M. De Napoli
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View article: Systematic Study of Silicon Carbide Detectors and Beam Current Transformer Signals for UHDR Single Electron Pulse Monitoring
Systematic Study of Silicon Carbide Detectors and Beam Current Transformer Signals for UHDR Single Electron Pulse Monitoring Open
The use of ultra-high dose rate beams (UHDR) (> 40 Gy/s) for radiotherapy, despite its advantage of exhibiting the FLASH effect that improves the sparing of healthy tissues, faces challenges in dosimetry and beam monitoring since standard …
View article: SiC free-standing membrane for X-ray intensity monitoring in synchrotron radiation beamlines
SiC free-standing membrane for X-ray intensity monitoring in synchrotron radiation beamlines Open
For many synchrotron radiation experiments, it is critical to perform continuous, real-time monitoring of the X-ray flux for normalization and stabilization purposes. Traditional transmission-mode monitors included metal mesh foils and ion…
View article: Comprehensive dosimetric characterization of novel silicon carbide detectors with UHDR electron beams for FLASH radiotherapy
Comprehensive dosimetric characterization of novel silicon carbide detectors with UHDR electron beams for FLASH radiotherapy Open
Background : The extremely fast delivery of doses with ultra high dose rate (UHDR) beams necessitates the investigation of novel approaches for real‐time dosimetry and beam monitoring. This aspect is fundamental in the perspective of the c…
View article: Silicon carbide detectors for dosimetry and monitoring of ultra-high dose rate beams
Silicon carbide detectors for dosimetry and monitoring of ultra-high dose rate beams Open
FLASH radiotherapy, which employs ultra-high dose rate (UHDR) beams with a mean dose rate > 40 Gy/s and a total irradiation time < 200 ms to treat tumors, exhibits remarkable ability to spare healthy tissue while maintaining the same effic…
View article: Single-Ion Counting with an Ultra-Thin-Membrane Silicon Carbide Sensor
Single-Ion Counting with an Ultra-Thin-Membrane Silicon Carbide Sensor Open
In recent times, ion implantation has received increasing interest for novel applications related to deterministic material doping on the nanoscale, primarily for the fabrication of solid-state quantum devices. For such applications, preci…
View article: The BDX experiment at Jefferson Laboratory
The BDX experiment at Jefferson Laboratory Open
The Beam Dump Experiment (BDX) at Jefferson Laboratory (JLab) is an electron-beam thick-target experiment to search for Light Dark Matter (LDM) particles in the MeV-GeV mass range. BDX will exploit the high-intensity 10.6 GeV $e^-$ beam fr…
View article: Dark matter search with the BDX-MINI experiment
Dark matter search with the BDX-MINI experiment Open
BDX-MINI is a beam dump experiment optimized to search for light dark matter produced in the interaction of the intense CEBAF 2.176 GeV electron beam with the Hall A beam dump at Jefferson Lab. The BDX-MINI detector consists of a PbWO4 ele…
View article: SiC detectors: A review on the use of silicon carbide as radiation detection material
SiC detectors: A review on the use of silicon carbide as radiation detection material Open
Silicon Carbide (SiC) is a wide bandgap semiconductor with many excellent properties that make it one of the most promising and well-studied materials for radiation particle detection. This review provides an overview of the main advantage…
View article: The Heavy Photon Search Experiment
The Heavy Photon Search Experiment Open
The Heavy Photon Search (HPS) experiment is designed to search for a new vector boson $A^\prime$ in the mass range of 20 MeV/$c^2$ to 220 MeV/$c^2$ that kinetically mixes with the Standard Model photon with couplings $ε^2 >10^{-10}$. In ad…
View article: A Direct Detection Search for Hidden Sector New Particles in the 3-60 MeV Mass Range
A Direct Detection Search for Hidden Sector New Particles in the 3-60 MeV Mass Range Open
In our quest to understand the nature of dark matter and discover its non-gravitational interactions with ordinary matter, we propose an experiment using a \pbo ~calorimeter to search for or set new limits on the production rate of i) hidd…
View article: An experimental program with high duty-cycle polarized and unpolarized positron beams at Jefferson Lab
An experimental program with high duty-cycle polarized and unpolarized positron beams at Jefferson Lab Open
