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Radionuclide Dosimetric Data Sheets
Rhodium-96m
Summary data
General
Classification
Isotope: Rh-96m
Atomic number (Z): 45
Mass number (A): 96
Neutron number (N): 51
Radioactive decay
Decay modes: β+, Electron capture, Internal
transition
Half-life: 1.51 [m]
Decay constant: 7.6506e-03 [1/s]
Daughters: Rh-96 (60.0%), Ru-96 (40.0%)
Radioactive daughters: Rh-96
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.56729 [MeV]
Mean photon energy: 1.28185 [MeV]
Air kerma rate constant, Γ10: 3.475e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 4.850e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 9.089e-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-:
9.089e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 2.054e-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/Rh-96m 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/Rh-96m 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/Rh-96m 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/Rh-96m Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
8.90921e-06 |
4.058e-01 |
X-ray |
|
9.95693e-06 |
4.832e+00 |
X-ray |
|
2.68654e-03 |
1.495e-02 |
X-ray |
|
1.92483e-02 |
1.727e-02 |
X-ray |
|
2.00395e-02 |
7.997e-02 |
X-ray |
|
2.01865e-02 |
1.514e-01 |
X-ray |
|
2.26708e-02 |
1.287e-02 |
X-ray |
|
2.26963e-02 |
2.503e-02 |
X-ray |
|
5.11000e-01 |
7.103e-01 |
Annihilation photon |
|
6.85470e-01 |
3.603e-02 |
Gamma |
|
8.08600e-01 |
2.937e-02 |
Gamma |
|
8.32520e-01 |
3.916e-01 |
Gamma |
|
1.09820e+00 |
8.889e-02 |
Gamma |
|
1.45190e+00 |
1.684e-02 |
Gamma |
|
1.69230e+00 |
6.970e-02 |
Gamma |
|
1.74310e+00 |
1.606e-02 |
Gamma |
|
1.74310e+00 |
1.606e-02 |
Gamma |
|
2.16380e+00 |
2.585e-02 |
Gamma |
|
2.25760e+00 |
1.841e-02 |
Gamma |
|
9.53083e-01 |
1.218e-02 |
Positron |
|
1.04605e+00 |
1.405e-02 |
Positron |
|
1.08948e+00 |
2.623e-02 |
Positron |
|
1.20890e+00 |
2.998e-02 |
Positron |
|
1.28547e+00 |
1.686e-02 |
Positron |
|
1.30949e+00 |
5.808e-02 |
Positron |
|
1.42257e+00 |
1.499e-02 |
Positron |
|
1.58951e+00 |
5.059e-02 |
Positron |
|
1.78570e+00 |
1.780e-02 |
Positron |
|
2.11369e+00 |
9.087e-02 |
Positron |
|
3.14530e-05 |
1.683e-01 |
Auger electron |
|
3.34962e-05 |
1.915e+00 |
Auger electron |
|
1.11042e-04 |
1.189e-01 |
Auger electron |
|
1.14220e-04 |
3.806e-02 |
Auger electron |
|
1.17465e-04 |
4.677e-01 |
Auger electron |
|
2.31913e-04 |
9.320e-02 |
Auger electron |
|
2.60485e-04 |
1.142e+00 |
Auger electron |
|
2.15879e-03 |
3.637e-02 |
Auger electron |
|
2.26255e-03 |
4.337e-01 |
Auger electron |
|
2.60390e-03 |
8.041e-02 |
Auger electron |
|
1.69094e-02 |
4.605e-02 |
Auger electron |
|
1.95952e-02 |
1.803e-02 |
Auger electron |
|
2.88090e-02 |
3.428e-01 |
Conversion electron |
|
4.86088e-02 |
9.335e-02 |
Conversion electron |
|
4.88485e-02 |
1.482e-02 |
Conversion electron |
|
4.89955e-02 |
9.607e-02 |
Conversion electron |
|
5.15053e-02 |
4.280e-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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