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Radionuclide Dosimetric Data Sheets
Rhenium-190m
Summary data
General
Classification
Isotope: Re-190m
Atomic number (Z): 75
Mass number (A): 190
Neutron number (N): 115
Radioactive decay
Decay modes: β-, Internal transition
Half-life: 3.2 [h]
Decay constant: 6.0169e-05 [1/s]
Daughters: Re-190 (45.6%), Os-190 (54.4%)
Radioactive daughters: Re-190
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.44561 [MeV]
Mean photon energy: 0.92573 [MeV]
Air kerma rate constant, Γ10: 3.930e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 3.930e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 7.139e-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-:
7.139e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 1.483e-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/Re-190m 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/Re-190m 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/Re-190m 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/Re-190m Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
3.75801e-05 |
6.341e+00 |
X-ray |
|
4.40942e-05 |
1.317e+00 |
X-ray |
|
1.84673e-03 |
2.549e-02 |
X-ray |
|
8.57621e-03 |
1.006e-02 |
X-ray |
|
8.64531e-03 |
8.874e-02 |
X-ray |
|
8.90608e-03 |
1.712e-02 |
X-ray |
|
1.00312e-02 |
3.782e-02 |
X-ray |
|
1.02735e-02 |
1.590e-02 |
X-ray |
|
1.03795e-02 |
1.500e-02 |
X-ray |
|
5.98631e-02 |
1.007e-01 |
X-ray |
|
6.13181e-02 |
1.741e-01 |
X-ray |
|
6.16420e-02 |
2.662e-02 |
X-ray |
|
6.31890e-02 |
4.586e-02 |
X-ray |
|
6.91788e-02 |
1.881e-02 |
X-ray |
|
6.94956e-02 |
3.635e-02 |
X-ray |
|
1.19120e-01 |
1.111e-01 |
Gamma |
|
1.86680e-01 |
2.778e-01 |
Gamma |
|
2.00000e-01 |
1.268e-02 |
Gamma |
|
2.82930e-01 |
2.234e-02 |
Gamma |
|
2.94750e-01 |
1.288e-02 |
Gamma |
|
2.94750e-01 |
1.429e-02 |
Gamma |
|
3.15560e-01 |
1.006e-02 |
Gamma |
|
3.44090e-01 |
1.208e-02 |
Gamma |
|
3.61090e-01 |
1.208e-01 |
Gamma |
|
3.71240e-01 |
1.027e-01 |
Gamma |
|
3.90170e-01 |
4.831e-02 |
Gamma |
|
3.97360e-01 |
6.240e-02 |
Gamma |
|
4.07220e-01 |
8.252e-02 |
Gamma |
|
4.07220e-01 |
4.428e-02 |
Gamma |
|
4.47810e-01 |
2.878e-02 |
Gamma |
|
4.90760e-01 |
3.482e-02 |
Gamma |
|
5.02550e-01 |
3.381e-02 |
Gamma |
|
5.18550e-01 |
6.682e-02 |
Gamma |
|
5.57950e-01 |
1.429e-01 |
Gamma |
|
5.58700e-01 |
5.435e-02 |
Gamma |
|
5.69300e-01 |
1.369e-01 |
Gamma |
|
6.05140e-01 |
1.489e-01 |
Gamma |
|
6.16080e-01 |
1.027e-02 |
Gamma |
|
6.33000e-01 |
1.006e-02 |
Gamma |
|
6.56020e-01 |
1.067e-02 |
Gamma |
|
6.73100e-01 |
9.440e-02 |
Gamma |
|
6.90040e-01 |
1.409e-02 |
Gamma |
|
7.68570e-01 |
2.194e-02 |
Gamma |
|
9.05750e-01 |
1.308e-02 |
Gamma |
|
9.58200e-01 |
1.973e-02 |
Gamma |
|
4.22251e-01 |
3.259e-02 |
Beta |
|
4.43385e-01 |
3.738e-02 |
Beta |
|
4.46456e-01 |
1.821e-02 |
Beta |
|
5.38547e-01 |
1.533e-01 |
Beta |
|
6.02974e-01 |
7.763e-02 |
Beta |
|
6.73698e-01 |
4.409e-02 |
Beta |
|
7.02547e-01 |
1.725e-02 |
Beta |
|
8.03193e-01 |
1.438e-02 |
Beta |
|
8.06318e-01 |
1.725e-02 |
Beta |
|
8.72619e-01 |
2.319e-02 |
Beta |
|
8.90441e-01 |
6.709e-02 |
Beta |
|
1.06417e+00 |
2.300e-02 |
Beta |
|
2.73288e-05 |
1.250e+00 |
Auger electron |
|
2.95819e-05 |
2.560e-01 |
Auger electron |
|
1.62077e-04 |
2.126e+00 |
Auger electron |
|
1.63816e-04 |
4.386e-01 |
Auger electron |
|
3.23162e-04 |
4.210e-01 |
Auger electron |
|
3.28423e-04 |
7.858e-02 |
Auger electron |
|
3.35295e-04 |
8.740e-02 |
Auger electron |
|
3.42726e-04 |
1.759e-02 |
Auger electron |
|
5.28376e-04 |
1.314e-01 |
Auger electron |
|
7.48858e-04 |
1.884e-02 |
Auger electron |
|
1.52421e-03 |
1.008e+00 |
Auger electron |
|
1.58428e-03 |
2.091e-01 |
Auger electron |
|
1.71373e-03 |
7.155e-02 |
Auger electron |
|
1.78258e-03 |
1.641e-02 |
Auger electron |
|
6.61252e-03 |
3.059e-01 |
Auger electron |
|
6.93793e-03 |
6.544e-02 |
Auger electron |
|
8.43391e-03 |
1.190e-01 |
Auger electron |
|
8.83877e-03 |
2.603e-02 |
Auger electron |
|
1.02836e-02 |
1.150e-02 |
Auger electron |
|
1.90440e-02 |
1.091e-01 |
Conversion electron |
|
4.72640e-02 |
2.539e-01 |
Conversion electron |
|
4.85493e-02 |
1.024e-02 |
Auger electron |
|
7.83920e-02 |
9.876e-02 |
Conversion electron |
|
7.89070e-02 |
1.502e-02 |
Conversion electron |
|
8.03620e-02 |
1.391e-01 |
Conversion electron |
|
8.85395e-02 |
7.213e-02 |
Conversion electron |
|
9.09000e-02 |
2.126e-02 |
Conversion electron |
|
1.06612e-01 |
3.660e-02 |
Conversion electron |
|
1.07127e-01 |
1.607e-02 |
Conversion electron |
|
1.08582e-01 |
1.109e-02 |
Conversion electron |
|
1.12614e-01 |
5.640e-02 |
Conversion electron |
|
1.16760e-01 |
1.526e-02 |
Conversion electron |
|
1.74256e-01 |
2.364e-02 |
Conversion electron |
|
1.75803e-01 |
1.628e-02 |
Conversion electron |
|
1.84228e-01 |
1.179e-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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