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Radionuclide Dosimetric Data Sheets

Praseodymium-134

Summary data

General

Classification

Isotope:  Pr-134
Atomic number (Z):  59
Mass number (A):  134
Neutron number (N):  75

Radioactive decay

Decay modes:  β+, Electron capture
Half-life:  11.0 [m]
Decay constant:  1.0502e-03 [1/s]
Daughters:  Ce-134 (100.0%)
Radioactive daughters:  Ce-134

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  1.08006 [MeV]
Mean photon energy:  3.15043 [MeV]
Air kerma rate constant, Γ10:  8.815e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair:  1.157e-16 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp:  1.730e-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-:  1.730e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp:  5.048e-13 [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-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/Pr-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/Pr-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/Pr-134 Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

1.61263e-05

4.508e+00

X-ray

4.82666e-03

1.807e-02

X-ray

5.25981e-03

1.091e-02

X-ray

3.42907e-02

8.537e-02

X-ray

3.47432e-02

1.563e-01

X-ray

3.91962e-02

1.520e-02

X-ray

3.92855e-02

2.944e-02

X-ray

1.69200e-01

1.020e-02

Gamma

1.84300e-01

4.845e-02

Gamma

1.88900e-01

3.570e-02

Gamma

2.15300e-01

2.142e-01

Gamma

2.93500e-01

3.060e-02

Gamma

2.99000e-01

1.275e-02

Gamma

3.09100e-01

9.690e-02

Gamma

3.31800e-01

1.887e-01

Gamma

3.34200e-01

1.862e-01

Gamma

3.84400e-01

1.071e-01

Gamma

3.92000e-01

1.020e-02

Gamma

4.09200e-01

8.925e-01

Gamma

4.17200e-01

3.825e-02

Gamma

4.29400e-01

5.355e-02

Gamma

4.46700e-01

1.020e-02

Gamma

4.80400e-01

3.315e-02

Gamma

5.11000e-01

1.424e+00

Annihilation photon

5.56000e-01

1.071e-01

Gamma

5.94100e-01

3.825e-02

Gamma

6.39600e-01

5.967e-01

Gamma

6.44400e-01

3.825e-02

Gamma

6.67200e-01

6.375e-02

Gamma

6.77600e-01

1.173e-01

Gamma

6.85700e-01

2.550e-02

Gamma

7.18000e-01

2.805e-02

Gamma

7.63200e-01

9.690e-02

Gamma

7.86200e-01

2.550e-02

Gamma

7.94500e-01

1.020e-02

Gamma

8.14100e-01

2.805e-02

Gamma

8.46600e-01

6.120e-02

Gamma

9.65500e-01

1.096e-01

Gamma

9.73900e-01

1.530e-01

Gamma

9.78700e-01

1.250e-01

Gamma

1.00000e+00

2.550e-02

Gamma

1.06210e+00

1.020e-02

Gamma

1.12540e+00

1.071e-01

Gamma

1.19680e+00

3.060e-02

Gamma

1.21330e+00

1.275e-02

Gamma

1.23390e+00

2.550e-02

Gamma

1.31200e+00

4.335e-02

Gamma

2.23300e+00

3.825e-02

Gamma

2.33100e+00

5.355e-02

Gamma

1.20577e+00

1.832e-02

Positron

1.28929e+00

1.446e-02

Positron

1.34135e+00

1.543e-01

Positron

1.34237e+00

2.314e-01

Positron

1.39491e+00

2.122e-02

Positron

1.42804e+00

3.182e-02

Positron

1.49643e+00

7.136e-02

Positron

1.57316e+00

2.122e-02

Positron

1.67612e+00

2.797e-02

Positron

1.95578e+00

1.061e-01

Positron

1.22653e-05

6.406e-01

Auger electron

6.25333e-05

6.961e-01

Auger electron

7.40136e-05

1.514e+00

Auger electron

1.35149e-04

2.363e-01

Auger electron

3.87982e-04

4.998e-02

Auger electron

6.26768e-04

5.569e-01

Auger electron

7.79300e-04

4.037e-02

Auger electron

3.85019e-03

2.151e-01

Auger electron

4.70666e-03

7.085e-02

Auger electron

2.83188e-02

1.846e-02

Auger electron

1.74844e-01

2.611e-02

Conversion electron

3.68744e-01

1.399e-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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