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Radionuclide Dosimetric Data Sheets
Rhenium-188
Summary data
General
Classification
Isotope: Re-188
Atomic number (Z): 75
Mass number (A): 188
Neutron number (N): 113
Radioactive decay
Decay modes: β-
Half-life: 17.0 [h]
Decay constant: 1.1323e-05 [1/s]
Daughters: Os-188 (100.0%)
Radioactive daughters: None
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.77934 [MeV]
Mean photon energy: 0.06125 [MeV]
Air kerma rate constant, Γ10: 3.047e-18 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 3.047e-18 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 1.249e-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-:
1.249e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 9.813e-15
[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-188 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-188 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-188 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-188 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
4.40960e-05 |
9.604e-01 |
X-ray |
|
8.90609e-03 |
1.201e-02 |
X-ray |
|
1.03795e-02 |
1.196e-02 |
X-ray |
|
6.16420e-02 |
1.419e-02 |
X-ray |
|
6.31890e-02 |
2.445e-02 |
X-ray |
|
1.55041e-01 |
1.561e-01 |
Gamma |
|
4.77992e-01 |
1.081e-02 |
Gamma |
|
6.32983e-01 |
1.374e-02 |
Gamma |
|
5.27639e-01 |
1.751e-02 |
Beta |
|
7.28745e-01 |
2.634e-01 |
Beta |
|
7.95242e-01 |
7.010e-01 |
Beta |
|
2.95685e-05 |
1.867e-01 |
Auger electron |
|
1.63934e-04 |
3.202e-01 |
Auger electron |
|
3.36805e-04 |
6.416e-02 |
Auger electron |
|
3.42910e-04 |
1.286e-02 |
Auger electron |
|
8.33991e-04 |
1.171e-02 |
Auger electron |
|
1.58582e-03 |
1.520e-01 |
Auger electron |
|
1.78520e-03 |
1.195e-02 |
Auger electron |
|
6.96773e-03 |
4.770e-02 |
Auger electron |
|
8.86985e-03 |
1.898e-02 |
Auger electron |
|
8.09750e-02 |
5.057e-02 |
Conversion electron |
|
1.42617e-01 |
3.017e-02 |
Conversion electron |
|
1.44164e-01 |
2.246e-02 |
Conversion electron |
|
1.52589e-01 |
1.488e-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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