<= Return to MIRDspec isotope database
Radionuclide Dosimetric Data Sheets
Ruthenium-107
Summary data
General
Classification
Isotope: Ru-107
Atomic number (Z): 44
Mass number (A): 107
Neutron number (N): 63
Radioactive decay
Decay modes: β-
Half-life: 3.75 [m]
Decay constant: 3.0807e-03 [1/s]
Daughters: Rh-107 (100.0%)
Radioactive daughters: Rh-107
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 1.07035 [MeV]
Mean photon energy: 0.34532 [MeV]
Air kerma rate constant, Γ10: 1.241e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 1.241e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 1.715e-13 [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-:
1.715e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 5.533e-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/Ru-107 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/Ru-107 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/Ru-107 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/Ru-107 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
9.95791e-06 |
1.847e-01 |
X-ray |
|
1.94050e-01 |
9.858e-02 |
Gamma |
|
2.68360e-01 |
1.219e-02 |
Gamma |
|
3.74280e-01 |
2.968e-02 |
Gamma |
|
4.05800e-01 |
2.120e-02 |
Gamma |
|
4.62610e-01 |
3.657e-02 |
Gamma |
|
4.89050e-01 |
1.325e-02 |
Gamma |
|
5.79360e-01 |
2.438e-02 |
Gamma |
|
8.47930e-01 |
5.300e-02 |
Gamma |
|
9.12000e-01 |
1.548e-02 |
Gamma |
|
1.04195e+00 |
2.544e-02 |
Gamma |
|
1.27220e+00 |
2.544e-02 |
Gamma |
|
6.24847e-01 |
3.706e-02 |
Beta |
|
6.40155e-01 |
6.611e-02 |
Beta |
|
7.44034e-01 |
1.052e-01 |
Beta |
|
9.08446e-01 |
1.703e-02 |
Beta |
|
1.22693e+00 |
7.012e-01 |
Beta |
|
3.34980e-05 |
7.314e-02 |
Auger electron |
|
1.17556e-04 |
1.772e-02 |
Auger electron |
|
2.60498e-04 |
4.363e-02 |
Auger electron |
|
2.26914e-03 |
1.647e-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
