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Radionuclide Dosimetric Data Sheets

Lutetium-180

Summary data

General

Classification

Isotope:  Lu-180
Atomic number (Z):  71
Mass number (A):  180
Neutron number (N):  109

Radioactive decay

Decay modes:  β-
Half-life:  5.7 [m]
Decay constant:  2.0267e-03 [1/s]
Daughters:  Hf-180 (100.0%)
Radioactive daughters:  None

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  0.63518 [MeV]
Mean photon energy:  1.51475 [MeV]
Air kerma rate constant, Γ10:  5.307e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair:  5.307e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp:  1.018e-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-:  1.018e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp:  2.427e-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-180 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-180 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-180 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-180 Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

1.94313e-05

5.587e+00

X-ray

1.63917e-03

1.695e-02

X-ray

7.88959e-03

5.544e-02

X-ray

9.03751e-03

5.216e-02

X-ray

5.47191e-02

5.968e-02

X-ray

5.59237e-02

1.044e-01

X-ray

6.31238e-02

1.112e-02

X-ray

6.33831e-02

2.148e-02

X-ray

6.90000e-02

1.505e-02

Gamma

9.33080e-02

1.174e-01

Gamma

1.35000e-01

1.849e-02

Gamma

1.98300e-01

1.118e-02

Gamma

2.15241e-01

2.206e-01

Gamma

2.34900e-01

1.118e-02

Gamma

3.16500e-01

1.290e-01

Gamma

3.33000e-01

1.247e-02

Gamma

4.07960e-01

4.300e-01

Gamma

4.24400e-01

1.204e-02

Gamma

9.82700e-01

2.580e-02

Gamma

1.06640e+00

1.763e-02

Gamma

1.08990e+00

1.161e-02

Gamma

1.10100e+00

1.634e-02

Gamma

1.10660e+00

2.266e-01

Gamma

1.19790e+00

1.385e-01

Gamma

1.19970e+00

2.425e-01

Gamma

1.29930e+00

1.346e-01

Gamma

1.43410e+00

2.064e-02

Gamma

1.51440e+00

8.600e-02

Gamma

1.88830e+00

1.247e-02

Gamma

4.78153e-01

9.073e-02

Beta

5.27784e-01

1.512e-02

Beta

5.34126e-01

7.863e-01

Beta

6.56908e-01

2.016e-02

Beta

7.03510e-01

3.024e-02

Beta

1.09839e+00

5.040e-02

Beta

1.07244e-05

4.851e-01

Auger electron

2.44606e-05

6.882e-01

Auger electron

1.59990e-04

1.949e+00

Auger electron

2.81760e-04

6.139e-02

Auger electron

3.03604e-04

3.317e-01

Auger electron

7.34363e-04

5.593e-02

Auger electron

1.36648e-03

8.486e-01

Auger electron

1.54594e-03

4.483e-02

Auger electron

6.20594e-03

2.764e-01

Auger electron

7.82616e-03

1.027e-01

Auger electron

2.78260e-02

1.285e-01

Conversion electron

6.95180e-02

2.718e-02

Conversion electron

8.20630e-02

1.309e-02

Conversion electron

8.25450e-02

1.605e-01

Conversion electron

8.37497e-02

1.510e-01

Conversion electron

9.12090e-02

8.125e-02

Conversion electron

9.33080e-02

2.202e-02

Conversion electron

1.49759e-01

3.000e-02

Conversion electron

3.42478e-01

1.065e-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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