Using Monte Carlo for calibrating microdosimetric spectra
(2013) Belgian Hospital Physicist Association Symposium 2013 — Location: Mechelen, Belgium (1.February.2013)
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- Abstract
- Tissue-equivalent proportional counters (TEPC) are widely used in experimental microdosimetry for characterizing radiation beams in radiation protection and therapeutic beams. Generally, they are filled with tissue equivalent gases at low pressures to simulate tissue sites comparable to the cell size (1 or 2 μm). TEPCs measure ionizations events produced by a single event in microdosimetric sites and the number of ionizations produced in the gas is converted to energy by multiplying by a constant W-value. On the other side, modelled TEPCs using Monte Carlo (MC) techniques give the energy absorbed inside the cavity by single events. The aim of this work is to calculate photon microdosimetric spectra by using Monte Carlo (MC) codes that could be used as a complementary tool to validate the conventional methods of calibration. A comparison between 60Co experimental data at different simulated sizes in gas propane and calculated data with FLUKA [1] and PENELOPE [2] is presented and discussed.
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Chiriotti Alvarez, S., Vynckier, S., Sterpin, E., & et al. (2013). Using Monte Carlo for calibrating microdosimetric spectra. Belgian Hospital Physicist Association Symposium 2013, Mechelen, Belgium. https://hdl.handle.net/2078.5/57728