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Radionuclide Dosimetric Data Sheets
Technetium-96
Summary data
General
Classification
Isotope: Tc-96
Atomic number (Z): 43
Mass number (A): 96
Neutron number (N): 53
Radioactive decay
Decay modes: Electron capture
Half-life: 4.28 [d]
Decay constant: 1.8744e-06 [1/s]
Daughters: Mo-96 (100.0%)
Radioactive daughters: None
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.00887 [MeV]
Mean photon energy: 2.5032 [MeV]
Air kerma rate constant, Γ10: 1.030e-16 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 1.030e-16 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 1.421e-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-:
1.421e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 4.011e-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/Tc-96 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/Tc-96 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/Tc-96 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
6.84800e-06 |
1.012e+01 |
X-ray |
|
2.28400e-03 |
2.086e-02 |
X-ray |
|
1.73355e-02 |
1.911e-01 |
X-ray |
|
1.74440e-02 |
3.641e-01 |
X-ray |
|
1.95554e-02 |
2.967e-02 |
X-ray |
|
1.95734e-02 |
5.775e-02 |
X-ray |
|
1.99225e-02 |
1.056e-02 |
X-ray |
|
3.14270e-01 |
2.434e-02 |
Gamma |
|
3.16500e-01 |
1.397e-02 |
Gamma |
|
7.78220e-01 |
9.976e-01 |
Gamma |
|
8.12540e-01 |
8.200e-01 |
Gamma |
|
8.49860e-01 |
9.757e-01 |
Gamma |
|
1.09130e+00 |
1.097e-02 |
Gamma |
|
1.12685e+00 |
1.516e-01 |
Gamma |
|
2.73590e-05 |
4.690e+00 |
Auger electron |
|
1.06596e-04 |
8.917e-01 |
Auger electron |
|
1.07076e-04 |
2.027e-01 |
Auger electron |
|
1.76261e-04 |
2.136e+00 |
Auger electron |
|
2.18247e-04 |
2.048e-02 |
Auger electron |
|
1.95206e-03 |
8.491e-01 |
Auger electron |
|
2.20144e-03 |
1.203e-01 |
Auger electron |
|
1.47064e-02 |
1.456e-01 |
Auger electron |
|
1.69714e-02 |
5.395e-02 |
Auger 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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