F. Napolitano
A5108167530- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Particle Detector Development and Performance
- Quantum Chromodynamics and Particle Interactions
- Dark Matter and Cosmic Phenomena
- Computational Physics and Python Applications
- Cosmology and Gravitation Theories
- Neutrino Physics Research
- Atomic and Subatomic Physics Research
- Radiation Detection and Scintillator Technologies
- Nuclear Physics and Applications
- Noncommutative and Quantum Gravity Theories
- Ionosphere and magnetosphere dynamics
- High-pressure geophysics and materials
- Quantum Mechanics and Applications
- Advanced Semiconductor Detectors and Materials
- Black Holes and Theoretical Physics
- Distributed and Parallel Computing Systems
- Radioactive Decay and Measurement Techniques
- Astrophysics and Cosmic Phenomena
- Medical Imaging Techniques and Applications
- Particle Accelerators and Free-Electron Lasers
- Geophysics and Gravity Measurements
- Nuclear physics research studies
- Advanced X-ray and CT Imaging
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
2020-2025
Istituto Nazionale di Fisica Nucleare
2021-2025
Heidelberg University
2018-2024
Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering
2021-2023
Pontificia Universidad Católica de Chile
2021-2023
The University of Adelaide
2018-2022
Stefan Meyer Institute for Subatomic Physics
2021-2022
Enrico Fermi Center for Study and Research
2021-2022
Technical University of Munich
2022
Politecnico di Milano
2021-2022
The SIDDHARTA-2 collaboration is performing research in the field of kaonic atoms spectroscopy. In this work, following an introduction on and their importance for development low-energy strong interaction theories, first result experiment (kaonic helium) presented. This measurement was promising view main goal experiment, i.e. deuterium transitions to 1s level, important model kaon-nucleon interaction. last part paper future plans measure new key quantities with beyond stat-of-the-art...
High-Precision X-ray Measurements 2023 is a Special Issue of the journal Condensed Matter enclosing scientific content (HPXRM) conference [...]
A large area silicon drift detectors (SDDs) system and its readout electronics have been developed by the SIDDHARTA-2 Collaboration, aiming to perform high-precision light kaonic atoms x-ray spectroscopy for investigation of strong interaction in low-energy QCD regime. To these measurements, a linear energy response good resolution are mandatory requirements system, be preserved along whole DAQ (analog digital) chain; such task is made even harder experimental environment particles...
Abstract The current work presents the optimization of large area silicon drift detectors developed by SIDDHARTA-2 collaboration for high precision x-ray measurements light exotic atom transitions. Two different radiation sources were employed in study: an tube, investigating energy resolution and charge collection efficiency device range 4000 eV–13 000 eV, a β − 90 Sr radioactive source measuring timing response, thus qualifying parameters inside semiconductor. study reports spectroscopic...
Pauli exclusion principle (PEP) violations induced by space-time noncommutativity, a class of universality for several models quantum gravity, are investigated the VIP-2 Lead experiment at Gran Sasso underground National Laboratory INFN. The experimental bound on noncommutative scale $\mathrm{\ensuremath{\Lambda}}$ excludes $\ensuremath{\theta}$-Poincar\'e far above Planck non anishing ``electriclike'' components ${\ensuremath{\theta}}_{\ensuremath{\mu}\ensuremath{\nu}}$, and up to...
The most important information still missing in the field of low-energy antikaon-nucleon inter actions studies is experimental determination hadronic energy shift and width kaonic deuterium. This measurement will be performed by SIDDHARTA-2 experiment, installed at DAΦNE collider presently data taking campaign. precise 1s level with respect to purely electromagnetic calculated values, generated presence strong interaction, through X-ray transitions this level, hydrogen, was SIDDHARTA...
The SIDDHARTINO experiment at the DA{\Phi}NE Collider of INFN-LNF, pilot run for SIDDHARTA-2 which aims to perform measurement kaonic deuterium transitions fundamental level, has successfully been concluded. paper reports main results this run, including optimization various components apparatus, among degrader needed maximize fraction kaons stopped inside target, through measurements helium 2p level. obtained shift and width values are {\epsilon}_2p = E_exp-E_e.m 0.2 {\pm} 2.5(stat) 2(syst)...
Violations of the Pauli Exclusion Principle (PEP), albeit small, could be motivated by physics beyond Standard Model, ranging from violation Lorentz invariance to extra space dimensions. This scenario can experimentally constrained through dedicated, state-of-the-art X-ray spectroscopy, searching for a forbidden atomic transition L shell K already occupied two electrons. The VIP-2 Experiment located at underground Gran Sasso National Laboratories INFN (Italy) tests PEP violations introducing...
Investigations of possible violations the Pauli exclusion principle represent critical tests microscopic space-time structure and properties. Space-time noncommutativity provides a class universality for several quantum gravity models. In this context VIP-2 lead experiment sets strongest bounds, searching violating atomic transitions in lead, excluding θ-Poincaré noncommutative models far above Planck scale nonvanishing θ_{μν} electriclike components, up to 6.9×10^{-2} scales if θ_{0i}=0.
