Ricerc@Sapienza

GEM-based detectors had a noticeable development
in last years and have successfully been employed in different
fields from High Energy Physics to imaging applications. Light
production associated to the electron multiplication allows to
perform an optical readout of these devices. The big progress
achieved in CMOS-based photo-sensors makes possible to develop
a high sensitivity, high granularity and low noise readout. In this
paper we present the results obtained by reading out the light
produced by a triple-GEM structure by means o

During Particle Therapy treatments the patient irradiation produces, among different types of secondary radiation, an abundant flux of neutrons that can release a significant dose far away from the tumour region. A precise measurement of their flux, energy and angle distributions is eagerly needed in order to improve the Treatment Planning Systems software and to properly take into account the risk of late complications in the whole body.