F. Di Lodovico
A5103060462- Particle physics theoretical and experimental studies
- Quantum Chromodynamics and Particle Interactions
- High-Energy Particle Collisions Research
- Neutrino Physics Research
- Dark Matter and Cosmic Phenomena
- Astrophysics and Cosmic Phenomena
- Particle Detector Development and Performance
- Particle Accelerators and Free-Electron Lasers
- Medical Imaging Techniques and Applications
- Atomic and Subatomic Physics Research
- Black Holes and Theoretical Physics
- Computational Physics and Python Applications
- Cosmology and Gravitation Theories
- Nuclear physics research studies
- Superconducting Materials and Applications
- Radiation Detection and Scintillator Technologies
- Particle accelerators and beam dynamics
- Muon and positron interactions and applications
- Nuclear Physics and Applications
- Distributed and Parallel Computing Systems
- Stochastic processes and statistical mechanics
- Gamma-ray bursts and supernovae
- Advanced Data Storage Technologies
- International Science and Diplomacy
- Lanthanide and Transition Metal Complexes
King's College London
2019-2025
The University of Tokyo
2021-2024
Universidad Europea
2024
University of Victoria
2024
University of Toyama
2024
Campbell Collaboration
2000-2023
Queen Mary University of London
2013-2022
Centre National de la Recherche Scientifique
1999-2021
École Polytechnique
2021
Laboratoire Leprince-Ringuet
2021
The T2K experiment observes indications of ν(μ) → ν(e) appearance in data accumulated with 1.43×10(20) protons on target. Six events pass all selection criteria at the far detector. In a three-flavor neutrino oscillation scenario |Δm(23)(2)| = 2.4×10(-3) eV(2), sin(2)2θ(23) 1 and sin(2)2θ(13) 0, expected number such is 1.5±0.3(syst). Under this hypothesis, probability to observe six or more candidate 7×10(-3), equivalent 2.5σ significance. At 90% C.L., are consistent 0.03(0.04) < 0.28(0.34)...
The T2K experiment is a long baseline neutrino oscillation experiment. Its main goal to measure the last unknown lepton sector mixing angle θ13 by observing νe appearance in νμ beam. It also aims make precision measurement of known parameters, Δm232 and sin22θ23, via disappearance studies. Other goals include various cross-section measurements sterile searches. uses an intense proton beam generated J-PARC accelerator Tokai, Japan, composed beamline, near detector complex (ND280), far...
The T2K experiment has observed electron neutrino appearance in a muon beam produced 295 km from the Super-Kamiokande detector with peak energy of 0.6 GeV. A total 28 events were detected an distribution consistent signal, corresponding to significance 7.3σ when compared 4.92±0.55 expected background events. In Pontecorvo-Maki-Nakagawa-Sakata mixing model, signal depends on several parameters including three angles θ12, θ23, θ13, mass difference Δm232 and CP violating phase δCP. this...
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...
We search for single-photon events in 53 fb−1 of e+e− collision data collected with the BABAR detector at PEP-II B-Factory. look a single high-energy photon and large missing momentum energy, consistent production spin-1 particle A′ through process e+e−→γA′; A′→invisible. Such particles, referred to as "dark photons," are motivated by theories applying U(1) gauge symmetry dark matter. find no evidence such processes set 90% confidence level upper limits on coupling strength mass range mA′≤8...
We report on measurements of neutrino oscillation using data from the T2K long-baseline experiment collected between 2010 and 2013. In an analysis muon disappearance alone, we find following estimates 68% confidence intervals for two possible mass hierarchies: Normal Hierarchy: $\sin^2\theta_{23}=0.514^{+0.055}_{-0.056}$ $\Delta m^2_{32}=(2.51\pm0.10)\times 10^{-3}$ eV$^2$/c$^4$ Inverted $\sin^2\theta_{23}=0.511\pm0.055$ m^2_{13}=(2.48\pm0.10)\times The accounts multi-nucleon mechanisms in...
