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Radionuclide Dosimetric Data Sheets

Manganese-58m

Summary data

General

Classification

Isotope:  Mn-58m
Atomic number (Z):  25
Mass number (A):  58
Neutron number (N):  33

Radioactive decay

Decay modes:  β-
Half-life:  65.2 [s]
Decay constant:  1.0631e-02 [1/s]
Daughters:  Fe-58 (100.0%)
Radioactive daughters:  None

Dosimetric constants

Mean alpha energy:  0.0 [MeV]
Mean electron energy:  1.74428 [MeV]
Mean photon energy:  2.38541 [MeV]
Air kerma rate constant, Γ108.181e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair8.181e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or electrons), Δwp2.795e-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-2.795e-13 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp3.822e-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/Mn-58m 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/Mn-58m 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/Mn-58m 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/Mn-58m Summary Spectrum.csv

 

Energy [MeV]

Yield [#/nt] if > 0.01

Radiation type

4.59160e-01

2.138e-01

Gamma

4.66480e-01

1.267e-02

Gamma

5.23860e-01

3.696e-02

Gamma

8.10761e-01

8.800e-01

Gamma

8.63940e-01

1.478e-01

Gamma

9.25680e-01

1.681e-02

Gamma

1.15677e+00

1.047e-02

Gamma

1.26574e+00

9.064e-02

Gamma

1.32309e+00

5.922e-01

Gamma

1.67472e+00

1.162e-01

Gamma

1.76774e+00

3.168e-02

Gamma

1.78959e+00

2.860e-02

Gamma

2.42245e+00

1.118e-02

Gamma

2.63815e+00

1.329e-02

Gamma

8.38321e-01

2.234e-02

Beta

1.01280e+00

4.239e-02

Beta

1.34321e+00

3.231e-02

Beta

1.63590e+00

7.979e-02

Beta

1.86180e+00

7.580e-01

Beta

1.88963e+00

3.790e-02

Beta

 

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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