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Radionuclide Dosimetric Data Sheets

Lutetium-170

Summary data

General

Classification

Isotope:  Lu-170
Atomic number (Z):  71
Mass number (A):  170
Neutron number (N):  99

Radioactive decay

Decay modes:  β+, Electron capture
Half-life:  2.012 [d]
Decay constant:  3.9873e-06 [1/s]
Daughters:  Yb-170 (100.0%)
Radioactive daughters:  None

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  0.05847 [MeV]
Mean photon energy:  2.56355 [MeV]
Air kerma rate constant, Γ108.065e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair8.077e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp9.368e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for alphas, Δα0.000e+00 [Gy·kg/Bq·s]
Equilibrium dose constant for betas/electrons, Δβ-,β+,e-9.368e-15 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp4.107e-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/Lu-170 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/Lu-170 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/Lu-170 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/Lu-170 Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

8.65144e-06

1.425e+01

X-ray

1.50179e-03

3.525e-02

X-ray

7.35570e-03

1.458e-02

X-ray

7.40529e-03

1.287e-01

X-ray

8.41451e-03

9.424e-02

X-ray

8.74937e-03

2.197e-02

X-ray

9.79888e-03

1.679e-02

X-ray

5.14483e-02

2.554e-01

X-ray

5.25072e-02

4.500e-01

X-ray

5.92804e-02

4.743e-02

X-ray

5.95058e-02

9.165e-02

X-ray

6.10550e-02

1.055e-02

X-ray

6.11060e-02

2.041e-02

X-ray

8.42620e-02

8.717e-02

Gamma

1.93130e-01

2.070e-02

Gamma

5.72200e-01

1.252e-02

Gamma

9.38750e-01

1.573e-02

Gamma

9.85100e-01

5.364e-02

Gamma

9.87250e-01

1.654e-02

Gamma

9.99600e-01

1.520e-02

Gamma

1.00320e+00

3.442e-02

Gamma

1.05428e+00

4.604e-02

Gamma

1.06139e+00

2.101e-02

Gamma

1.13360e+00

1.028e-02

Gamma

1.13865e+00

3.487e-02

Gamma

1.14465e+00

1.663e-02

Gamma

1.14580e+00

1.748e-02

Gamma

1.21850e+00

1.359e-02

Gamma

1.22565e+00

4.828e-02

Gamma

1.25720e+00

1.363e-02

Gamma

1.28025e+00

7.912e-02

Gamma

1.29470e+00

2.838e-02

Gamma

1.30755e+00

1.073e-02

Gamma

1.34120e+00

3.151e-02

Gamma

1.36460e+00

4.470e-02

Gamma

1.39565e+00

2.190e-02

Gamma

1.40515e+00

2.526e-02

Gamma

1.42808e+00

3.375e-02

Gamma

1.45020e+00

1.564e-02

Gamma

1.45525e+00

1.140e-02

Gamma

1.45985e+00

1.050e-02

Gamma

1.51250e+00

2.472e-02

Gamma

1.95565e+00

1.332e-02

Gamma

2.04000e+00

2.539e-02

Gamma

2.04188e+00

5.900e-02

Gamma

2.12611e+00

4.962e-02

Gamma

2.19115e+00

1.587e-02

Gamma

2.36410e+00

1.448e-02

Gamma

2.66395e+00

1.220e-02

Gamma

2.69145e+00

2.213e-02

Gamma

2.74815e+00

2.070e-02

Gamma

2.78300e+00

1.001e-02

Gamma

2.84530e+00

1.663e-02

Gamma

2.93965e+00

1.497e-02

Gamma

2.96560e+00

1.247e-02

Gamma

3.03095e+00

1.278e-02

Gamma

9.39451e-06

1.243e+00

Auger electron

1.88614e-05

1.763e+00

Auger electron

1.54787e-04

5.157e+00

Auger electron

2.45649e-04

1.559e-01

Auger electron

2.62278e-04

9.029e-01

Auger electron

8.70032e-04

1.317e-01

Auger electron

1.25729e-03

2.087e+00

Auger electron

1.43020e-03

9.426e-02

Auger electron

5.82183e-03

6.893e-01

Auger electron

7.31383e-03

2.486e-01

Auger electron

8.83620e-03

2.280e-02

Auger electron

2.28210e-02

1.211e-01

Conversion electron

4.19611e-02

3.082e-02

Auger electron

4.99512e-02

1.575e-02

Auger electron

7.38080e-02

1.224e-02

Conversion electron

7.42694e-02

1.603e-01

Conversion electron

7.53282e-02

1.597e-01

Conversion electron

8.23268e-02

8.222e-02

Conversion electron

8.42620e-02

2.171e-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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