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Radionuclide Dosimetric Data Sheets

Lead-196

Summary data

General

Classification

Isotope:  Pb-196
Atomic number (Z):  82
Mass number (A):  196
Neutron number (N):  114

Radioactive decay

Decay modes:  β+, Electron capture
Half-life:  37.0 [m]
Decay constant:  3.1223e-04 [1/s]
Daughters:  Tl-196 (100.0%)
Radioactive daughters:  Tl-196

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  0.09688 [MeV]
Mean photon energy:  0.494 [MeV]
Air kerma rate constant, Γ10:  3.707e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair:  3.718e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp:  1.552e-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-:  1.552e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp:  7.915e-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/Pb-196 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/Pb-196 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/Pb-196 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/Pb-196 Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

2.07376e-05

1.794e+01

X-ray

2.30035e-03

6.311e-02

X-ray

8.98130e-03

1.174e-02

X-ray

1.01663e-02

2.052e-02

X-ray

1.02661e-02

1.807e-01

X-ray

1.22523e-02

1.169e-01

X-ray

1.22749e-02

3.443e-02

X-ray

1.43396e-02

2.362e-02

X-ray

7.10519e-02

3.149e-01

X-ray

7.31380e-02

5.313e-01

X-ray

8.23884e-02

5.894e-02

X-ray

8.28534e-02

1.141e-01

X-ray

8.50837e-02

1.397e-02

X-ray

8.51979e-02

2.741e-02

X-ray

1.91700e-01

1.107e-01

Gamma

2.40000e-01

8.100e-02

Gamma

2.53100e-01

2.700e-01

Gamma

3.02200e-01

3.780e-02

Gamma

3.66500e-01

1.107e-01

Gamma

4.93900e-01

5.670e-02

Gamma

5.02100e-01

2.646e-01

Gamma

5.15200e-01

1.350e-02

Gamma

7.01000e-01

1.890e-02

Gamma

7.55200e-01

1.890e-02

Gamma

9.54100e-01

4.050e-02

Gamma

4.30144e-05

3.938e+00

Auger electron

7.57406e-05

5.878e+00

Auger electron

1.74499e-04

3.081e+00

Auger electron

4.17572e-04

6.709e-01

Auger electron

9.04053e-04

2.079e-01

Auger electron

1.85895e-03

1.623e+00

Auger electron

2.10444e-03

1.911e-01

Auger electron

7.84577e-03

4.838e-01

Auger electron

1.01368e-02

2.105e-01

Auger electron

1.24553e-02

2.201e-02

Auger electron

2.72020e-02

1.410e-02

Conversion electron

5.72241e-02

2.729e-02

Auger electron

6.88063e-02

1.485e-02

Auger electron

8.92020e-02

1.178e-02

Conversion electron

1.05902e-01

2.068e-02

Conversion electron

1.54202e-01

3.967e-02

Conversion electron

1.67302e-01

1.462e-01

Conversion electron

1.76954e-01

1.322e-02

Conversion electron

2.16402e-01

1.258e-02

Conversion electron

2.37770e-01

2.233e-02

Conversion electron

2.80702e-01

2.189e-02

Conversion electron

4.16302e-01

2.267e-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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