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Radionuclide Dosimetric Data Sheets

Praseodymium-147

Summary data

General

Classification

Isotope:  Pr-147
Atomic number (Z):  59
Mass number (A):  147
Neutron number (N):  88

Radioactive decay

Decay modes:  β-
Half-life:  13.4 [m]
Decay constant:  8.6212e-04 [1/s]
Daughters:  Nd-147 (100.0%)
Radioactive daughters:  Nd-147

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  0.88963 [MeV]
Mean photon energy:  0.48872 [MeV]
Air kerma rate constant, Γ10:  1.967e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair:  1.967e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp:  1.425e-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-:  1.425e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp:  7.830e-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/Pr-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/Pr-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/Pr-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/Pr-147 Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

1.52010e-05

1.401e+01

X-ray

8.63504e-04

1.247e-02

X-ray

5.21638e-03

6.890e-02

X-ray

5.72010e-03

4.477e-02

X-ray

6.07608e-03

1.136e-02

X-ray

3.68696e-02

2.656e-01

X-ray

3.73962e-02

4.837e-01

X-ray

4.22041e-02

4.778e-02

X-ray

4.23100e-02

9.246e-02

X-ray

4.33442e-02

1.026e-02

X-ray

4.33673e-02

1.994e-02

X-ray

4.99000e-02

5.586e-02

Gamma

7.79900e-02

1.425e-01

Gamma

8.66800e-02

4.332e-02

Gamma

1.27780e-01

5.700e-02

Gamma

3.14680e-01

1.254e-01

Gamma

3.28990e-01

2.451e-02

Gamma

3.35850e-01

2.964e-02

Gamma

4.77740e-01

2.850e-02

Gamma

5.54610e-01

3.363e-02

Gamma

5.77910e-01

8.037e-02

Gamma

6.41480e-01

9.462e-02

Gamma

1.26111e+00

2.622e-02

Gamma

1.30042e+00

1.539e-02

Gamma

3.43722e-01

1.211e-02

Beta

4.77635e-01

2.015e-02

Beta

4.94478e-01

5.952e-02

Beta

5.14303e-01

2.381e-02

Beta

7.19620e-01

1.420e-01

Beta

7.30125e-01

1.357e-01

Beta

8.66402e-01

1.556e-02

Beta

9.33545e-01

1.128e-01

Beta

9.78950e-01

7.310e-02

Beta

1.01831e+00

3.237e-01

Beta

1.04062e+00

2.088e-02

Beta

1.36628e-05

1.401e+00

Auger electron

3.48800e-05

1.128e-02

Auger electron

7.80229e-05

1.430e+00

Auger electron

9.40042e-05

5.306e+00

Auger electron

1.51707e-04

8.115e-01

Auger electron

4.35585e-04

1.571e-01

Auger electron

7.10571e-04

1.890e+00

Auger electron

8.73014e-04

1.297e-01

Auger electron

4.14449e-03

7.160e-01

Auger electron

5.09473e-03

2.406e-01

Auger electron

6.07806e-03

1.998e-02

Auger electron

6.30300e-03

5.127e-01

Conversion electron

3.03768e-02

5.111e-02

Auger electron

3.43930e-02

3.560e-01

Conversion electron

3.58432e-02

2.452e-02

Auger electron

4.28067e-02

6.537e-02

Conversion electron

4.30830e-02

7.714e-02

Conversion electron

4.31726e-02

1.494e-02

Conversion electron

4.36993e-02

1.301e-02

Conversion electron

4.86129e-02

2.029e-02

Conversion electron

7.08967e-02

4.342e-02

Conversion electron

7.12626e-02

2.554e-02

Conversion electron

7.17893e-02

2.613e-02

Conversion electron

7.67029e-02

2.110e-02

Conversion electron

7.99526e-02

2.763e-02

Conversion electron

8.04793e-02

3.059e-02

Conversion electron

8.41830e-02

3.506e-02

Conversion electron

8.53929e-02

1.488e-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

 

 

 

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