F. Cafagna
A5068386454- Dark Matter and Cosmic Phenomena
- Astrophysics and Cosmic Phenomena
- Particle physics theoretical and experimental studies
- Solar and Space Plasma Dynamics
- Particle Detector Development and Performance
- Neutrino Physics Research
- High-Energy Particle Collisions Research
- Astro and Planetary Science
- Ionosphere and magnetosphere dynamics
- Atomic and Subatomic Physics Research
- Quantum Chromodynamics and Particle Interactions
- Radiation Therapy and Dosimetry
- Atmospheric Ozone and Climate
- Radiation Detection and Scintillator Technologies
- Nuclear Physics and Applications
- Geomagnetism and Paleomagnetism Studies
- Gamma-ray bursts and supernovae
- Photocathodes and Microchannel Plates
- Scientific Research and Discoveries
- Muon and positron interactions and applications
- Radio Astronomy Observations and Technology
- Particle Accelerators and Free-Electron Lasers
- Spacecraft and Cryogenic Technologies
- Planetary Science and Exploration
- Superconducting Materials and Applications
Istituto Nazionale di Fisica Nucleare, Sezione di Bari
2015-2024
Istituto Nazionale di Fisica Nucleare
1992-2023
UniNettuno University
2023
Istituto Nazionale di Fisica Nucleare, Roma Tor Vergata
2023
Polytechnic University of Bari
2008-2021
University of Bari Aldo Moro
2009-2019
Bulgarian Academy of Sciences
2019
Agenzia Spaziale Italiana
2019
Institute for Nuclear Research and Nuclear Energy
2019
Chiba University
2018
Protons and helium nuclei are the most abundant components of cosmic radiation. Precise measurements their fluxes needed to understand acceleration subsequent propagation rays in our Galaxy. We report precision proton spectra rigidity range 1 gigavolt 1.2 teravolts performed by satellite-borne experiment PAMELA (payload for antimatter matter exploration light-nuclei astrophysics). find that spectral shapes these two species different cannot be described well a single power law. These data...
The satellite-borne experiment PAMELA has been used to make a new measurement of the cosmic-ray antiproton flux and antiproton-to-proton ratio which extends previously published measurements down 60 MeV up 180 GeV in kinetic energy. During 850 days data acquisition approximately 1500 antiprotons were observed. are consistent with purely secondary production Galaxy. More precise models required for complete interpretation results.
A new measurement of the cosmic-ray antiproton-to-proton flux ratio between 1 and 100 GeV is presented. The results were obtained with PAMELA experiment, which was launched into low-Earth orbit on-board Resurs-DK1 satellite on June 15th 2006. During 500 days data collection a total about 1000 antiprotons have been identified, including above an energy 20 GeV. high-energy are tenfold improvement in statistics respect to all previously published data. follow trend expected from secondary...
On the strength of a double Nobel prize winning experiment (Super)Kamiokande and an extremely successful long baseline neutrino programme, third generation Water Cherenkov detector, Hyper-Kamiokande, is being developed by international collaboration as leading worldwide based in Japan. The Hyper-Kamiokande detector will be hosted Tochibora mine, about 295 km away from J-PARC proton accelerator research complex Tokai, currently existing steadily upgraded to reach MW beam start experiment. A...
Precision measurements of the electron component in cosmic radiation provide important information about origin and propagation rays Galaxy. Here we present new results regarding negatively charged electrons between 1 625 GeV performed by satellite-borne experiment PAMELA. This is first time that cosmic-ray have been identified above 50 GeV. The spectrum can be described with a single power law energy dependence spectral index -3.18 +- 0.05 region influenced solar wind (> 30 GeV). No...
Precision measurements of the positron component in cosmic radiation provide important information about propagation rays and nature particle sources our Galaxy. The satellite-borne experiment PAMELA has been used to make a new measurement cosmic-ray flux fraction that extends previously published up 300 GeV kinetic energy. combined energy spectrum unique tool constrain interpretation models. During recent solar minimum activity period from July 2006 December 2009 approximately 24500...
TOTEM has measured the differential cross-section for elastic proton-proton scattering at LHC energy of {\srud}s = 7TeV analysing data from a short run with dedicated large {\beta} * optics. A single exponential fit slope B (20:1{\pm}0:2stat {\pm}0:3syst)GeV-2 describes range four-momentum transfer squared |t| 0.02 to 0.33 GeV2. After extrapolation 0, total (24:8{\pm}0:2stat {\pm}1:2syst) mb was obtained. Applying optical theorem and using luminosity measurement CMS, (98:3{\pm}0:2stat...
The energy spectra of galactic cosmic rays carry fundamental information regarding their origin and propagation. These spectra, when measured near Earth, are significantly affected by the solar magnetic field. A comprehensive description radiation must therefore include transport modulation inside heliosphere. During end last decade Sun underwent a peculiarly long quiet phase well suited to study processes. In this paper we present proton from July 2006 December 2009 PAMELA. large collected...
At the LHC energy of , under various beam and background conditions, luminosities, Roman Pot positions, TOTEM has measured differential cross-section for proton-proton elastic scattering as a function four-momentum transfer squared t. The results different analyses are in excellent agreement demonstrating no sizeable dependence on conditions. Due to very close approach detectors center (≈5σbeam) dedicated run with β* = 90 m, |t|-values down 5·10−3 GeV2 were reached. exponential slope this...
