Marco Miliucci
A5086757243- Particle physics theoretical and experimental studies
- Quantum Chromodynamics and Particle Interactions
- High-Energy Particle Collisions Research
- Particle Detector Development and Performance
- Atomic and Subatomic Physics Research
- Radiation Detection and Scintillator Technologies
- X-ray Spectroscopy and Fluorescence Analysis
- Radioactive Decay and Measurement Techniques
- Noncommutative and Quantum Gravity Theories
- Nuclear Physics and Applications
- Dark Matter and Cosmic Phenomena
- Quantum Mechanics and Applications
- Muon and positron interactions and applications
- High-pressure geophysics and materials
- Black Holes and Theoretical Physics
- Ionosphere and magnetosphere dynamics
- Neutrino Physics Research
- Magnetic confinement fusion research
- Cold Atom Physics and Bose-Einstein Condensates
- Nuclear physics research studies
- Electron and X-Ray Spectroscopy Techniques
- Superconducting Materials and Applications
- Atomic and Molecular Physics
- Advanced Semiconductor Detectors and Materials
- Advanced Chemical Physics Studies
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
2016-2024
Istituto Nazionale di Fisica Nucleare
2018-2024
Agenzia Spaziale Italiana
2024
University of Rome Tor Vergata
2017-2022
Technical University of Munich
2022
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran Sasso
2022
Enrico Fermi Center for Study and Research
2020-2022
Stefan Meyer Institute for Subatomic Physics
2021-2022
Czech Academy of Sciences, Institute of Physics
2022
RIKEN
2021-2022
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 VIolation of Pauli exclusion principle -2 experiment, or VIP-2 at the Laboratori Nazionali del Gran Sasso searches for X-rays from copper atomic transitions that are prohibited by principle. Candidate direct violation events come transition a 2p electron to ground state is already occupied two electrons. From first data taking campaign in 2016 we determined best upper limit [Formula: see text] probability such exists. Significant improvement control experimental systematics was also...
Novel, large-area silicon drift detectors (SDDs) have been developed to perform precision measurements of kaonic atom X-ray spectroscopy, for the study K ¯ N strong interaction in low-energy regime. These devices special geometries, field configurations and read-out electronics, resulting excellent performances terms linearity, stability energy resolution. In this work SDDs response region between 4000 eV 12,000 is reported, revealing a stable linear within 1 good
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 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...
The validity of the Pauli Exclusion Principle, a building block Quantum Mechanics, is tested for electrons. VIP (VIolation exclusion principle) and its follow-up VIP-2 experiments at Laboratori Nazionali del Gran Sasso search x-rays from copper atomic transition that are prohibited by Principle. candidate events, if they exist, originate $2p$ orbit electron to ground state which already occupied two present limit on probability Principle violation electrons set experiment 4.7 $\times$ 10...
Kaonic atoms measure the antikaon-nucleus interaction at almost zero relative energy, allowing one to determine basic low-energy quantum chromodynamics (QCD) quantities, namely, antikaon-nucleon ( K ¯ N) scattering lengths. The latter are important for extracting sigma terms which built on symmetry breaking part of Hamiltonian, thereby providing a chiral and SU(3) symmetries breaking. After discussing their relations kaonic atoms, we describe most precise measurement in literature hydrogen,...
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....
The VIolation of Pauli (VIP) experiment (and its upgraded version, VIP-2) uses the Ramberg and Snow (RS) method (Phys. Lett. B 1990, 238, 438) to search for violations exclusion principle in Gran Sasso underground laboratory. RS consists feeding a copper conductor with high direct current, so that large number newly-injected conduction electrons can interact atoms possibly cascade electromagnetically an already occupied atomic ground state if their wavefunction has wrong symmetry respect...
In this work, the authors investigated MoO3 films with thickness between 30 nm and 1 μm grown at room temperature by solid phase deposition on polycrystalline Cu substrates. Atomic force microscopy, scanning electron tunneling microscopy revealed presence of a homogenous film “grainlike” morphology, while Raman spectroscopy showed an amorphous character film. Nanoindentation measurements evidenced coating hardness stiffness comparable copper substrate ones, Auger spectroscopy, x-ray...
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 Italian Space Agency plays a key role in the fulfillment of space missions, contributing to scientific, technological and economic progress Italy. agency accomplishes experiments by collaborating with scientific industrial entities, supporting them realization new projects able achieve, over last two decades, unprecedented results obtention fundamental information on birth evolution universe. paper describes selection X-ray technologies developed synergy between its principal...
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...
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...
High resolution Bragg spectroscopy from millimetric size sources has been performed in 6–20 keV range with the VOXES HAPG spectrometer.
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...