A5018936508- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Particle Detector Development and Performance
- Quantum Chromodynamics and Particle Interactions
- Radiation Detection and Scintillator Technologies
- CCD and CMOS Imaging Sensors
- Computational Physics and Python Applications
- Nuclear Physics and Applications
- Neutrino Physics Research
- Cosmology and Gravitation Theories
- Dark Matter and Cosmic Phenomena
- Nuclear reactor physics and engineering
- Radiation Therapy and Dosimetry
- Radiation Effects in Electronics
- Advanced Optical Sensing Technologies
- Advanced Semiconductor Detectors and Materials
- Electrical and Bioimpedance Tomography
- Semiconductor Lasers and Optical Devices
- Atomic and Subatomic Physics Research
- Plasma Diagnostics and Applications
- Advanced Fiber Optic Sensors
- Silicon Carbide Semiconductor Technologies
- Boron Compounds in Chemistry
- Electron and X-Ray Spectroscopy Techniques
- Advanced MEMS and NEMS Technologies
Istituto Nazionale di Fisica Nucleare, Sezione di Torino
2019-2025
University of Turin
2019-2025
Università degli Studi del Piemonte Orientale “Amedeo Avogadro”
2024-2025
University of Antwerp
2024
A. Alikhanyan National Laboratory
2024
Institute of High Energy Physics
2024
Istituto Nazionale di Fisica Nucleare
2021
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
2020-2021
Abstract This contribution presents a new version of the FAST (Fast Amplifier for Silicon detector Timing) ASICs, called FAST3, and more significant results from its characterization. The FAST3- Analog is 16-channel front-end electronic designed low power consumption, minimal noise, reduced temporal jitter, wide charge input range (3–40 fC). Developed in standard 110 nm CMOS technology, ASIC optimized to read out LGAD sensors timing tracking applications. was extensively characterized...
Abstract This paper presents the measurements on first very thin Ultra-Fast Silicon Detectors (UFSDs) produced by Fondazione Bruno Kessler; data have been collected in a beam test setup at CERN PS, using with momentum of 12 GeV/c. UFSDs nominal thickness 25 and 35 $$\mu$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>μ</mml:mi> </mml:math> m an area 1 $$\times$$ <mml:mo>×</mml:mo> $$\text {mm}^2$$ <mml:msup> <mml:mtext>mm</mml:mtext> <mml:mn>2</mml:mn> </mml:msup>...
A new development of radiation-resistant silicon sensors is presented. The exploit the Low-Gain Avalanche Diode (LGAD) technology, with internal multiplication charge carriers, in combination thin substrates, intrinsically less affected by radiation. An innovative design gain implant typical LGADs has been developed and fabricated, employing compensation acceptor donor dopants to reproduce effective doping dose standard LGAD sensors. At end 2022, Fondazione Bruno Kessler (Italy) delivered...
In the past few years, need of measuring accurately spatial and temporal coordinates particles generated in high-energy physics experiments has spurred a strong R\&D field silicon sensors. Within these research activities, so-called Ultra-Fast Silicon Detectors (UFSDs), sensors optimized for timing based on Low-Gain Avalanche Diode (LGAD) design, have been proposed adopted by CMS ATLAS collaborations their respective layers. The defining feature (UFSDs) is internal multiplication...
The basic principle of operation silicon sensors with resistive read-out is built-in charge sharing. Resistive Silicon Detectors (RSD, also known as AC-LGAD), exploiting the signals seen on electrodes surrounding impact point, achieve excellent space and time resolutions even very large pixels. In this paper, a TCT system using 1064 nm picosecond laser used to characterize RSD produced by Fondazione Bruno Kessler. paper first introduces parametrization errors in determination position...
Abstract The recently developed Low-Gain Avalanche Diode (LGAD) technology has gained growing interest within the high-energy physics (HEP) community, thanks to its capability of internal signal amplification that improves particle detection. Since next generation HEP experiments will require tracking detectors able efficiently operate in environments where expected fluences exceed 1 × 10 17 MeV n eq /cm 2 , design radiation-resistant becomes utmost importance. To this purpose, Technology...
The DC-coupled resistive silicon detectors (DC-RSD) are the evolution of AC-coupled RSD (RSD) design, both based on low-gain avalanche diode (LGAD) technology. DC-RSD design concept intends to address a few known issues present in RSDs (e.g., baseline fluctuation and long tail-bipolar signals) while maintaining their advantages signal spreading 100% fill factor). simulation presents several unique challenges linked complex nature its large pixel size. defining feature DC-RSD, charge sharing...
