R. Donghia

ORCID: 0000-0003-3536-7147
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About
Contact & Profiles
Research Areas
  • Particle Detector Development and Performance
  • Radiation Detection and Scintillator Technologies
  • Neutrino Physics Research
  • Muon and positron interactions and applications
  • Particle physics theoretical and experimental studies
  • Nuclear Physics and Applications
  • Radiation Therapy and Dosimetry
  • Radiation Effects in Electronics
  • Quantum Chromodynamics and Particle Interactions
  • High-Energy Particle Collisions Research
  • Cultural Heritage Materials Analysis
  • X-ray Spectroscopy and Fluorescence Analysis
  • Superconducting Materials and Applications
  • Conservation Techniques and Studies
  • Superconducting and THz Device Technology
  • Adsorption, diffusion, and thermodynamic properties of materials
  • Plant Physiology and Cultivation Studies
  • Scientific Research and Philosophical Inquiry
  • Child Development and Digital Technology
  • Radiation Effects and Dosimetry
  • Science Education and Pedagogy
  • Botany and Plant Ecology Studies
  • Advanced Semiconductor Detectors and Materials
  • Greenhouse Technology and Climate Control
  • Mobile Learning in Education

Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
2015-2024

Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran Sasso
2024

University of Ferrara
2024

Istituto Nazionale di Fisica Nucleare
2017-2022

Yale University
2019-2021

Joint Institute for Nuclear Research
2021

California Institute of Technology
2021

Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
2017-2021

Istituto Nazionale di Fisica Nucleare, Sezione di Lecce
2021

Fermi National Accelerator Laboratory
2021

X-ray fluorescence (XRF) is a successful technique often used for the elemental analysis of cultural heritage artefacts. It non-invasive, equipment can be miniaturized and made portable it allows addressing crucial issues such as fabrication technology, authenticity provenance Depending on components’ selection (e.g., primary source, detector focusing optics, if present), analytical performance consequent suitability to investigate given class materials may vary significantly. The present...

10.3390/condmat9010001 article EN cc-by Condensed Matter 2024-01-06

The HOmogeneous Thermal NEutron Source (HOTNES) is a new type of thermal neutron irradiation assembly developed by the ENEA-INFN collaboration. facility fully characterized in terms field and dosimetric quantities, either computational experimental methods. This paper reports results first "HOTNES users program"", carried out 2016, covering variety active detectors such as scintillators, solid-state, single crystal diamond gaseous detectors.

10.1088/1748-0221/12/12/p12029 article EN Journal of Instrumentation 2017-12-19

This paper describes the measurements of energy and time response resolution a 3 x array made undoped CsI crystals coupled to large area Hamamatsu Multi Pixel Photon Counters. The have been performed using electron beam Beam Test Facility in Frascati (Rome, Italy) range 80-120 MeV. measured resolution, estimated with FWHM, at 100 MeV is 16.4%. dominated by leakage due small dimensions prototype. reconstructed fitting leading edge digitized signals applying digital constant fraction...

10.1088/1748-0221/12/05/p05007 article EN Journal of Instrumentation 2017-05-11

The Mu2e experiment at Fermilab searches for the charged-lepton flavour violating (CLFV) conversion of a negative muon into an electron in field aluminum nucleus, with distinctive signature mono-energetic energy slightly below rest mass (104.967 MeV). goal is to improve by four orders magnitude search sensitivity respect previous experiments. Any observation CLFV signal will be clear indication new physics. detector composed tracker, electro- magnetic calorimeter and external veto cosmic...

10.1109/tns.2018.2790702 article EN publisher-specific-oa IEEE Transactions on Nuclear Science 2018-01-08

The Mu2e experiment is constructing a calorimeter consisting of 1,348 undoped CsI crystals in two disks. Each crystal has dimension 34 x 200 mm, and readout by large area silicon PMT array. A series technical specifications was defined according to physics requirements. Preproduction were procured from three firms: Amcrys, Saint-Gobain Shanghai Institute Ceramics. We report the quality assurance on crystal's scintillation properties their radiation hardness against ionization dose neutrons....

10.1109/tns.2017.2786081 article EN IEEE Transactions on Nuclear Science 2017-12-21

Background: Heavy charged particles after nuclear muon capture are an important physics background to the muon-to-electron conversion experiments Mu2e and COMET, which will search for lepton flavor violation at unprecedented level of sensitivity.Purpose: The AlCap experiment aimed measure yield energy spectra protons, deuterons, tritons, $\ensuremath{\alpha}$ emitted muons stopped in Al, Si, Ti low-energy range relevant experiments.Methods: Individual particle types were identified layered...

10.1103/physrevc.105.035501 article EN Physical review. C 2022-03-28

10.1016/j.nima.2015.11.042 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2015-11-22

The Mu2e experiment at Fermilab looks for Charged Lepton Flavor Violation (CLFV) improving by 4 orders of magnitude the current experimental sensitivity muon to electron conversion in a muonic atom. A positive signal could not be explained framework Standard Model particle interactions and therefore would clear indication new physics. In 3 years data taking, is expected observe less than one background event mimicking coming from conversion. Achieving such level suppression requires deep...

