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Radionuclide Dosimetric Data Sheets
Rhenium-180
Summary data
General
Classification
Isotope: Re-180
Atomic number (Z): 75
Mass number (A): 180
Neutron number (N): 105
Radioactive decay
Decay modes: β+, Electron capture
Half-life: 2.44 [m]
Decay constant: 4.7346e-03 [1/s]
Daughters: W-180 (100.0%)
Radioactive daughters: None
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.17201 [MeV]
Mean photon energy: 1.20279 [MeV]
Air kerma rate constant, Γ10: 4.068e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 4.468e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 2.756e-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-:
2.756e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 1.927e-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-180 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-180 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-180 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-180 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
3.12893e-05 |
1.348e+01 |
X-ray |
|
1.77722e-03 |
4.987e-02 |
X-ray |
|
7.40949e-03 |
1.078e-02 |
X-ray |
|
8.32493e-03 |
1.830e-02 |
X-ray |
|
8.38982e-03 |
1.615e-01 |
X-ray |
|
9.69189e-03 |
1.258e-01 |
X-ray |
|
9.95867e-03 |
2.863e-02 |
X-ray |
|
1.13129e-02 |
2.342e-02 |
X-ray |
|
5.81161e-02 |
2.605e-01 |
X-ray |
|
5.94830e-02 |
4.522e-01 |
X-ray |
|
6.71212e-02 |
4.862e-02 |
X-ray |
|
6.74178e-02 |
9.396e-02 |
X-ray |
|
6.92004e-02 |
1.106e-02 |
X-ray |
|
6.92695e-02 |
2.146e-02 |
X-ray |
|
1.03528e-01 |
2.223e-01 |
Gamma |
|
5.11000e-01 |
2.065e-01 |
Annihilation photon |
|
7.49342e-01 |
1.116e-02 |
Gamma |
|
8.25360e-01 |
9.900e-02 |
Gamma |
|
9.02795e-01 |
9.000e-01 |
Gamma |
|
8.01559e-01 |
8.135e-02 |
Positron |
|
1.20573e+00 |
2.009e-02 |
Positron |
|
2.53559e-05 |
2.667e+00 |
Auger electron |
|
1.61450e-04 |
4.584e+00 |
Auger electron |
|
3.13981e-04 |
1.586e-01 |
Auger electron |
|
3.18172e-04 |
8.918e-01 |
Auger electron |
|
7.45659e-04 |
1.717e-01 |
Auger electron |
|
1.47302e-03 |
2.127e+00 |
Auger electron |
|
1.65889e-03 |
1.369e-01 |
Auger electron |
|
6.32900e-03 |
1.602e-02 |
Conversion electron |
|
6.53786e-03 |
6.747e-01 |
Auger electron |
|
8.29412e-03 |
2.589e-01 |
Auger electron |
|
1.00793e-02 |
2.476e-02 |
Auger electron |
|
3.38390e-02 |
1.828e-01 |
Conversion electron |
|
4.71853e-02 |
2.733e-02 |
Auger electron |
|
5.63739e-02 |
1.432e-02 |
Auger electron |
|
9.14510e-02 |
1.989e-02 |
Conversion electron |
|
9.19550e-02 |
2.236e-01 |
Conversion electron |
|
9.33220e-02 |
1.985e-01 |
Conversion electron |
|
1.01257e-01 |
1.123e-01 |
Conversion electron |
|
1.03528e-01 |
3.122e-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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