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Radionuclide Dosimetric Data Sheets
Zirconium-88
Summary data
General
Classification
Isotope: Zr-88
Atomic number (Z): 40
Mass number (A): 88
Neutron number (N): 48
Radioactive decay
Decay modes: Electron capture
Half-life: 83.4 [d]
Decay constant: 9.6193e-08 [1/s]
Daughters: Y-88 (100.0%)
Radioactive daughters: Y-88
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.01603 [MeV]
Mean photon energy: 0.39177 [MeV]
Air kerma rate constant, Γ10: 3.004e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 3.004e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 2.568e-15 [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-:
2.568e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 6.277e-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/Zr-88 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/Zr-88 Summary 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/Zr-88 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
5.29809e-06 |
1.343e+01 |
X-ray |
|
1.91499e-03 |
1.679e-02 |
X-ray |
|
1.48403e-02 |
1.828e-01 |
X-ray |
|
1.49185e-02 |
3.503e-01 |
X-ray |
|
1.66877e-02 |
2.715e-02 |
X-ray |
|
1.67001e-02 |
5.289e-02 |
X-ray |
|
3.92900e-01 |
9.727e-01 |
Gamma |
|
2.02932e-05 |
7.471e+00 |
Auger electron |
|
9.46072e-05 |
2.289e+00 |
Auger electron |
|
9.60604e-05 |
1.022e+00 |
Auger electron |
|
1.01269e-04 |
2.183e-01 |
Auger electron |
|
1.31786e-04 |
8.423e-02 |
Auger electron |
|
1.66249e-03 |
9.594e-01 |
Auger electron |
|
1.82745e-03 |
9.607e-02 |
Auger electron |
|
1.26657e-02 |
1.881e-01 |
Auger electron |
|
1.45497e-02 |
6.539e-02 |
Auger electron |
|
3.75900e-01 |
2.340e-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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