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Radionuclide Dosimetric Data Sheets

Dysprosium-153

Summary data

General

Classification

Isotope:  Dy-153
Atomic number (Z):  66
Mass number (A):  153
Neutron number (N):  87

Radioactive decay

Decay modes:  α, β+, Electron capture
Half-life:  6.4 [h]
Decay constant:  3.0085e-05 [1/s]
Daughters:  Tb-153 (100.0%), Gd-149 (0.0094%)
Radioactive daughters:  Tb-153, Gd-149

Dosimetric constants

Mean alpha energy:  0.0003 [MeV]
Mean electron energy:  0.09012 [MeV]
Mean photon energy:  0.87459 [MeV]
Air kerma rate constant, Γ10:  3.229e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair:  3.279e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp:  1.449e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for alphas, Δα:  4.807e-17 [Gy·kg/Bq·s]
Equilibrium dose constant for betas/electrons, Δβ-,β+,e-:  1.444e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp:  1.401e-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/Dy-153 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/Dy-153 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/Dy-153 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/Dy-153 Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

1.38242e-05

2.008e+01

X-ray

1.16057e-03

3.402e-02

X-ray

5.56950e-03

1.182e-02

X-ray

6.22630e-03

1.688e-02

X-ray

6.26069e-03

1.492e-01

X-ray

6.98190e-03

9.795e-02

X-ray

7.07629e-03

1.256e-02

X-ray

7.35101e-03

2.519e-02

X-ray

8.10032e-03

1.711e-02

X-ray

4.37992e-02

4.905e-01

X-ray

4.45546e-02

8.792e-01

X-ray

5.03066e-02

8.992e-02

X-ray

5.04632e-02

1.739e-01

X-ray

5.17440e-02

1.973e-02

X-ray

5.17791e-02

3.824e-02

X-ray

8.07230e-02

1.110e-01

Gamma

9.96590e-02

1.051e-01

Gamma

1.47560e-01

3.885e-02

Gamma

2.13754e-01

1.090e-01

Gamma

2.18629e-01

1.454e-02

Gamma

2.44249e-01

4.296e-02

Gamma

2.54259e-01

8.580e-02

Gamma

2.74673e-01

1.998e-02

Gamma

2.74673e-01

3.108e-02

Gamma

2.96690e-01

1.043e-02

Gamma

3.23665e-01

1.177e-02

Gamma

3.89531e-01

1.521e-02

Gamma

4.15580e-01

1.121e-02

Gamma

4.34101e-01

1.221e-02

Gamma

4.48664e-01

1.055e-02

Gamma

4.71352e-01

1.343e-02

Gamma

5.10500e-01

1.132e-02

Gamma

5.11000e-01

2.596e-02

Annihilation photon

5.12000e-01

1.798e-02

Gamma

5.37225e-01

1.332e-02

Gamma

5.93731e-01

1.121e-02

Gamma

6.59835e-01

1.099e-02

Gamma

1.02399e+00

1.088e-02

Gamma

1.04993e+00

1.132e-02

Gamma

1.73725e-05

1.198e+00

Auger electron

1.22001e-04

9.174e+00

Auger electron

1.35623e-04

5.651e-01

Auger electron

1.97365e-04

1.457e+00

Auger electron

6.21101e-04

3.000e-01

Auger electron

9.61039e-04

3.103e+00

Auger electron

1.13662e-03

1.765e-01

Auger electron

4.95429e-03

1.121e+00

Auger electron

6.16242e-03

3.919e-01

Auger electron

7.40479e-03

3.442e-02

Auger electron

2.86630e-02

3.902e-01

Conversion electron

3.04040e-02

3.122e-01

Conversion electron

3.58945e-02

7.301e-02

Auger electron

4.08970e-02

2.302e-02

Conversion electron

4.25487e-02

3.631e-02

Auger electron

4.75990e-02

2.020e-01

Conversion electron

7.20499e-02

5.171e-02

Conversion electron

7.37909e-02

6.833e-02

Conversion electron

7.49587e-02

1.607e-02

Conversion electron

7.91262e-02

1.374e-02

Conversion electron

8.08672e-02

2.170e-02

Conversion electron

9.09859e-02

2.682e-02

Conversion electron

9.55000e-02

2.280e-02

Conversion electron

2.02199e-01

1.151e-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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