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Radionuclide Dosimetric Data Sheets
Gallium-67
Summary data
General
Classification
Isotope: Ga-67
Atomic number (Z): 31
Mass number (A): 67
Neutron number (N): 36
Radioactive decay
Decay modes: Electron capture
Half-life: 3.261 [d]
Decay constant: 2.4600e-06 [1/s]
Daughters: Zn-67 (100.0%)
Radioactive daughters: None
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.03633 [MeV]
Mean photon energy: 0.15954 [MeV]
Air kerma rate constant, Γ10: 5.273e-18 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 5.273e-18 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 5.821e-15 [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-:
5.821e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 2.556e-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/Ga-67 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/Ga-67 Summary 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/Ga-67 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.63544e-05 |
6.304e+00 |
X-ray |
|
8.57190e-03 |
1.664e-01 |
X-ray |
|
8.59639e-03 |
3.241e-01 |
X-ray |
|
9.52867e-03 |
2.058e-02 |
X-ray |
|
9.53181e-03 |
4.024e-02 |
X-ray |
|
9.12660e-02 |
3.160e-02 |
Gamma |
|
9.33110e-02 |
3.920e-01 |
Gamma |
|
1.84577e-01 |
2.120e-01 |
Gamma |
|
2.08951e-01 |
2.400e-02 |
Gamma |
|
3.00219e-01 |
1.680e-01 |
Gamma |
|
3.93529e-01 |
4.680e-02 |
Gamma |
|
5.67906e-05 |
2.281e+00 |
Auger electron |
|
8.98179e-05 |
3.170e-01 |
Auger electron |
|
9.29483e-04 |
1.716e+00 |
Auger electron |
|
9.76176e-04 |
1.354e-02 |
Auger electron |
|
7.48697e-03 |
4.966e-01 |
Auger electron |
|
8.45550e-03 |
1.268e-01 |
Auger electron |
|
8.36886e-02 |
2.942e-01 |
Conversion electron |
|
9.21266e-02 |
2.644e-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
MIRDsoft MIRDspecs version 20250101 (www.mirdsoft.org)
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