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Updated: May 31, 2026

Characterization of Recombination Effects in a Liquid Ionization Chamber Used for the Dosimetry of a Radiosurgical Accelerator

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Personal dose equivalent conversion coefficients for electrons to 1 Ge V.

K G Veinot¹, N E Hertel

¹Y-12 National Security Complex, PO Box 2009, M.S. 8105, Oak Ridge, TN 37831-8105, USA. veinotkg@y12.doe.gov

Radiation Protection Dosimetry

|July 1, 2011

Summary

This study calculates conversion coefficients for personal dose equivalent (H(p)(d)) for electrons, crucial for calibrating radiation dosemeters. These values aid in accurately assessing radiation exposure in practical settings.

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Area of Science:

Medical Physics
Radiation Dosimetry
Nuclear Engineering

Background:

Personal dose equivalent (H(p)(d)) approximates effective dose for dosemeter calibration.
Previous work reported photon conversion coefficients; this study addresses electrons.
Slab phantoms are standard for determining personal dose equivalent.

Purpose of the Study:

To calculate conversion coefficients for personal dose equivalent (H(p)(d)) for electrons.
To provide analytical fits for these coefficients across a range of energies.
To compare calculated values with protection quantities and discuss the impact of eyewear.

Main Methods:

Utilized techniques similar to previous photon studies.
Calculated conversion coefficients for H(p)(10), H(p)(3), and H(p)(0.07) up to 1 GeV.
Employed a standard 30×30×15 cm slab phantom.

Main Results:

Reported electron conversion coefficients for personal dose equivalent.
Provided analytical fits for energy-dependent coefficients.
Compared results with ICRP recommendations and analyzed eyewear effects.

Conclusions:

Established conversion coefficients for electron personal dose equivalent using slab phantoms.
Analytical fits facilitate practical application in radiation dosimetry.
Findings support accurate calibration and assessment of radiation protection quantities.