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Technological solutions for the transfer to large area microstrip radiation silicon sensors are presented for the upgrade of the ATLAS detector. A new Automatic Layout Generation Tool has been developed to easily adapt the design of the sensors, investigating also the fabrication processes involved in 6-inch wafer technology. Inter-strip and radiation hardness characterization of prototype sensors...
Current techniques of cancer treatment using protons and heavy ions (hadrons) are an expanding branch of the external radiation therapy. Characterization of radiobiological efficiency of the hadron beams depends on the knowledge of the energy deposition distributions associated to their track structure. Novel manufacturing techniques led to the fabrication of micrometer-scale instruments for the measurement...
A further development of a new technological solution to improve the beam-loss protection of silicon strip sensors used in large High Energy Physics experiments is presented. Previous studies show that the high strip resistance limits the beneficial effect of full Punch-Through protection (PTP) structures to the area near the structures. In our approach, we extended the PTP protection to the full...
This paper describes a new concept of Silicon radiation detector with internal multiplication of the charge generated by the incident particle, known as Low Gain Avalanche Detector (LGAD), with a gain in the range of 10–20. The LGAD is addressed to tracking applications for high energy physics with enhanced performances compared to the conventional detectors based on the PiN diode structure. The physical...
A new technological solution to improve the beam-loss protection of silicon strip sensors used in large High Energy Physics experiments is presented. In the current ATLAS-SCT, sensors have Punch-Through protection (PTP) structures included to develop low impedance from the strip to the bias ring in case large voltages exceed some threshold that could damage the strip coupling capacitance. Previous...
U3DTHIN silicon is a proficient candidate for the particle analyzers for plasma diagnosis for the future ITER fusion reactor. The low full depletion of the 3D electrodes geometry implemented in these detectors as well as their low capacitances make them suitable for the tasks of ion detection they are being proposed in this work. Their electrical properties have been simulated in different configurations...
An ultra thin silicon detector called U3DTHIN[1,2] has been designed and built for neutral particle analyzers (NPA) and thermal neutron detection. The main purpose of this detector is to provide a state-of-the-art solution for detector system of NPAs for the ITER experimental reactor and to be used in combination with a Boron conversion layer for the detection of thermal neutrons. Currently the NPAs...
A portable system has been developed for the detection of neutrons. The sensing element is a silicon radiation detector with a Boron-based converter material that detects neutrons with the 10B(n, α)7 Li reaction. The detector response has been simulated with the MCNPX Monte-Carlo software and the detector geometry has been optimized. A portable readout electronics has been built to operate the detector...
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