04	4.394e-02	Auger electron
4.37629e-03	2.439e-01	Auger electron
5.38495e-03	8.312e-02	Auger electron
8.69590e-03	7.983e-02	Conversion electron
9.07080e-03	7.428e-02	Conversion electron
9.63810e-03	1.185e-01	Conversion electron
1.47431e-02	5.989e-02	Conversion electron
1.60900e-02	1.498e-02	Conversion electron
1.77059e-02	1.098e-02	Conversion electron
2.11059e-02	6.330e-02	Conversion electron
2.71531e-02	1.501e-02	Conversion electron
3.70459e-02	1.087e-02	Conversion electron

 

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

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

 

 

 

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