<= Return to MIRDspec isotope database
Radionuclide Dosimetric Data Sheets
Palladium-97
Summary data
General
Classification
Isotope: Pd-97
Atomic number (Z): 46
Mass number (A): 97
Neutron number (N): 51
Radioactive decay
Decay modes: β+, Electron capture
Half-life: 3.1 [m]
Decay constant: 3.7266e-03 [1/s]
Daughters: Rh-97 (98.8%), Rh-97m (1.16%)
Radioactive daughters: Rh-97, Rh-97m
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.75244 [MeV]
Mean photon energy: 2.38128 [MeV]
Air kerma rate constant, Γ10: 5.992e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 8.480e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 1.206e-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-:
1.206e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 3.815e-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/Pd-97 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/Pd-97 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/Pd-97 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/Pd-97 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
9.95809e-06 |
3.162e+00 |
X-ray |
|
2.00395e-02 |
7.576e-02 |
X-ray |
|
2.01865e-02 |
1.434e-01 |
X-ray |
|
2.26708e-02 |
1.220e-02 |
X-ray |
|
2.26963e-02 |
2.372e-02 |
X-ray |
|
2.09300e-01 |
2.224e-02 |
Gamma |
|
2.65300e-01 |
5.603e-01 |
Gamma |
|
3.54400e-01 |
1.199e-02 |
Gamma |
|
4.75200e-01 |
2.673e-01 |
Gamma |
|
5.11000e-01 |
1.286e+00 |
Annihilation photon |
|
5.83000e-01 |
1.362e-02 |
Gamma |
|
5.90700e-01 |
2.017e-02 |
Gamma |
|
6.58500e-01 |
1.496e-02 |
Gamma |
|
6.85500e-01 |
1.754e-02 |
Gamma |
|
7.45700e-01 |
1.160e-02 |
Gamma |
|
7.92700e-01 |
1.384e-01 |
Gamma |
|
8.62700e-01 |
1.009e-02 |
Gamma |
|
9.33700e-01 |
2.465e-02 |
Gamma |
|
9.40300e-01 |
3.754e-02 |
Gamma |
|
1.03440e+00 |
1.065e-02 |
Gamma |
|
1.05360e+00 |
3.530e-02 |
Gamma |
|
1.05540e+00 |
5.659e-02 |
Gamma |
|
1.05850e+00 |
2.689e-02 |
Gamma |
|
1.15030e+00 |
1.065e-02 |
Gamma |
|
1.17180e+00 |
3.698e-02 |
Gamma |
|
1.23780e+00 |
2.034e-02 |
Gamma |
|
1.28500e+00 |
1.401e-02 |
Gamma |
|
1.35410e+00 |
1.322e-02 |
Gamma |
|
1.48050e+00 |
1.244e-02 |
Gamma |
|
1.49420e+00 |
6.107e-02 |
Gamma |
|
1.51980e+00 |
2.241e-02 |
Gamma |
|
1.59290e+00 |
1.608e-02 |
Gamma |
|
1.63870e+00 |
3.754e-02 |
Gamma |
|
1.64110e+00 |
3.306e-02 |
Gamma |
|
1.75960e+00 |
6.780e-02 |
Gamma |
|
1.79720e+00 |
1.132e-02 |
Gamma |
|
1.84680e+00 |
2.858e-02 |
Gamma |
|
1.99390e+00 |
1.188e-02 |
Gamma |
|
2.02950e+00 |
2.802e-02 |
Gamma |
|
2.42840e+00 |
1.126e-02 |
Gamma |
|
2.68440e+00 |
1.160e-02 |
Gamma |
|
2.97460e+00 |
1.121e-02 |
Gamma |
|
6.53963e-01 |
2.199e-02 |
Positron |
|
6.83530e-01 |
1.330e-02 |
Positron |
|
7.36093e-01 |
7.263e-02 |
Positron |
|
7.89994e-01 |
2.332e-02 |
Positron |
|
8.30060e-01 |
2.148e-02 |
Positron |
|
8.97209e-01 |
7.263e-02 |
Positron |
|
1.00336e+00 |
1.534e-02 |
Positron |
|
1.05565e+00 |
3.785e-02 |
Positron |
|
1.15600e+00 |
2.148e-02 |
Positron |
|
1.22175e+00 |
5.626e-02 |
Positron |
|
1.49536e+00 |
1.074e-01 |
Positron |
|
1.59449e+00 |
1.453e-01 |
Positron |
|
3.35217e-05 |
1.251e+00 |
Auger electron |
|
1.10581e-04 |
7.038e-02 |
Auger electron |
|
1.18198e-04 |
3.053e-01 |
Auger electron |
|
2.60359e-04 |
7.479e-01 |
Auger electron |
|
2.26666e-03 |
2.892e-01 |
Auger electron |
|
2.60785e-03 |
5.364e-02 |
Auger electron |
|
1.69094e-02 |
4.363e-02 |
Auger electron |
|
1.95952e-02 |
1.708e-02 |
Auger electron |
|
2.42109e-01 |
1.228e-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)
<= Return to MIRDspec isotope database
