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Radionuclide Dosimetric Data Sheets
Copper-69
Summary data
General
Classification
Isotope: Cu-69
Atomic number (Z): 29
Mass number (A): 69
Neutron number (N): 40
Radioactive decay
Decay modes: β-
Half-life: 2.85 [m]
Decay constant: 4.0535e-03 [1/s]
Daughters: Zn-69 (100.0%)
Radioactive daughters: Zn-69
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.88627 [MeV]
Mean photon energy: 0.52838 [MeV]
Air kerma rate constant, Γ10: 1.885e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 1.885e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 1.420e-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-:
1.420e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 8.466e-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/Cu-69 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/Cu-69 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/Cu-69 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/Cu-69 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
5.31200e-01 |
5.967e-02 |
Gamma |
|
5.94900e-01 |
2.621e-02 |
Gamma |
|
6.49400e-01 |
2.083e-02 |
Gamma |
|
8.34400e-01 |
1.310e-01 |
Gamma |
|
9.93400e-01 |
1.147e-02 |
Gamma |
|
1.00750e+00 |
2.340e-01 |
Gamma |
|
1.18070e+00 |
2.293e-02 |
Gamma |
|
1.42980e+00 |
3.416e-02 |
Gamma |
|
3.00617e-01 |
1.794e-02 |
Beta |
|
4.71212e-01 |
6.876e-02 |
Beta |
|
5.82038e-01 |
4.186e-02 |
Beta |
|
6.60493e-01 |
2.392e-01 |
Beta |
|
7.39710e-01 |
8.770e-02 |
Beta |
|
8.80379e-01 |
2.491e-02 |
Beta |
|
1.13066e+00 |
5.082e-01 |
Beta |
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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