Positron beams, both polarized and unpolarized, are identified as important ingredients for the experimental programs at the next generation of lepton accelerators. In the context of the hadronic physics program at Jefferson Lab (JLab), po…
View article: e$^+$@JLab White Paper: An Experimental Program with Positron Beams at Jefferson Lab
e$^+$@JLab White Paper: An Experimental Program with Positron Beams at Jefferson Lab Open
Positron beams, both polarized and unpolarized, are identified as essential ingredients for the experimental program at the next generation of lepton accelerators. In the context of the Hadronic Physics program at the Jefferson Laboratory …
View article: The BDX detector prototype for dark matter searches in a Beam Dump eXperiment at JLAB
The BDX detector prototype for dark matter searches in a Beam Dump eXperiment at JLAB Open
The Beam Dump eXperiment (BDX) is an electron-beam thick-target experiment aimed to investigate the existence of light dark matter particles in the MeV-GeV mass range at Jefferson Lab. A small-scale prototype (BDX-Proto) of the BDX detecto…
View article: Physics with Positron Beams at Jefferson Lab 12 GeV
Physics with Positron Beams at Jefferson Lab 12 GeV Open
Positron beams, both polarized and unpolarized, are identified as essential ingredients for the experimental program at the next generation of lepton accelerators. In the context of the Hadronic Physics program at the Jefferson Laboratory …
View article: Production and Detection of Light Dark Matter at Jefferson Lab: The BDX Experiment
Production and Detection of Light Dark Matter at Jefferson Lab: The BDX Experiment Open
The Beam Dump eXperiment (BDX) is a an electron-beam thick-target experiment aimed to investigate the existence of light Dark Matter particles in the MeV-GeV mass region at Jefferson Lab. The experiment will make use of a 10.6 GeV high-int…
View article: Thick-target inverse kinematic method in order to investigate alpha-clustering in<sup>212</sup>Po
Thick-target inverse kinematic method in order to investigate alpha-clustering in<sup>212</sup>Po Open
The inverse-kinematic thick-target method has been used in order to investigate 212 Po alpha-structure by the elastic scattering of 208 Pb on 4 He target. A 208 Pb beam, accelerated by the Superconducting Cyclotron (CS) of Laboratori Nazio…
View article: Novel Way to Search for Light Dark Matter in Lepton Beam-Dump Experiments
Novel Way to Search for Light Dark Matter in Lepton Beam-Dump Experiments Open
A novel mechanism to produce and detect light dark matter in experiments making use of GeV electrons (and positrons) impinging on a thick target (beam dump) is proposed. The positron-rich environment produced by the electromagnetic shower …
View article: Dark photon production through positron annihilation in beam-dump experiments
Dark photon production through positron annihilation in beam-dump experiments Open
High-energy positron annihilation is a viable mechanism to produce dark photons (A′). This reaction plays a significant role in beam-dump experiments using multi-GeV electron beams on thick targets by enhancing the sensitivity to A′ produc…
View article: Searching for a dark photon: project of the experiment at VEPP-3
Searching for a dark photon: project of the experiment at VEPP-3 Open
In this paper, we propose an experiment to search for a new gauge boson A' in $e^+e^-$ annihilation by means of a positron beam incident on a gas hydrogen target internal to the bypass at the VEPP-3 storage ring. The search method is based…
View article: Laser-accelerated ion beam diagnostics with TOF detectors for the ELIMED beam line
Laser-accelerated ion beam diagnostics with TOF detectors for the ELIMED beam line Open
Laser-accelerated ion beams could represent the future of particle acceleration in several multidisciplinary applications, as for instance medical physics, hadrontherapy and imaging field, being a concrete alternative to old paradigm of ac…
View article: The HPS experiment at JLab
The HPS experiment at JLab Open
Many Beyond-Standard-Model theories predict a new massive gauge boson, such as a ?dark? or ?heavy photon?. The heavy photon is expected to mix with the Standard Model photon through kinetic mixing and therefore have a small coupling to ele…
View article: Preliminary study of the<sup>10</sup>Li nucleus via one-neutron transfer
Preliminary study of the<sup>10</sup>Li nucleus via one-neutron transfer Open
The structure of the 10Li unbound nucleus is a subject of large interest and its description is nowadays a matter of debate. We have investigated this system using the d(9Li,p)10 Li one-neutron transfer reaction at 100 MeV in inverse kinem…