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Radionuclide Dosimetric Data Sheets

Antimony-114

Summary data

General

Classification

Isotope:  Sb-114
Atomic number (Z):  51
Mass number (A):  114
Neutron number (N):  63

Radioactive decay

Decay modes:  β+, Electron capture
Half-life:  3.49 [m]
Decay constant:  3.3102e-03 [1/s]
Daughters:  Sn-114 (100.0%)
Radioactive daughters:  None

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  1.21836 [MeV]
Mean photon energy:  2.6893 [MeV]
Air kerma rate constant, Γ10:  6.453e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair:  9.516e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp:  1.952e-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-:  1.952e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp:  4.309e-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/Sb-114 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/Sb-114 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/Sb-114 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/Sb-114 Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

1.08543e-05

2.899e+00

X-ray

2.50232e-02

4.526e-02

X-ray

2.52572e-02

8.468e-02

X-ray

2.84736e-02

1.483e-02

X-ray

3.27180e-01

7.205e-02

Gamma

3.90340e-01

1.165e-02

Gamma

5.11000e-01

1.583e+00

Annihilation photon

6.68370e-01

1.263e-02

Gamma

7.17320e-01

4.639e-02

Gamma

8.87570e-01

1.767e-01

Gamma

9.39000e-01

1.026e-02

Gamma

9.74820e-01

2.862e-02

Gamma

1.15414e+00

1.648e-02

Gamma

1.29992e+00

9.870e-01

Gamma

1.56000e+00

1.007e-02

Gamma

1.64380e+00

1.342e-02

Gamma

1.90790e+00

1.165e-02

Gamma

1.92620e+00

1.698e-02

Gamma

2.23980e+00

1.234e-02

Gamma

9.28099e-01

1.717e-02

Positron

9.45668e-01

3.394e-02

Positron

1.12532e+00

3.992e-02

Positron

1.25311e+00

1.567e-02

Positron

1.27718e+00

3.094e-02

Positron

1.69390e+00

5.989e-01

Positron

1.13310e-05

1.433e+00

Auger electron

3.03630e-05

4.933e-01

Auger electron

1.23889e-04

1.592e-01

Auger electron

2.72183e-04

2.835e-02

Auger electron

3.96288e-04

3.589e-01

Auger electron

2.84837e-03

1.417e-01

Auger electron

3.36521e-03

3.651e-02

Auger electron

2.09334e-02

1.706e-02

Auger 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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