Abstract The SIDDHARTA-2 experiment at the DAΦNE collider aims to perform first kaonic deuterium x-ray transitions fundamental level measurement, with a systematic error of few eV. To achieve this challenging goal experimental apparatus is equipped 384 Silicon Drift Detectors (SDDs) distributed around its cryogenic gaseous target. SDDs developed by collaboration are suitable for high precision atoms spectroscopy, thanks their energy and time resolutions combined radiation hardness. response...
Abstract The Istituto Nazionale di Fisica Nucleare—Laboratori Nazionali del Gran Sasso (LNGS) is one of the largest underground physics laboratory, a very peculiar environment suited for experiments in Astroparticle Physics, Nuclear Physics and Fundamental Symmetries. newly established Bellotti Ion Beam facility represents major advance possibilities studying nuclear processes an environment. A workshop was organized at LNGS framework Mid Term Plan Italy, initiative Division Instituto...
Abstract In this paper we present the results of a new kaonic helium-4 measurement with 1.37 g l −1 gaseous target by SIDDHARTA-2 experiment at DAΦNE collider. We measured, for first time, energies and yields three transitions belonging to M-series. Moreover, improved factor about three, statistical precision 2p level energy shift width induced strong interaction, obtaining most precise helium, measured yield L α transition employed density, providing experimental input investigate density...
Kaonic atoms are an extremely efficient tool to investigate the strong interaction at low energy Frontier, since they provide direct access K − N threshold, eliminating necessity for extrapolation, unlike in case of scattering experiments. During 1970s and 1980s, extensive studies were performed on kaonic spanning across a broad spectrum elements periodic table, ranging from lithium uranium. These measurements provided inputs constraints theoretical description antikaon-nuclei potential....
A large-area silicon drift detectors (SDDs) system has been developed by the SIDDHARTA-2 collaboration for high precision light kaonic atom X-ray spectroscopy at DAΦNE collider of Istituto Nazionale di Fisica Nucleare—Laboratori Nazionali Frascati. The SDDs’ geometry and electric field configuration, combined with their read-out electronics, make these devices suitable performing measurements in background collider. This work presents spectroscopic response SDDs during first exotic atoms run...
The aim of the SIDDHARTA-2 experiment is to perform first measurement ever width and shift induced by strong interaction 2p→1s energy transition kaonic deuterium. This ambitious goal implies a challenging task due very low X-ray yield deuterium, which why an accurate thorough characterization experimental apparatus mandatory before starting data-taking campaign. Helium-4 excellent candidate for this since it exhibits high in particular 3d→2p transition, roughly 100 times greater than that...
Utilizing a dispersive crystal for X-ray Emission Spectroscopy (XES) significantly enhances the energy resolution when compared with spectroscopy performed just silicon drift detectors. This high is particularly valuable studying metals, as it offers essential insights into their electronic structures and chemical environments. Conducting such experiments in laboratory, opposed to synchrotron light sources, presents challenges due reduced intensities of tubes and, consequently, low signal...
In this work, we report on tests performed with an experimental apparatus prototype based a broad-energy germanium detector aimed at investigating topical, foundational issues in quantum mechanics: i.e., possible violations of the spin-statistics connection and models dynamical wave function collapse. Our recent phenomenological analyses demonstrated importance pushing research new physics signal, predicted these fields, to energy range below 10 keV. We describe development dedicated data...
In this paper, an overview of kaonic atoms studies from the late 90s to nowadays at DAΦNE collider INFN-LNF is presented.Experiments on are important tool test and optimize phenomenological models low-energy strong interaction.Since its construction, has represented ideal machine perform measurements, thanks unique beam kaons coming ϕs produced in decays.The DEAR SIDDHARTA experiments achieved precise evaluation shift width 2p → 1s transition hydrogen due interaction, thus provided a...
In this work, we present an innovative calibration technique leveraging differentiable programming to enhance energy resolution and reduce the scale systematic uncertainty in X-ray spectroscopic experiments. This approach is demonstrated using synthetic data applicable general various measurements. method extends scope of for calibration, employing Kernel Density Estimation (KDE) achieve a target Probability Function (PDF) fully model calibration. To assess effectiveness conduct toy...
The VIP collaboration is performing high sensitivity tests of the Pauli Exclusion Principle for electrons in extremely low cosmic background environment underground Gran Sasso National Laboratory INFN (Italy). In particular, VIP-2 Open Systems experiment was conceived to put strong constraints on those violation models which respect so-called Messiah–Greenberg superselection rule. experimental technique consists introducing a direct current copper conductor, and searching X-rays emission...
Modern physics lays its foundations on the pillars of Quantum Mechanics (QM), which has been proven successful to describe microscopic world atoms and particles, leading construction Standard Model. Despite big success, old open questions at very heart, such as measurement problem wave function collapse, are still open. Various theories consider scenarios could encompass a departure from predictions standard QM, extra-dimensions or deformations Lorentz/Poincaré symmetries. At Italian...