A5008348976- Particle physics theoretical and experimental studies
- Nuclear physics research studies
- Quantum Chromodynamics and Particle Interactions
- Particle Detector Development and Performance
- Nuclear Physics and Applications
- Neutrino Physics Research
- Radiation Detection and Scintillator Technologies
- High-Energy Particle Collisions Research
- Advanced NMR Techniques and Applications
- Particle accelerators and beam dynamics
- Atomic and Subatomic Physics Research
- Atomic and Molecular Physics
- Radiation Effects in Electronics
- Advanced Chemical Physics Studies
- Muon and positron interactions and applications
- Superconducting Materials and Applications
- Dark Matter and Cosmic Phenomena
- Quantum, superfluid, helium dynamics
- Particle Accelerators and Free-Electron Lasers
- Nuclear reactor physics and engineering
- Radioactive Decay and Measurement Techniques
- CCD and CMOS Imaging Sensors
- Mass Spectrometry Techniques and Applications
- Scientific Research and Discoveries
- Inorganic Fluorides and Related Compounds
Istituto Nazionale di Fisica Nucleare, Sezione di Torino
2016-2025
Istituto Nazionale di Fisica Nucleare
1991-2024
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Sud
2017-2024
University of Catania
2024
Campbell Collaboration
2020-2023
Polytechnic University of Turin
1995-2021
University of Turin
1997-2020
United States Naval Research Laboratory
2005-2017
Collegio Carlo Alberto
2004-2011
High Energy Accelerator Research Organization
2009
We have searched for a deeply bound kaonic state by using the FINUDA spectrometer installed at e+e− collider DAΦNE. Almost monochromatic K−’s produced through decay of ϕ(1020) mesons are used to observe K− absorption reactions stopped on very thin nuclear targets. Taking this unique advantage, we succeeded detect kaon-bound K−pp its two-body into Λ hyperon and proton. The binding energy width determined from invariant-mass distribution as 115+6−5(stat)+3−4(syst) MeV 67+14−11(stat)+2−3(syst)...
Background: Charge-exchange (CE) reactions offer a major opportunity to excite nuclear isovector modes, providing important clues about the interaction in medium. Moreover, double charge-exchange are proving be tempting tool access transition matrix elements (NMEs) related beta-decay processes. The latter also of crucial importance extract neutrino properties from half-life hypothetical neutrinoless beta decay and search for physics beyond standard model.Purpose: Through multichannel...
Background: Single-charge-exchange reactions are appropriate tools to study the nuclear response one-particle/one-hole isospin probes, gaining additional interest from connection beta decay. This analogy has been recently extended second order, connecting double-charge-exchange and double decays. Nowadays, availability of powerful experimental setups advanced theories models allows one access precious information on key structure aspects embedded in widely sought neutrinoless decay.Purpose:...
Background: In recent years, the NUMEN project has highlighted that systematic study of double charge exchange (DCE) nuclear reactions could provide precious information on matrix elements neutrinoless $\ensuremath{\beta}$ decay. To achieve this goal, a multichannel approach was adopted, where plethora different reaction channels is measured under same experimental conditions and analyzed in coherent framework. context, initial (ISI) final (FSI) state interactions are fundamental building...
Background: A systematic exploration of one-nucleon transfer reactions induced by the ($^{18}\mathrm{O},^{19}\mathrm{F}$) and ($^{18}\mathrm{O},^{17}\mathrm{O}$) on different targets ($^{12}\mathrm{C}, ^{16}\mathrm{O}, ^{27}\mathrm{Al}, ^{40}\mathrm{Ca}, ^{48}\mathrm{Ti}, ^{76}\mathrm{Se}, ^{116}\mathrm{Sn}$) is being performed at Istituto Nazionale di Fisica Nucleare--Laboratori Nazionali del Sud (INFN-LNS) beam energies higher than Coulomb barrier. featured aspect adoption a multichannel...
Evidence for the neutron-rich hypernucleus $_{\ensuremath{\Lambda}}^{6}\mathrm{H}$ is presented from FINUDA experiment at $\mathrm{DA}\ensuremath{\Phi}\mathrm{NE}$, Frascati, studying $({\ensuremath{\pi}}^{+},{\ensuremath{\pi}}^{\ensuremath{-}})$ pairs in coincidence ${K}_{\mathrm{stop}}^{\ensuremath{-}}+^{6}\mathrm{Li}\ensuremath{\rightarrow}_{\ensuremath{\Lambda}}^{6}\mathrm{H}+{\ensuremath{\pi}}^{+}$ production reaction followed by...
Background: Heavy-ion induced two-nucleon transfer reactions are powerful tools to reveal peculiar aspects of the atomic nucleus, such as pairing correlations, single-particle and collective degrees freedom, more. Also, these processes in competition with direct meson exchange double charge reactions, which have recently attracted great interest due their possible connection neutrinoless double-\ensuremath{\beta} decay. In this framework, exploration $^{20}\mathrm{Ne}+^{116}\mathrm{Cd}$...