Abstract EXFLU1 is a new batch of radiation-resistant silicon sensors manufactured at Fondazione Bruno Kessler (FBK, Italy). The utilize thin substrates that remain operable even after extensive irradiation. They incorporate Low-Gain Avalanche Diode (LGAD) technology, enabling internal multiplication charge carriers to boost the small signal produced by particle crossing their active thicknesses, ranging from 15 45 μ m. To address current challenges related acceptor removal, production...
Abstract In this contribution we describe the second run of RSD (Resistive AC-Coupled Silicon Detectors) designed at INFN Torino and produced by Fondazione Bruno Kessler (FBK), Trento. are n -in- p detectors intended for 4D particle tracking based on LGAD technology that get rid any segmentation implant in order to achieve 100% fill-factor. They characterized three key-elements, (i) a continuous gain implant, (ii) resistive -cathode (iii) dielectric coupling layer deposited top, guaranteeing...
A directional neutron spectrometer called NCT-WES (Neutron Capture Therapy Wide Energy Spectrometer), conceived as a spectrometric beam monitor in capture therapy, was designed and prototyped. As other types of single moderator spectrometers, condenses the functionality Bonner Spheres embedding multiple thermal detectors previously optimized positions. is polyethylene cylinder with 36 cm diameter 41.5 height. To achieve sharply response, sensitive part shielded thick barrier made borated...
Abstract This paper describes the new concept of double LGAD (low-gain avalanche diodes). The goal was to increase charge at input electronics, keeping a time resolution equal or better than standard (single) LGAD; this has been realized by adding charges two coupled LGADs while still using single front-end electronics. study here reported done starting from with thickness 25 µm, 35 µm and 50 µm.
In this work the concept of a novel slow neutron collimator and way to operate it are presented. The idea is based on possibility decouple device field-of-view from its collimation power. A multi-channel geometry proposed consisting chess-board structure where highly neutron-absorbing channels alternated air channels. borated polymer was purposely developed produce attenuating components in form square-sectioned long rods. scalable multiple sectors can be arranged. geometrical parameter LD,...
Abstract Future particle trackers will have to measure concurrently position and time with unprecedented accuracy, aiming at ∼5 μm a few 10s ps resolution respectively. A promising good candidate for such task are the resistive AC-LGADs, solid state silicon sensors of novel design, characterized by an internal moderate gain AC-coupled read-out achieve signal sharing among pads. The sensor design leads drastic reduction in number channels, has intrinsic 100% fill factor, adapts easily any...
This paper presents a new version of the FAST family ASICs and its comparison with previous version. The design, FAST3, aims at timing jitter below 15 picoseconds when coupled to Ultra-Fast Silicon detectors (UFSD). FAST3 integrated circuit is designed in standard 110 nm CMOS technology; it comes two different versions: amplifier-comparator comprises 20 readout channels, while amplifier-only 16 channels. ASIC power rail +1.2 V, consumption for front-end stage 2.4 mW/ch about 5 output driver....
This paper presents the first determination of spatial resolution ANET Compact Neutron Collimator, obtained with a measuring campaign at LENA Mark-II TRIGA reactor in Pavia. novel collimator consists sequence collimating and absorbing channels organised chessboard-like geometry. It has scalable structure both length field view. is characterized by an elevated collimation power within limited length. Its scalability compactness are added values respect to traditional system. The prototype...
Abstract RSDs are LGAD silicon sensors with 100% fill factor, based on the principle of AC-coupled resistive read-out. Signal sharing and internal charge multiplication RSD key features to achieve picosecond-level time resolution micron-level spatial resolution, thus making these promising candidates as 4D-trackers for future experiments. This paper describes use a neural network reconstruct hit position ionizing particles, an approach that can boost performance respect analytical models....
This paper reports on the spatial and temporal resolutions of an RSD 450 microns pitch pixels array measured at DESY test beam facility. RSDs, Resistive Silicon Detectors, also known as AC-LGAD, achieve excellent position resolution by exploiting charge sharing among neighboring electrodes. The matrix used in this study is part second FBK production, RSD2, composed 450-micron with cross-shaped A 7-pixel was read out FAST2 ASIC, a 16-channel amplifier fully custom ASIC developed INFN Torino...