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Radionuclide Dosimetric Data Sheets

Tellurium-114

Summary data

General

Classification

Isotope:  Te-114
Atomic number (Z):  52
Mass number (A):  114
Neutron number (N):  62

Radioactive decay

Decay modes:  β+, Electron capture
Half-life:  15.2 [m]
Decay constant:  7.6003e-04 [1/s]
Daughters:  Sb-114 (100.0%)
Radioactive daughters:  Sb-114

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  0.1551 [MeV]
Mean photon energy:  1.28165 [MeV]
Air kerma rate constant, Γ10:  4.409e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair:  5.013e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp:  2.485e-14 [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-:  2.485e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp:  2.053e-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/Te-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/Te-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/Te-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/Te-114 Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

1.22323e-05

2.465e+01

X-ray

3.59265e-03

6.044e-02

X-ray

3.83820e-03

3.677e-02

X-ray

2.60930e-02

2.770e-01

X-ray

2.63486e-02

5.169e-01

X-ray

2.96698e-02

4.713e-02

X-ray

2.97173e-02

9.143e-02

X-ray

3.03709e-02

1.902e-02

X-ray

4.60000e-02

2.144e-02

Gamma

5.46000e-02

3.328e-02

Gamma

8.38000e-02

5.392e-02

Gamma

9.02000e-02

8.000e-02

Gamma

1.47400e-01

1.240e-02

Gamma

1.88100e-01

3.992e-02

Gamma

2.44400e-01

6.800e-02

Gamma

2.98500e-01

1.264e-02

Gamma

3.46900e-01

3.768e-02

Gamma

3.79700e-01

2.328e-02

Gamma

4.37200e-01

1.688e-02

Gamma

4.79300e-01

5.472e-02

Gamma

5.11000e-01

3.123e-01

Annihilation photon

5.45100e-01

2.344e-02

Gamma

6.00100e-01

1.824e-02

Gamma

6.36400e-01

1.240e-02

Gamma

7.26800e-01

7.352e-02

Gamma

7.36100e-01

1.352e-02

Gamma

8.44900e-01

4.128e-02

Gamma

9.06900e-01

1.592e-02

Gamma

1.16080e+00

1.128e-02

Gamma

1.19990e+00

1.064e-02

Gamma

1.41740e+00

6.056e-02

Gamma

1.65220e+00

2.512e-02

Gamma

1.84080e+00

2.576e-02

Gamma

1.89680e+00

7.880e-02

Gamma

1.90200e+00

1.408e-02

Gamma

7.06885e-01

1.408e-01

Positron

1.68920e-05

1.214e+01

Auger electron

2.74054e-05

4.072e+00

Auger electron

1.22810e-04

1.364e+00

Auger electron

2.65365e-04

2.106e-01

Auger electron

4.22188e-04

3.104e+00

Auger electron

5.03514e-04

9.368e-02

Auger electron

2.95958e-03

1.216e+00

Auger electron

3.51317e-03

3.287e-01

Auger electron

4.08669e-03

2.255e-02

Auger electron

1.55210e-02

1.100e-01

Conversion electron

2.17904e-02

9.659e-02

Auger electron

2.30140e-02

2.024e-01

Conversion electron

2.32695e-02

3.002e-01

Conversion electron

2.41210e-02

1.063e-01

Conversion electron

2.54497e-02

4.184e-02

Auger electron

2.59210e-02

1.246e-02

Conversion electron

2.66383e-02

1.066e-01

Conversion electron

2.74000e-02

2.207e-02

Conversion electron

4.13263e-02

1.310e-02

Conversion electron

4.99263e-02

1.248e-02

Conversion electron

5.33210e-02

5.850e-02

Conversion electron

5.97210e-02

7.863e-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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