<= Return to MIRDspec isotope database
Radionuclide Dosimetric Data Sheets
Rubidium-83
Summary data
General
Classification
Isotope: Rb-83
Atomic number (Z): 37
Mass number (A): 83
Neutron number (N): 46
Radioactive decay
Decay modes: Electron capture
Half-life: 86.2 [d]
Decay constant: 9.3069e-08 [1/s]
Daughters: Kr-83m (74.3%), Kr-83 (25.7%)
Radioactive daughters: Kr-83m
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.0083 [MeV]
Mean photon energy: 0.49143 [MeV]
Air kerma rate constant, Γ10: 3.836e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 3.836e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 1.330e-15 [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-:
1.330e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 7.874e-14
[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/Rb-83 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/Rb-83 Summary 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/Rb-83 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.93898e-05 |
8.040e+00 |
X-ray |
|
1.57942e-03 |
1.390e-02 |
X-ray |
|
9.40510e-03 |
1.226e-02 |
Gamma |
|
1.25517e-02 |
1.644e-01 |
X-ray |
|
1.26066e-02 |
3.171e-01 |
X-ray |
|
1.40649e-02 |
2.313e-02 |
X-ray |
|
1.40730e-02 |
4.512e-02 |
X-ray |
|
5.20399e-01 |
4.470e-01 |
Gamma |
|
5.29594e-01 |
2.932e-01 |
Gamma |
|
5.52551e-01 |
1.596e-01 |
Gamma |
|
5.63798e-05 |
3.510e+00 |
Auger electron |
|
6.56681e-05 |
1.385e+00 |
Auger electron |
|
1.03219e-04 |
3.470e-01 |
Auger electron |
|
1.40960e-03 |
1.191e+00 |
Auger electron |
|
1.51616e-03 |
8.665e-02 |
Auger electron |
|
7.50280e-03 |
1.461e-01 |
Conversion electron |
|
7.67680e-03 |
1.653e-02 |
Conversion electron |
|
7.73170e-03 |
1.269e-02 |
Conversion electron |
|
9.19814e-03 |
2.901e-02 |
Conversion electron |
|
1.07980e-02 |
2.345e-01 |
Auger electron |
|
1.23371e-02 |
7.442e-02 |
Auger 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)
<= Return to MIRDspec isotope database
