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Radionuclide Dosimetric Data Sheets

Cerium-130

Summary data

General

Classification

Isotope:  Ce-130
Atomic number (Z):  58
Mass number (A):  130
Neutron number (N):  72

Radioactive decay

Decay modes:  β+, Electron capture
Half-life:  22.9 [m]
Decay constant:  5.0447e-04 [1/s]
Daughters:  La-130 (100.0%)
Radioactive daughters:  La-130

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  0.07379 [MeV]
Mean photon energy:  0.50027 [MeV]
Air kerma rate constant, Γ10:  1.938e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair:  2.109e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp:  1.182e-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-:  1.182e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp:  8.015e-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/Ce-130 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/Ce-130 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/Ce-130 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/Ce-130 Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

2.10731e-05

1.693e+01

X-ray

4.63652e-03

6.093e-02

X-ray

5.03753e-03

3.717e-02

X-ray

3.30405e-02

2.878e-01

X-ray

3.34591e-02

5.285e-01

X-ray

3.77381e-02

5.094e-02

X-ray

3.78202e-02

9.870e-02

X-ray

3.87183e-02

1.081e-02

X-ray

3.87359e-02

2.105e-02

X-ray

1.09300e-01

2.146e-02

Gamma

1.10400e-01

2.146e-02

Gamma

1.31100e-01

3.700e-01

Gamma

1.36400e-01

5.069e-02

Gamma

1.76900e-01

1.302e-02

Gamma

2.09600e-01

4.385e-02

Gamma

2.19800e-01

5.809e-02

Gamma

2.53700e-01

1.480e-02

Gamma

2.56500e-01

1.665e-02

Gamma

2.67300e-01

4.773e-02

Gamma

3.04100e-01

1.043e-02

Gamma

3.07500e-01

5.310e-02

Gamma

3.40600e-01

1.584e-02

Gamma

3.46800e-01

1.110e-02

Gamma

5.11000e-01

8.816e-02

Annihilation photon

7.52200e-01

1.169e-02

Gamma

8.56300e-01

1.417e-02

Gamma

8.61200e-01

1.106e-02

Gamma

8.89400e-01

1.214e-02

Gamma

9.77200e-01

3.885e-02

Gamma

1.15800e+00

1.018e-02

Gamma

1.19660e+00

1.913e-02

Gamma

1.28910e+00

2.072e-02

Gamma

4.78469e-01

3.152e-02

Positron

1.18532e-05

2.958e+00

Auger electron

3.33700e-05

2.437e-02

Auger electron

6.07130e-05

5.897e+00

Auger electron

6.29370e-05

1.865e+00

Auger electron

1.17940e-04

8.327e-01

Auger electron

3.52047e-04

1.745e-01

Auger electron

5.79514e-04

1.982e+00

Auger electron

7.29920e-04

1.709e-01

Auger electron

3.69599e-03

7.780e-01

Auger electron

4.50940e-03

2.573e-01

Auger electron

5.35368e-03

2.021e-02

Auger electron

2.73123e-02

6.612e-02

Auger electron

3.21336e-02

3.093e-02

Auger electron

7.03570e-02

1.088e-02

Conversion electron

7.14570e-02

1.094e-02

Conversion electron

9.21570e-02

1.948e-01

Conversion electron

9.74570e-02

2.423e-02

Conversion electron

1.24858e-01

1.860e-02

Conversion electron

1.25198e-01

2.541e-02

Conversion electron

1.25616e-01

2.610e-02

Conversion electron

1.29977e-01

1.541e-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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