The 40 Ca( 18 O, F) K single charge exchange (SCE) reaction is explored at an incident energy of 275 MeV and analyzed consistently by collecting the elastic scattering inelastic data under same experimental conditions. Full quantum-mechanical SCE calculations direct mechanism are performed including microscopic nuclear structure inputs adopting either a bare optical potential or coupled channel equivalent polarization (CCEP) constrained data. describes magnitude shape angular distributions...
Single-nucleon transfer reactions are processes that selectively probe single-particle components of the populated many-body nuclear states. In this context, recent efforts have been made to build a unified description rich spectroscopy accessible in heavy-ion collisions. An example multichannel approach is study competition between successive nucleon and charge exchange reactions, latter being particular interest context single double beta decay studies. To extent, one-proton pickup...
Double charge exchange (DCE) reactions could provide experimentally driven information about nuclear matrix elements of interest in the context neutrinoless double-β decay. To achieve this goal, a detailed description reaction mechanism is mandatory. This requires full characterization initial and final-state interactions, which are poorly known for many projectile-target systems involved future DCE studies. Among these, we intend to study 20Ne + 130Te 18O 116Sn at 15.3 AMeV, particularly...
NUMEN proposes an innovative technique to access the nuclear matrix elements entering expression of lifetime double beta decay by cross-section measurements heavy-ion induced Double Charge Exchange (DCE) reactions. Despite fact that two processes, namely neutrinoless and DCE reactions, are triggered weak strong interaction respectively, important analogies suggested. The basic point is coincidence initial final state many-body wave functions in types processes formal similarity transition...
Purpose: We want to analyze transitions low-lying excited states of the residual and ejectile nuclei in 76Se(18O, 17O) 77Se one-neutron stripping reaction at 275-MeV incident energy determine role single-particle core excitation description measured cross sections. In addition, we explore sensitivity calculated section different nuclear structure models. Methods: The spectrum differential cross-section angular distributions are using MAGNEX large acceptance magnetic spectrometer for...
Abstract The Cleopatra ASIC is a 12-channel prototype for the readout of hydrogenated amorphous silicon sensors used real-time dosimetry in radiation diagnostic and therapy. architecture based on current to frequency conversion recycling integrator principle order cover dynamic range four orders magnitude with high linearity. Three different input amplifier configurations have been implemented check trade-off between detector capacitance maximum output frequency. has designed CMOS 28 nm...
Hydrogenated amorphous silicon (a-Si:H) devices on flexible substrates are currently being studied for application in dosimetry and beam flux measurements. The necessity of vivo requires thin with maximal transparency flexibility. For this reason, a (<10 µm) a-Si:H device deposited polyimide sheet is very valid option application. Furthermore, material that has an intrinsically high radiation hardness. In order to develop these devices, the HASPIDE (Hydrogenated Amorphous Silicon Pixel...
In a successful engineering run, the Heavy Photon Search Collaboration demonstrates that its upcoming heavy photon search experiment will be able to probe so far unexplored parameter regions in for dark photons.
Background: Double charge exchange (DCE) nuclear reactions have recently attracted much interest as tools to provide experimentally driven information about matrix elements of in the context neutrinoless double-$\ensuremath{\beta}$ decay. In this framework, a good description reaction mechanism and complete knowledge initial final-state interactions are mandatory. Presently, not enough is known details optical potentials response isospin operators for many projectile-target systems proposed...
Neutrinos are so far the most elusive known particles, and in last decades many sophisticated experiments have been set up order to clarify several questions about their intrinsic nature, particular masses, mass hierarchy, nature of Majorana or Dirac particles. Evidence Neutrinoless Double-Beta Decay (NDBD) would prove that neutrinos thus improving understanding universe itself. Besides search for large underground direct experimental detection NDBD, NUMEN experiment proposes investigation a...
The search for neutrinoless double-beta (0νββ) decay is currently a key topic in physics, due to its possible wide implications nuclear particle and cosmology. NUMEN project aims provide experimental information on the matrix elements (NMEs) that are involved expression of 0νββ half-life by measuring cross section double-charge exchange (DCE) reactions. has already demonstrated feasibility these tiny sections some nuclei interest using superconducting cyclotron (CS) MAGNEX spectrometer at...
We report stopping powers of hydrogen and helium for antiprotons kinetic energies ranging from about 0.5 keV to 1.1 MeV. The Barkas effect, i.e., a difference in the power protons same energy material, shows up clearly either gases. Moreover, below \ensuremath{\approx}0.5 there is indirect evidence an increase antiproton power. This "nuclear" losses quasimolecular interactions, fair agreement with theoretical predictions.