Abstract
The relative efficiency of the two most commonly used 7LiF:Mg,Ti (MTS-7) and 7LiF:Mg,Cu,P (MCP-7) thermoluminescent
detectors was calculated using the Microdosimetric d(z) Model for negative muons, positive
muons, negative pions, positive pions, negative kaons, positive kaons and neutral kaons with energies spanning
from 2 keV to 1 GeV. The needed microdosimetric specific energy probability density distributions were obtained
by performing Monte Carlo radiation transport simulations using the computer code PHITS in the optimal
40 nm site size. The obtained efficiency values were found to be strongly affected by the particle type, its energy
and the detector, ranging from 0.25 to 1.08. Possible correlations with average microdosimetric quantities such
as the frequency- and dose-mean specific energy were discussed in detail. Finally, the effect of including the
nominal dopant concentrations in the simulations used for the assessment of the microdosimetric spectra was
proven to play a marginal role in the computation of the relative efficiency values, in agreement with what was
found in previous studies for ions, photons, electrons, positrons and mixed particle fields.
Details
Original language | English |
---|
Article number | 109096 |
---|
Pages (from-to) | 1-7 |
---|
Number of pages | 7 |
---|
Journal | Radiation Physics and Chemistry |
---|
Volume | 177 |
---|
DOIs | |
---|
Publication status | Published - 16 Jul 2020 |
---|