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Radionuclide Dosimetric Data Sheets

Rubidium-82

Summary data

General

Classification

Isotope:  Rb-82
Atomic number (Z):  37
Mass number (A):  82
Neutron number (N):  45

Radioactive decay

Decay modes:  β+, Electron capture
Half-life:  1.273 [m]
Decay constant:  9.0750e-03 [1/s]
Daughters:  Kr-82 (100.0%)
Radioactive daughters:  None

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  1.41123 [MeV]
Mean photon energy:  1.1083 [MeV]
Air kerma rate constant, Γ105.769e-18 [Gy·m2/Bq·s]
Air kerma coefficient, Kair4.271e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp2.261e-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-2.261e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp1.776e-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/Rb-82 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/Rb-82 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/Rb-82 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/Rb-82 Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

1.93809e-05

3.113e-01

X-ray

1.26066e-02

1.469e-02

X-ray

5.11000e-01

1.908e+00

Annihilation photon

7.76520e-01

1.508e-01

Gamma

1.16732e+00

1.313e-01

Positron

1.53429e+00

8.175e-01

Positron

5.62893e-05

1.361e-01

Auger electron

6.55312e-05

5.352e-02

Auger electron

9.99062e-05

1.012e-02

Auger electron

1.40733e-03

4.751e-02

Auger electron

1.07980e-02

1.087e-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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