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Data · dataset · 2016

Water and tissue equivalence properties of biological materials for photons, electrons, protons and alpha particles in the energy region 10 keV–1 GeV: a comparative study

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Purpose: To compare some biological materials in respect to the water and tissue equivalence properties for photon, electron, proton and alpha particle interactions as means of the effective atomic number ( Z eff ) and electron density ( N e ).

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Methods

A Z-wise interpolation procedure has been adopted for calculation of Z eff using the mass attenuation coefficients for photons and the mass stopping powers for charged particles. Results: At relatively low energies (100 keV–3 MeV), Z eff and N e for photons and electrons were found to be constant while they vary much more for protons and alpha particles. In contrast, Z eff and N e for protons and alpha particles were found to be constant after 3 MeV whereas for photons and electrons they were found to increase with the increasing energy.

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Also, muscle eq. liquid (with sucrose) have Z eff and N e values close to the Muscle Skeletal (ICRP) and Muscle Striated (ICRU) within low relative differences below 9%. Muscle eq. liquid (without sucrose) have Z eff and N e values close to the Muscle Skeletal (ICRP) and Muscle Striated (ICRU) with difference below 10%. Conclusions: The reported data should be useful in determining best water as well as tissue equivalent materials for photon, electron, proton and alpha particle interactions.

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Provenance · 1 source records, 12 field assertions
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DataCite10.6084/m9.figshare.3487799.v112 d agoJSON v1
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concepts[field].fos:biological-sciencessource · DataCiteconnector:datacite@1.0.0
concepts[field].fos:chemical-sciencessource · DataCiteconnector:datacite@1.0.0
concepts[field].fos:health-sciencessource · DataCiteconnector:datacite@1.0.0
concepts[field].fos:physical-sciencessource · DataCiteconnector:datacite@1.0.0
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