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Radionuclide Dosimetric Data Sheets

Yttrium-83

Summary data

General

Classification

Isotope:  Y-83
Atomic number (Z):  39
Mass number (A):  83
Neutron number (N):  44

Radioactive decay

Decay modes:  β+, Electron capture
Half-life:  7.08 [m]
Decay constant:  1.6317e-03 [1/s]
Daughters:  Sr-83 (100.0%)
Radioactive daughters:  Sr-83

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  1.31382 [MeV]
Mean photon energy:  1.34575 [MeV]
Air kerma rate constant, Γ10:  2.635e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair:  6.193e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp:  2.105e-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-:  2.105e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp:  2.156e-13 [Gy·kg/Bq·s]

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/Y-83 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/Y-83 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/Y-83 Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

2.09371e-05

5.825e+00

X-ray

1.79939e-03

1.043e-02

X-ray

1.40549e-02

1.235e-01

X-ray

1.41246e-02

2.371e-01

X-ray

1.57867e-02

1.802e-02

X-ray

1.57975e-02

3.512e-02

X-ray

3.55000e-02

1.934e-01

Gamma

2.59100e-01

1.820e-02

Gamma

3.91600e-01

1.449e-02

Gamma

4.20300e-01

1.840e-02

Gamma

4.54400e-01

2.394e-02

Gamma

4.89900e-01

5.531e-02

Gamma

5.11000e-01

1.838e+00

Annihilation photon

6.82100e-01

1.241e-02

Gamma

7.21200e-01

1.058e-02

Gamma

7.43500e-01

1.229e-02

Gamma

8.58700e-01

3.213e-02

Gamma

8.82100e-01

6.300e-02

Gamma

9.51800e-01

1.953e-02

Gamma

1.33650e+00

3.087e-02

Gamma

1.37190e+00

1.008e-02

Gamma

9.23197e-01

1.162e-01

Positron

9.87266e-01

1.259e-02

Positron

1.11311e+00

1.200e-02

Positron

1.14517e+00

2.807e-02

Positron

1.22792e+00

1.297e-02

Positron

1.55026e+00

6.293e-01

Positron

1.56713e+00

5.808e-02

Positron

1.36397e-05

1.623e+00

Auger electron

7.49326e-05

1.620e+00

Auger electron

9.40231e-05

6.870e-01

Auger electron

1.00022e-04

1.442e-01

Auger electron

1.09890e-04

7.848e-02

Auger electron

1.57330e-03

6.793e-01

Auger electron

1.71355e-03

6.038e-02

Auger electron

1.20238e-02

1.411e-01

Auger electron

1.37890e-02

4.782e-02

Auger electron

1.94330e-02

5.398e-01

Conversion electron

3.32999e-02

5.791e-02

Conversion electron

3.52305e-02

1.083e-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

 

 

 

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