10.1088/1748-0221/12/01/c01061 article EN Journal of Instrumentation 2017-01-23

The Mu2e calorimeter consists of 1348 pure CsI crystals coupled to two large area UV-extended Silicon Photomultipliers (SiPMs) organized in separate annular disks. An intense R&D phase has been pursued check if this configuration satisfies the requirements. In May 2017, a dedicated test performed at Beam Test Facility (BTF) Frascati (Italy) where prototype (Module-0) exposed an electron beam energy range between 60 and 120 MeV. 51 crystals, each one readout by SiPMs. We present results for...

10.1088/1742-6596/1162/1/012027 article EN Journal of Physics Conference Series 2019-01-01

We report on the design and performance of Digitizer ReAdout Controller (DIRAC) Mu2e electromagnetic calorimeter, which consists a 670 CsI crystals matrix readout by SiPM. The 20-channels DIRAC performs 200 MHz sampling SiPM signals transmitted front-end electronics. Operation in hostile environment expected Total Ionizing Dose (TID) 12 Krad neutron fluence 5x10 10 n/cm 2 @ 1 MeV eq (Si)/y, 1T magnetic field, level vacuum -4 Torr has made challenging. describe design, specifications,...

10.22323/1.370.0119 article EN cc-by-nc-nd 2020-03-09

In this paper, we report the measurement of neutron radiation hardness custom Silicon Photomultipliers arrays (SiPMs) manufactured by three companies: Hamamatsu (Japan), AdvanSiD (Italy) and SensL (Ireland). These SiPMs consist a 2×3 array 6×6 mm2 monolithic cells with pixel sizes respectively 50 μm (Hamamatsu SensL) 30 (AdvanSiD). A sample from each vendor has been exposed to neutrons generated Elbe Positron Source facility (Dresden), up total fluence ∼ 8.5 × 1011 n1 MeV/cm2. Test results...

10.1088/1748-0221/13/03/t03005 article EN Journal of Instrumentation 2018-03-26

The Mu2e calorimeter is composed by 1400 un-doped CsI crystals coupled to large area UV extended Silicon Photomultipliers arranged in two annular disks. This has provide precise information on energy, timing and position. It should also be fast enough handle the high rate background it must operate survive a radiation environment. Simulation studies estimated that, hottest regions, each crystal will absorb dose of 300 Gy exposed neutron fluency 6 × 1011 n/cm2 3 years running.

10.1088/1742-6596/928/1/012041 article EN Journal of Physics Conference Series 2017-11-01

The Mu2e calorimeter is composed of 1400 un-doped CsI crystals, coupled to large area UV extended Silicon Photomultipliers (SiPMs), arranged in two annular disks. This has provide precise information on energy, timing and position resolutions. It should also be fast enough handle the high rate background it must operate survive radiation environment. Simulation studies estimated that, highest irradiated regions, each photo-sensor will absorb a dose 20 krad exposed neutron fluency 5.5×1011n1...

10.1088/1748-0221/12/02/c02022 article EN Journal of Instrumentation 2017-02-07

The Mu2e experiment at Fermilab will search for Charged Lepton Flavor Violating conversion of a muon to an electron in atomic field. detector is composed tracker, electromagnetic calorimeter and external system, surrounding the solenoid, veto cosmic rays. plays important role provide: a) excellent particle identification capabilities; b) fast trigger filter; c) easier tracker track reconstruction. Two disks, located downstream contain 674 pure CsI crystals each. Each crystal read out by two...

10.1088/1748-0221/13/02/c02037 article EN Journal of Instrumentation 2018-02-22

The Mu2e experiment at Fermilab will search for the charged lepton flavor violating neutrino-less conversion of a negative muon into an electron in field aluminum nucleus [1], [2]. detector is comprised tracker, electromagnetic calorimeter, and external veto cosmic rays. calorimeter plays important role providing excellent particle identification capabilities, fast online trigger filter while aiding track reconstruction capabilities. requirements are to provide large acceptance 100-MeV...

10.1109/tns.2020.2988422 article EN publisher-specific-oa IEEE Transactions on Nuclear Science 2020-04-16

Abstract X-ray fluorescence (XRF) is a technique frequently used for the elemental analysis of cultural heritage materials. Depending on components selection (i.e. primary source, detector and focusing optics, if present), analytical performance spectrometer, its consequent suitability given purpose, may vary considerably. In this paper, we compare four different devices, two commercial expressly designed by authors, consider figures merit: limit detection (LOD) standard error regression...

10.1088/1742-6596/2204/1/012025 article EN Journal of Physics Conference Series 2022-04-01

INFN Kids is a science education project of the Italian National Institute for Nuclear Physics addressed to young people Primary and Middle schools age. The initiative aims at raising children’s curiosity towards with focus on Physics, inspiring them by illustrating different research fields that pursuing, development in technologies along applications everyday life presenting who animate science. It gathers technicians researchers thirteen units labs design realization multimedia products,...

10.22323/1.449.0658 article EN cc-by-nc-nd Proceedings of The European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2021) 2024-02-04
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