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Radionuclide Dosimetric Data Sheets

Palladium-98

Isotope:  Pd-98
Atomic number (Z):  46
Mass number (A):  98
Neutron number (N):  52

Decay modes:  β+, Electron capture
Half-life:  17.7 [m]
Decay constant:  6.5268e-04 [1/s]
Daughters:  Rh-98 (100.0%)
Radioactive daughters:  Rh-98

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  0.04548 [MeV]
Mean photon energy:  0.41539 [MeV]
Air kerma rate constant, Γ₁₀:  2.349e-17 [Gy·m²/Bq·s]
Air kerma coefficient, K_air:  2.535e-17 [Gy·m²/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δ_wp:  7.287e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for alphas, Δ_α:  0.000e+00 [Gy·kg/Bq·s]
Equilibrium dose constant for betas/electrons, Δ_β-,β+,e-:  7.287e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δ_p:  6.655e-14 [Gy·kg/Bq·s]

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-98 DPK.csv

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-98 Summary Spectrum.csv

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-98 Beta Spectrum.csv

 

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-98 Summary Spectrum.csv

 

Energy [MeV]	Yield [#/nt] if > 0.01	Radiation type
9.95810e-06	1.044e+01	X-ray
2.68654e-03	3.112e-02	X-ray
2.82846e-03	1.465e-02	X-ray
2.00395e-02	2.499e-01	X-ray
2.01865e-02	4.730e-01	X-ray
2.26708e-02	4.023e-02	X-ray
2.26963e-02	7.822e-02	X-ray
2.31362e-02	1.545e-02	X-ray
6.77000e-02	8.700e-02	Gamma
1.06750e-01	1.392e-01	Gamma
1.12000e-01	5.800e-01	Gamma
1.74400e-01	6.960e-02	Gamma
5.11000e-01	9.591e-02	Annihilation photon
6.62200e-01	1.972e-01	Gamma
7.24700e-01	3.886e-02	Gamma
8.32800e-01	3.132e-02	Gamma
8.95400e-01	1.508e-02	Gamma
1.00750e+00	1.276e-02	Gamma
1.08770e+00	1.392e-02	Gamma
3.27036e-01	4.508e-02	Positron
3.35222e-05	4.128e+00	Auger electron
1.10575e-04	2.320e-01	Auger electron
1.18214e-04	1.007e+00	Auger electron
2.60354e-04	2.468e+00	Auger electron
3.07766e-04	1.610e-02	Auger electron
2.26670e-03	9.547e-01	Auger electron
2.60788e-03	1.771e-01	Auger electron
1.69094e-02	1.439e-01	Auger electron
1.95952e-02	5.633e-02	Auger electron
4.45090e-02	7.992e-02	Conversion electron
8.35590e-02	3.513e-02	Conversion electron
8.88090e-02	1.280e-01	Conversion electron
1.08609e-01	1.457e-02	Conversion electron

 

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

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

 

 

 

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