Perugia, Italy
Perugia, Italy

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Pilicer E.,National Institute of Nuclear Physics, Italy | Alpat B.,National Institute of Nuclear Physics, Italy | Menichelli M.,National Institute of Nuclear Physics, Italy | Servoli L.,National Institute of Nuclear Physics, Italy | And 4 more authors.
Proceedings of the European Conference on Radiation and its Effects on Components and Systems, RADECS | Year: 2011

In this work we present the results of full Geant4 and FLUKA simulations and comparison with dosimetry data of an electron LINAC of St. Maria Hospital located in Terni, Italy. The facility is being used primarily for radiotherapy and the goal of present study is the detailed investigation of electron beam parameters to evaluate the possibility to use e-LINAC (during time slots when it is not used for radiotherapy) to test the performance of detector systems in particular those designed to operate in space. The critical beam parameters are electron energy, profile and flux available at the surface of device to be tested. The present work aims to extract these parameters from dosimetry calibration data available at e-LINAC. The electron energy range is from 4 MeV to 20 MeV. The dose measurements have been performed by using an Advanced Markus Chamber which has a small sensitive volume. © 2011 IEEE.


Alpat B.,National Institute of Nuclear Physics, Italy | Pilicer E.,Uludag University | Blasko S.,MAPRad S.r.l. | Caraffini D.,MAPRad S.r.l. | And 8 more authors.
IEEE Transactions on Nuclear Science | Year: 2013

By using an experimental setup based on thin and thick double-sided microstrip silicon detectors, it has been possible to identify the fragmentation products due to the interaction of very high energy primary ions on different targets. Here we report total and partial cross-sections measured at GSI (Gesellschaft fur Schwerionenforschung), Darmstadt, for 500 MeV/n energy 12°C beam incident on water (in flasks), polyethylene, lucite, silicon carbide, graphite, aluminium, copper, iron, tin, tantalum and lead targets. The results are compared to the predictions of GEANT4 (v4.9.4) and FLUKA (v11.2) Monte Carlo simulation programs. © 2013 IEEE.


Petasecca M.,National Institute of Nuclear Physics, Italy | Petasecca M.,MAPRAD S.r.l. | Petasecca M.,University of Wollongong | Alpat B.,National Institute of Nuclear Physics, Italy | And 14 more authors.
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment | Year: 2010

There is particular interest to develop low-noise and wide dynamic range data acquisition systems for silicon detectors in view of using the same acquisition readout electronics for a wide range of application fields like monitoring and characterization of radiation sources or particle beams. In the framework of a research project for the qualification of Components Off The Shelf (COTS) for their use in space, research groups from INFN-Perugia, INFN-LNS and from MAPRAD have developed a fully automated, remote controllable, wide dynamic range acquisition system for silicon strip or pixelated detectors. Its design and a basic description of the performance are given here. © 2008 Elsevier B.V.


Alpat B.,National Institute of Nuclear Physics, Italy | Menichelli M.,National Institute of Nuclear Physics, Italy | Caraffini D.,MAPRAD S.r.l. | Petasecca M.,MAPRAD S.r.l. | And 2 more authors.
IEEE Transactions on Nuclear Science | Year: 2010

This paper describes a study of background estimation in Modular x and gamma-ray Sensor (MXGS) on-board ESA's Atmosphere-Space Interactions Monitor (ASIM) mission, using Geant4 simulations and SPENVIS packages for particle flux generations. © 2010 IEEE.


Alpat B.,National Institute of Nuclear Physics, Italy | Pilicer E.,Uludag University | Servoli L.,National Institute of Nuclear Physics, Italy | Menichelli M.,National Institute of Nuclear Physics, Italy | And 4 more authors.
Journal of Instrumentation | Year: 2012

In this work we present the results of full Geant4 and FLUKA simulations and comparison with dosimetry data of an electron LINAC of St. Maria Hospital located in Terni, Italy. The facility is being used primarily for radiotherapy and the goal of the present study is the detailed investigation of electron beam parameters to evaluate the possibility to use the e-LINAC (during time slots when it is not used for radiotherapy) to test the performance of detector systems, in particular those designed to operate in space. The critical beam parameters are electron energy, profile and flux available at the surface of device to be tested. The present work aims to extract these parameters from dosimetry calibration data available at the e-LINAC. The electron energy ranges from 4 MeV to 20 MeV. The dose measurements have been performed by using an Advanced Markus Chamber which has a small sensitive volume. © 2012 IOP Publishing Ltd and Sissa Medialab srl.


Menichelli M.,National Institute of Nuclear Physics, Italy | Alpat B.,National Institute of Nuclear Physics, Italy | Papi A.,National Institute of Nuclear Physics, Italy | Sorensen R.H.,European Space Agency | And 12 more authors.
IEEE Transactions on Nuclear Science | Year: 2010

This paper describes the beam flux monitoring system that has been developed at the Superconducting Cyclotron at INFN-LNS (Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Sud, Catania, Italy) in order to monitor the beam parameters such as energy, flux, beam profile, for SEE (Single Event Effects) cross-sections determination and DD (Displacement Damage) studies. In order to have an accurate and continuous monitoring of beam parameters we have developed fully automatic dosimetry setup to be used during SEE (with heavy ions) and DD (with protons up to 60 MeV) tests of electronic devices and systems. The final goal of our activity is to demonstrate that the operation of such a system in air is not detrimental to the accuracy on controlling the beam profile, energy and fluence delivered onto the DUT (Device Under Test) surface, even with non relativistic heavy ions. We have tested our beam monitoring system with the "Reference SEU monitor" developed by ESA/ESTEC, the results are discussed here. © 2010 IEEE.

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