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Radionuclide Dosimetric Data Sheets

Gold-190

Summary data

General

Classification

Isotope:  Au-190
Atomic number (Z):  79
Mass number (A):  190
Neutron number (N):  111

Radioactive decay

Decay modes:  β+, Electron capture
Half-life:  42.8 [m]
Decay constant:  2.6992e-04 [1/s]
Daughters:  Pt-190 (100.0%)
Radioactive daughters:  Pt-190

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  0.21292 [MeV]
Mean photon energy:  2.38071 [MeV]
Air kerma rate constant, Γ10:  7.530e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair:  8.051e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp:  3.411e-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-:  3.411e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp:  3.814e-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/Au-190 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/Au-190 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/Au-190 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/Au-190 Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

1.01424e-05

1.324e+01

X-ray

2.06874e-03

3.752e-02

X-ray

9.35457e-03

1.302e-02

X-ray

9.43805e-03

1.147e-01

X-ray

1.11006e-02

7.338e-02

X-ray

1.12510e-02

2.122e-02

X-ray

1.29799e-02

1.432e-02

X-ray

6.53020e-02

2.157e-01

X-ray

6.70480e-02

3.685e-01

X-ray

7.55931e-02

4.037e-02

X-ray

7.59780e-02

7.807e-02

X-ray

7.81028e-02

1.835e-02

X-ray

2.95820e-01

7.000e-01

Gamma

3.01820e-01

2.310e-01

Gamma

3.18960e-01

4.620e-02

Gamma

3.23170e-01

1.015e-02

Gamma

4.41250e-01

3.682e-02

Gamma

5.11000e-01

2.693e-01

Annihilation photon

5.97680e-01

9.310e-02

Gamma

6.05210e-01

1.477e-02

Gamma

6.16240e-01

1.540e-02

Gamma

6.20890e-01

2.380e-02

Gamma

6.25100e-01

2.940e-02

Gamma

9.07300e-01

1.435e-02

Gamma

1.05770e+00

3.430e-02

Gamma

1.13930e+00

1.428e-02

Gamma

1.39534e+00

2.240e-02

Gamma

1.44130e+00

3.920e-02

Gamma

1.78490e+00

2.037e-02

Gamma

1.92040e+00

1.050e-02

Gamma

2.08730e+00

1.120e-02

Gamma

2.09720e+00

2.170e-02

Gamma

2.21280e+00

1.470e-02

Gamma

2.38260e+00

5.040e-02

Gamma

2.41640e+00

4.760e-02

Gamma

2.45200e+00

1.260e-02

Gamma

2.46950e+00

1.190e-02

Gamma

2.49760e+00

1.267e-02

Gamma

2.65820e+00

2.380e-02

Gamma

2.68510e+00

1.344e-02

Gamma

2.75330e+00

4.200e-02

Gamma

2.95980e+00

1.050e-02

Gamma

2.98090e+00

1.120e-02

Gamma

1.27335e+00

2.994e-02

Positron

1.40959e+00

7.285e-02

Positron

3.74685e-05

2.819e+00

Auger electron

5.59254e-05

4.555e+00

Auger electron

1.71222e-04

2.399e+00

Auger electron

4.06057e-04

4.307e-01

Auger electron

7.23080e-04

1.461e-01

Auger electron

1.69626e-03

1.183e+00

Auger electron

1.90688e-03

1.126e-01

Auger electron

7.25728e-03

3.611e-01

Auger electron

9.30665e-03

1.489e-01

Auger electron

1.13842e-02

1.498e-02

Auger electron

5.27836e-02

2.015e-02

Auger electron

6.32891e-02

1.079e-02

Auger electron

2.17205e-01

4.450e-02

Conversion electron

2.23205e-01

1.397e-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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