The TOTEM collaboration has measured the proton-proton total cross section at √s=8 TeV using a luminosity-independent method. In LHC fills with dedicated beam optics, Roman pots have been inserted very close to allowing detection of ~90% nuclear elastic scattering events. Simultaneously inelastic rate by T1 and T2 telescopes. By applying optical theorem, (101.7±2.9) mb determined, well in agreement extrapolation from lower energies. This method also allows one derive sections:...
Hyper-Kamiokande will be a next-generation underground water Cherenkov detector with total (fiducial) mass of 0.99 (0.56) million metric tons, approximately 20 (25) times larger than that Super-Kamiokande. One the main goals is study |$CP$| asymmetry in lepton sector using accelerator neutrino and anti-neutrino beams. In this paper, physics potential long-baseline experiment beam from J-PARC proton synchrotron presented. The analysis uses framework systematic uncertainties derived ongoing...
The TOTEM experiment at the LHC has performed first luminosity-independent determination of total proton-proton cross-section . This technique is based on optical theorem and requires simultaneous measurements inelastic rate – accomplished with forward charged-particle telescopes T1 T2 in range 3.1 < |η| 6.5 elastic by detecting outcoming protons Roman Pot detectors. data presented here were collected a dedicated run 2011 special beam optics (β* = 90 m) Pots approaching close enough to...
Hyper-Kamiokande consists of two identical water-Cherenkov detectors total 520~kt with the first one in Japan at 295~km from J-PARC neutrino beam 2.5$^{\textrm{o}}$ Off-Axis Angles (OAAs), and second possibly Korea a later stage. Having detector would benefit almost all areas oscillation physics mainly due to longer baselines. There are several candidate sites baselines 1,000$\sim$1,300~km OAAs 1$^{\textrm{o}}$$\sim$3$^{\textrm{o}}$. We conducted sensitivity studies on for detector, either...
Abstract The Probe Of Extreme Multi-Messenger Astrophysics (POEMMA) is designed to accurately observe ultra-high-energy cosmic rays (UHECRs) and neutrinos from space with sensitivity over the full celestial sky. POEMMA will air fluorescence produced by extensive showers (EASs) UHECRs potentially UHE above 20 EeV. Additionally, has ability Cherenkov signal upward-moving EASs induced Earth-interacting tau PeV. spacecraft are quickly re-orientate follow up transient neutrino sources obtain...
We present a measurement of the flux neutrino-induced upgoing muons (<Eν>∼ 100 GeV) using MACRO detector. The ratio number observed to expected events integrated over all zenith angles is 0.74 ±0.036 (stat) ±0.046 (systematic) ±0.13 (theoretical). distribution for −1.0≤cosθ≤−0.1 does not fit well with no oscillation expectation, giving maximum probability χ2 0.1%. acceptance detector has been extensively studied downgoing muons, independent analyses and Monte Carlo simulations. other...
We report on a new measurement of the cosmic-ray electron and positron spectra. The data were collected by balloon-borne experiment CAPRICE94, which was flown from Lynn Lake, Canada, 1994 August 8-9 at an altitude corresponding to 3.9 g cm-2 average residual atmosphere. used NMSU-WIZARD/CAPRICE94 magnet spectrometer equipped with solid radiator Ring Imaging Cerenkov (RICH) detector, time-of-flight system, tracking device consisting drift chambers multiwire proportional chambers,...
The TOTEM Experiment will measure the total pp cross-section with luminosity-independent method and study elastic diffractive scattering at LHC. To achieve optimum forward coverage for charged particles emitted by collisions in interaction point IP5, two tracking telescopes, T1 T2, be installed on each side pseudorapidity region 3.1 ⩽ |η| 6.5, Roman Pot stations placed distances of ±147 m ±220 from IP5. Being an independent experiment but technically integrated into CMS, first operate...
We report on the hydrogen nuclei (protons and deuterons) spectrum from 0.15 to 200 GeV helium over energy range 0.2 100 nucleon-1 at top of atmosphere measured by balloon-borne experiment Cosmic Antiparticle Ring-Imaging Cerenkov Experiment (CAPRICE), which was flown Lynn Lake, Manitoba, Canada, 1994 August 8-9. also proton 4.2 GeV. The used NMSU-WiZard/CAPRICE magnet spectrometer equipped with a solid radiator (RICH) detector silicon-tungsten calorimeter for particle identification. This...
The TOTEM experiment has made a precise measurement of the elastic proton-proton differential cross-section at centre-of-mass energy sqrt(s) = 8 TeV based on high-statistics data sample obtained with beta* 90 optics. Both statistical and systematic uncertainties remain below 1%, except for t-independent contribution from overall normalisation. This unprecedented precision allows to exclude purely exponential in range four-momentum transfer squared 0.027 < |t| 0.2 GeV^2 significance greater...
Precision measurements of the electron component in cosmic radiation provide important information about origin and propagation rays Galaxy not accessible from study cosmic-ray nuclear components due to their differing diffusion energy-loss processes. However, when measured near Earth, effects modulation galactic heliosphere, particularly significant for energies up at least 30 GeV, must be properly taken into account. In this paper (e^-) spectra by PAMELA down 70 MeV July 2006 December 2009...