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Radionuclide Dosimetric Data Sheets
Rubidium-82m
Summary data
General
Classification
Isotope: Rb-82m
Atomic number (Z): 37
Mass number (A): 82
Neutron number (N): 45
Radioactive decay
Decay modes: β+, Electron capture
Half-life: 6.472 [h]
Decay constant: 2.9750e-05 [1/s]
Daughters: Kr-82 (100.0%)
Radioactive daughters: None
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.09352 [MeV]
Mean photon energy: 2.92115 [MeV]
Air kerma rate constant, Γ10: 1.130e-16 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 1.213e-16 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 1.498e-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-:
1.498e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 4.680e-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/Rb-82m 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-82m 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/Rb-82m 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/Rb-82m Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
1.93810e-05 |
5.337e+00 |
X-ray |
|
1.25517e-02 |
1.305e-01 |
X-ray |
|
1.26066e-02 |
2.517e-01 |
X-ray |
|
1.40649e-02 |
1.837e-02 |
X-ray |
|
1.40730e-02 |
3.582e-02 |
X-ray |
|
1.83270e-01 |
2.127e-02 |
Gamma |
|
2.21460e-01 |
2.068e-02 |
Gamma |
|
2.73480e-01 |
1.038e-02 |
Gamma |
|
4.55280e-01 |
1.266e-02 |
Gamma |
|
5.11000e-01 |
4.318e-01 |
Annihilation photon |
|
5.54350e-01 |
6.245e-01 |
Gamma |
|
5.83800e-01 |
1.333e-02 |
Gamma |
|
6.06370e-01 |
2.008e-02 |
Gamma |
|
6.19110e-01 |
3.798e-01 |
Gamma |
|
6.98370e-01 |
2.633e-01 |
Gamma |
|
7.76520e-01 |
8.439e-01 |
Gamma |
|
8.27830e-01 |
2.101e-01 |
Gamma |
|
1.00759e+00 |
7.173e-02 |
Gamma |
|
1.04408e+00 |
3.207e-01 |
Gamma |
|
1.08129e+00 |
1.308e-02 |
Gamma |
|
1.31743e+00 |
2.371e-01 |
Gamma |
|
1.47488e+00 |
1.553e-01 |
Gamma |
|
1.65037e+00 |
1.181e-02 |
Gamma |
|
3.48390e-01 |
1.826e-01 |
Positron |
|
5.62900e-05 |
2.334e+00 |
Auger electron |
|
6.55323e-05 |
9.177e-01 |
Auger electron |
|
9.99362e-05 |
1.739e-01 |
Auger electron |
|
1.40735e-03 |
8.145e-01 |
Auger electron |
|
1.51223e-03 |
5.888e-02 |
Auger electron |
|
1.07980e-02 |
1.861e-01 |
Auger electron |
|
1.23371e-02 |
5.908e-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)
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