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Radionuclide Dosimetric Data Sheets

Rhenium-184

Isotope:  Re-184
Atomic number (Z):  75
Mass number (A):  184
Neutron number (N):  109

Decay modes:  β+, Electron capture
Half-life:  38.0 [d]
Decay constant:  2.1112e-07 [1/s]
Daughters:  W-184 (100.0%)
Radioactive daughters:  None

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  0.0562 [MeV]
Mean photon energy:  0.89185 [MeV]
Air kerma rate constant, Γ₁₀:  3.355e-17 [Gy·m²/Bq·s]
Air kerma coefficient, K_air:  3.355e-17 [Gy·m²/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δ_wp:  9.004e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for alphas, Δ_α:  0.000e+00 [Gy·kg/Bq·s]
Equilibrium dose constant for betas/electrons, Δ_β-,β+,e-:  9.004e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δ_p:  1.429e-13 [Gy·kg/Bq·s]

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-184 DPK.csv

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-184 Summary Spectrum.csv

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-184 Beta Spectrum.csv

 

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-184 Summary Spectrum.csv

 

Energy [MeV]	Yield [#/nt] if > 0.01	Radiation type
3.12692e-05	1.180e+01	X-ray
1.77684e-03	4.365e-02	X-ray
8.32493e-03	1.620e-02	X-ray
8.38982e-03	1.429e-01	X-ray
9.69189e-03	1.017e-01	X-ray
9.95867e-03	2.535e-02	X-ray
1.13129e-02	1.892e-02	X-ray
5.81161e-02	2.548e-01	X-ray
5.94830e-02	4.424e-01	X-ray
6.71212e-02	4.757e-02	X-ray
6.74178e-02	9.193e-02	X-ray
6.92004e-02	1.082e-02	X-ray
6.92695e-02	2.099e-02	X-ray
1.11207e-01	1.714e-01	Gamma
2.52845e-01	3.017e-02	Gamma
6.41915e-01	1.936e-02	Gamma
7.92067e-01	3.746e-01	Gamma
8.94760e-01	1.559e-01	Gamma
9.03282e-01	3.788e-01	Gamma
2.53657e-05	2.338e+00	Auger electron
1.61384e-04	4.010e+00	Auger electron
3.14518e-04	1.390e-01	Auger electron
3.18052e-04	7.805e-01	Auger electron
7.03941e-04	1.722e-01	Auger electron
1.47223e-03	1.863e+00	Auger electron
1.65759e-03	1.197e-01	Auger electron
6.52530e-03	5.859e-01	Auger electron
8.28148e-03	2.248e-01	Auger electron
1.00669e-02	2.150e-02	Auger electron
4.15180e-02	1.227e-01	Conversion electron
4.71853e-02	2.674e-02	Auger electron
5.63739e-02	1.401e-02	Auger electron
9.91300e-02	1.318e-02	Conversion electron
9.96340e-02	1.241e-01	Conversion electron
1.01001e-01	1.075e-01	Conversion electron
1.08936e-01	6.214e-02	Conversion electron
1.11207e-01	1.730e-02	Conversion electron

 

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

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

 

 

 

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