RT Journal Article
T1 Characterization of the Charge Collection Efficiency in Silicon 3-D-Detectors for Microdosimetry
A1 Bachiller Perea, Diana
A1 García López, Javier
A1 Jiménez-Ramos, María del Carmen
A1 Gómez Rodríguez, Faustino
A1 Fleta, Celeste
A1 Quirion, David
A1 García Osuna, Adrián
A1 Guardiola, Consuelo
K1 Charge Collection Efficiency (CCE)
K1 Hadron Therapy
K1 Ion Beam Induced Charge (IBIC)
K1 Ion Microbeam
K1 Microdosimetry
K1 Particle Detectors
K1 Proton Therapy
K1 Silicon Microdosimeters
AB New silicon 3-D-microdetectors have been developed to perform microdosimetry measurements for applications in hadron therapy. In this work, the charge collection efficiency (CCE) of an improved second generation of microdetectors having two different thicknesses (10 and 20 \mu \text{m} ) and a diameter of 25 \mu \text{m} has been studied by means of the ion beam induced charge (IBIC) technique. New methods to study the active volume and the CCE of microdosimeters are proposed and verified here. The results show that, for this new generation of microdetectors, the CCE is 100% for radial distances up to 10.2 \mu \text{m} from the center of the device, and it rapidly decays between 10.2 \mu \text{m} and the detector edge. The characterization of the CCE conducted here will allow us to completely explain the energy spectra obtained during the microdosimetry studies performed in clinical centers.
PB IEEE
YR 2021
FD 2021
LK http://hdl.handle.net/10347/32148
UL http://hdl.handle.net/10347/32148
LA eng
NO IEEE Transactions on Instrumentation and MeasurementVolume 702021 Article number 9339896
NO This work was supported by the CNRS-Momentum fellow and the EuropeanUnion’s Horizon 2020 Research and Innovation program under the MarieSklodowska-Curie Grant Agreement no. 745109 and the G. A. no. 654168
DS Minerva
RD 28 abr 2026