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Radionuclide Dosimetric Data Sheets

Tin-130m

Summary data

General

Classification

Isotope:  Sn-130m
Atomic number (Z):  50
Mass number (A):  130
Neutron number (N):  80

Radioactive decay

Decay modes:  β-
Half-life:  1.7 [m]
Decay constant:  6.7956e-03 [1/s]
Daughters:  Sb-130 (86.0%), Sb-130m (14.0%)
Radioactive daughters:  Sb-130, Sb-130m

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  1.40399 [MeV]
Mean photon energy:  0.88606 [MeV]
Air kerma rate constant, Γ10:  3.353e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair:  3.353e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp:  2.249e-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-:  2.249e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp:  1.420e-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/Sn-130m 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/Sn-130m 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/Sn-130m 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/Sn-130m Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

1.22326e-05

6.840e+00

X-ray

3.59266e-03

1.665e-02

X-ray

2.60930e-02

1.113e-01

X-ray

2.63486e-02

2.078e-01

X-ray

2.96698e-02

1.894e-02

X-ray

2.97173e-02

3.675e-02

X-ray

4.36900e-02

1.757e-02

Gamma

6.02100e-02

3.358e-02

Gamma

6.30000e-02

4.140e-02

Gamma

8.46700e-02

9.545e-02

Gamma

9.19000e-02

1.610e-02

Gamma

9.67000e-02

1.610e-02

Gamma

1.44911e-01

2.266e-01

Gamma

3.11180e-01

4.623e-02

Gamma

5.44090e-01

5.865e-02

Gamma

6.48500e-01

2.553e-02

Gamma

7.33400e-01

2.300e-01

Gamma

7.71000e-01

1.518e-02

Gamma

8.53330e-01

4.094e-02

Gamma

8.70920e-01

1.495e-02

Gamma

8.99790e-01

8.142e-02

Gamma

9.12600e-01

1.840e-02

Gamma

9.38000e-01

4.140e-02

Gamma

9.62690e-01

1.771e-02

Gamma

9.72200e-01

2.070e-02

Gamma

1.01470e+00

1.035e-02

Gamma

1.22110e+00

1.771e-02

Gamma

1.47850e+00

2.070e-02

Gamma

6.08126e-01

1.563e-02

Beta

6.47680e-01

4.004e-02

Beta

1.12017e+00

1.172e-02

Beta

1.14458e+00

1.270e-02

Beta

1.21264e+00

1.270e-02

Beta

1.26508e+00

2.344e-02

Beta

1.26637e+00

9.376e-02

Beta

1.31633e+00

4.981e-02

Beta

1.41201e+00

2.344e-01

Beta

1.68876e+00

2.051e-01

Beta

1.70440e+00

3.321e-02

Beta

1.71716e+00

5.860e-02

Beta

1.72501e+00

8.204e-02

Beta

1.68948e-05

3.367e+00

Auger electron

2.73692e-05

1.134e+00

Auger electron

1.22188e-04

3.792e-01

Auger electron

2.80358e-04

6.701e-02

Auger electron

4.22422e-04

8.552e-01

Auger electron

5.04515e-04

2.587e-02

Auger electron

2.96391e-03

3.369e-01

Auger electron

3.51848e-03

9.115e-02

Auger electron

1.32110e-02

2.823e-02

Conversion electron

1.36210e-02

4.007e-02

Conversion electron

2.17904e-02

3.882e-02

Auger electron

2.54497e-02

1.681e-02

Auger electron

2.97310e-02

7.866e-02

Conversion electron

3.25210e-02

8.483e-02

Conversion electron

5.41910e-02

1.644e-01

Conversion electron

5.83263e-02

1.008e-02

Conversion electron

7.99963e-02

1.954e-02

Conversion electron

1.14432e-01

4.361e-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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