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Microdosimetry. I. Use of secondary electron emission
Acta Radiologica. Oncology
|January 1, 1980
Summary
Secondary electron emission shows promise for microdosimetric analysis, offering an alternative to gaseous ionization. This study validates its use by comparing calculated lineal energy spectra with proportional counter measurements.
Area of Science:
- Radiation physics
- Medical physics
- Dosimetry
Background:
- Microdosimetry quantifies energy deposition in small volumes.
- Traditional methods often rely on gaseous ionization.
- Secondary electron emission presents an alternative physical basis.
Purpose of the Study:
- To explore secondary electron emission for microdosimetric analysis.
- To compare secondary electron emission with gaseous ionization.
- To assess the stochastic nature of secondary electron emission.
Main Methods:
- Review of stochastic secondary emission.
- Selection of input data for calculations.
- Computation of lineal energy spectra.
- Comparison with proportional counter data.
Main Results:
- Lineal energy spectra were calculated.
- Frequency and dose mean of lineal energy were obtained.
- Results were compared across different volumes.
- Agreement was found with proportional counter measurements.
Conclusions:
- Secondary electron emission is a viable basis for microdosimetric analysis.
- This method shows potential for biologic applications.
- Further research into its stochastic properties is warranted.