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Radionuclide Dosimetric Data Sheets
Rhenium-190
Summary data
General
Classification
Isotope: Re-190
Atomic number (Z): 75
Mass number (A): 190
Neutron number (N): 115
Radioactive decay
Decay modes: β-
Half-life: 3.1 [m]
Decay constant: 3.7266e-03 [1/s]
Daughters: Os-190 (100.0%)
Radioactive daughters: None
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.68627 [MeV]
Mean photon energy: 1.33758 [MeV]
Air kerma rate constant, Γ10: 5.110e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 5.110e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 1.100e-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-:
1.100e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 2.143e-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-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/Re-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/Re-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/Re-190 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
4.40953e-05 |
2.081e+00 |
X-ray |
|
8.90608e-03 |
2.695e-02 |
X-ray |
|
1.03795e-02 |
2.396e-02 |
X-ray |
|
6.16420e-02 |
4.102e-02 |
X-ray |
|
6.31890e-02 |
7.066e-02 |
X-ray |
|
7.16144e-02 |
1.483e-02 |
X-ray |
|
1.86680e-01 |
4.840e-01 |
Gamma |
|
1.98080e-01 |
1.672e-02 |
Gamma |
|
2.07910e-01 |
1.012e-02 |
Gamma |
|
2.23810e-01 |
2.596e-01 |
Gamma |
|
3.61090e-01 |
1.452e-01 |
Gamma |
|
3.71240e-01 |
2.156e-01 |
Gamma |
|
3.97360e-01 |
7.920e-02 |
Gamma |
|
4.07220e-01 |
5.544e-02 |
Gamma |
|
4.07220e-01 |
9.680e-02 |
Gamma |
|
4.31620e-01 |
1.672e-01 |
Gamma |
|
5.57950e-01 |
2.816e-01 |
Gamma |
|
5.69300e-01 |
2.508e-01 |
Gamma |
|
6.05140e-01 |
1.628e-01 |
Gamma |
|
6.30910e-01 |
1.760e-01 |
Gamma |
|
7.68570e-01 |
2.684e-02 |
Gamma |
|
8.28990e-01 |
2.288e-01 |
Gamma |
|
8.39140e-01 |
7.920e-02 |
Gamma |
|
1.20024e+00 |
3.168e-02 |
Gamma |
|
1.38695e+00 |
1.320e-02 |
Gamma |
|
3.88624e-01 |
1.100e-02 |
Beta |
|
6.38583e-01 |
9.800e-01 |
Beta |
|
2.95804e-05 |
4.043e-01 |
Auger electron |
|
1.63829e-04 |
6.929e-01 |
Auger electron |
|
3.35431e-04 |
1.381e-01 |
Auger electron |
|
3.42717e-04 |
2.779e-02 |
Auger electron |
|
7.58989e-04 |
2.912e-02 |
Auger electron |
|
1.58445e-03 |
3.302e-01 |
Auger electron |
|
1.78286e-03 |
2.591e-02 |
Auger electron |
|
6.94108e-03 |
1.034e-01 |
Auger electron |
|
8.84204e-03 |
4.113e-02 |
Auger electron |
|
1.12614e-01 |
9.827e-02 |
Conversion electron |
|
1.49744e-01 |
1.080e-02 |
Conversion electron |
|
1.73730e-01 |
1.158e-02 |
Conversion electron |
|
1.74256e-01 |
4.120e-02 |
Conversion electron |
|
1.75803e-01 |
2.837e-02 |
Conversion electron |
|
1.84228e-01 |
2.054e-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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