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Radionuclide Dosimetric Data Sheets

Niobium-96

Summary data

General

Classification

Isotope:  Nb-96
Atomic number (Z):  41
Mass number (A):  96
Neutron number (N):  55

Radioactive decay

Decay modes:  β-
Half-life:  23.35 [h]
Decay constant:  8.2459e-06 [1/s]
Daughters:  Mo-96 (100.0%)
Radioactive daughters:  None

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  0.25344 [MeV]
Mean photon energy:  2.46144 [MeV]
Air kerma rate constant, Γ108.952e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair8.952e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp4.061e-14 [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-4.061e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp3.944e-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/Nb-96 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/Nb-96 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/Nb-96 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/Nb-96 Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

6.84804e-06

8.881e-02

X-ray

2.19081e-01

2.971e-02

Gamma

2.41377e-01

3.472e-02

Gamma

3.50053e-01

1.061e-02

Gamma

3.71807e-01

2.623e-02

Gamma

4.60040e-01

2.662e-01

Gamma

4.80705e-01

5.835e-02

Gamma

5.68871e-01

5.797e-01

Gamma

7.19562e-01

6.848e-02

Gamma

7.21629e-01

1.022e-02

Gamma

7.78224e-01

9.645e-01

Gamma

8.10330e-01

1.109e-01

Gamma

8.12581e-01

2.951e-02

Gamma

8.47690e-01

1.138e-02

Gamma

8.49929e-01

2.045e-01

Gamma

1.09135e+00

4.851e-01

Gamma

1.20023e+00

1.997e-01

Gamma

1.49781e+00

3.279e-02

Gamma

2.49558e-01

2.300e-02

Beta

2.50463e-01

9.669e-01

Beta

2.73634e-05

4.112e-02

Auger electron

1.76200e-04

1.875e-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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