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Radionuclide Dosimetric Data Sheets

Titanium-52

Summary data

General

Classification

Isotope:  Ti-52
Atomic number (Z):  22
Mass number (A):  52
Neutron number (N):  30

Radioactive decay

Decay modes:  β-
Half-life:  1.7 [m]
Decay constant:  6.7956e-03 [1/s]
Daughters:  V-52 (100.0%)
Radioactive daughters:  V-52

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  0.75304 [MeV]
Mean photon energy:  0.12819 [MeV]
Air kerma rate constant, Γ107.232e-18 [Gy·m2/Bq·s]
Air kerma coefficient, Kair7.232e-18 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp1.207e-13 [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-1.207e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp2.054e-14 [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/Ti-52 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/Ti-52 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/Ti-52 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/Ti-52 Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

9.23982e-06

3.889e+00

X-ray

4.90772e-03

3.759e-02

X-ray

4.91506e-03

7.389e-02

X-ray

1.71530e-02

1.800e-01

Gamma

1.24453e-01

1.000e+00

Gamma

7.42688e-01

1.000e+00

Beta

3.00131e-05

1.912e+00

Auger electron

5.14571e-05

1.705e-01

Auger electron

4.35347e-04

8.374e-01

Auger electron

4.81733e-04

1.730e-02

Auger electron

4.34375e-03

3.110e-01

Auger electron

4.83456e-03

7.319e-02

Auger electron

1.17134e-02

5.014e-01

Conversion electron

1.65292e-02

4.594e-02

Conversion electron

1.19013e-01

1.147e-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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