SNO+ is a large liquid scintillator-based experiment located 2km underground at SNOLAB, Sudbury, Canada. It reuses the Sudbury Neutrino Observatory detector, consisting of 12m diameter acrylic vessel which will be filled with about 780 tonnes ultra-pure scintillator. Designed as multipurpose neutrino experiment, primary goal search for neutrinoless double-beta decay (0$\nu\beta\beta$) 130Te. In Phase I, detector loaded 0.3% natural tellurium, corresponding to nearly 800 kg 130Te, an expected...
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 Tokai-to-Kamioka (T2K) experiment studies neutrino oscillations using an off-axis muon beam with a peak energy of about 0.6 GeV that originates at the J-PARC accelerator facility. Interactions neutrinos are observed near detectors placed 280 m from production target and far detector -- Super-Kamiokande (SK) located 295 km away. flux prediction is essential part successful interaction rates T2K important input to oscillation cross section measurements. A FLUKA GEANT3 based simulation...
The T2K experiment measures muon neutrino disappearance and electron appearance in accelerator-produced antineutrino beams. With an exposure of 14.7(7.6)×1020 protons on target the (antineutrino) mode, 89 νe candidates seven anti-νe are observed, while 67.5 9.0 expected for δCP=0 normal mass ordering. obtained 2σ confidence interval CP-violating phase, δCP, does not include CP-conserving cases (δCP=0, π). best-fit values other parameters sin2θ23=0.526+0.032−0.036 Δm232=2.463+0.071−0.070×10−3...
New data from the T2K neutrino oscillation experiment produce most precise measurement of mixing parameter ${\ensuremath{\theta}}_{23}$. Using an off-axis beam with a peak energy 0.6 GeV and set corresponding to $6.57\ifmmode\times\else\texttimes\fi{}1{0}^{20}$ protons on target, has fit energy-dependent ${\ensuremath{\nu}}_{\ensuremath{\mu}}$ probability determine parameters. The 68% confidence limit ${\mathrm{sin}}^{2}({\ensuremath{\theta}}_{23})$ is...
Many models of physics beyond the Standard Model predict existence new Abelian forces with gauge bosons mediating interactions between "dark sectors" and Model. We report a search for dark boson Z' coupling only to second third generations leptons in reaction e+e- -> mu+mu- Z', using 514 fb-1 data collected by BABAR experiment. No significant signal is observed masses range 0.212 - 10 GeV. Limits on parameter g' as low 7x10^-4 are derived, leading improvements bounds compared those...
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...
The T2K experiment reports updated measurements of neutrino and antineutrino oscillations using both appearance disappearance channels. This result comes from an exposure $14.9(16.4)\ifmmode\times\else\texttimes\fi{}1{0}^{20}$ protons on target in (antineutrino) mode. Significant improvements have been made to the interaction model far detector reconstruction. An extensive set simulated data studies also performed quantify effect uncertainties oscillation parameter sensitivity. performs...
The T2K experiment presents new measurements of neutrino oscillation parameters using $19.7(16.3)\times10^{20}$ protons on target (POT) in (anti-)neutrino mode at the far detector (FD). Compared to previous analysis, an additional $4.7\times10^{20}$ POT data was collected FD. Significant improvements were made analysis methodology, with near-detector introducing selections and more than double data. Additionally, this is first use NA61/SHINE a replica tune flux model, interaction model...
Abstract The unification of quantum mechanics and general relativity has long been elusive. Only recently have empirical predictions various possible theories gravity put to test, where a clear signal properties is still missing. dawn multi-messenger high-energy astrophysics tremendously beneficial, as it allows us study particles with much higher energies travelling longer distances than in terrestrial experiments, but more progress needed on several fronts. A thorough appraisal current...
This article reports world averages for measurements of b-hadron and c-hadron properties obtained by the Heavy Flavor Averaging Group (HFAG) using results available at end 2007. For averaging, common input parameters used in various analyses are adjusted (rescaled) to values, known correlations taken into account. The include branching fractions, lifetimes, neutral meson mixing parameters, CP violation semileptonic decays.
T2K reports its first results in the search for CP violation neutrino oscillations using appearance and disappearance channels neutrino- antineutrino-mode beams. The data include all runs from January 2010 to May 2016 comprise 7.482×10^{20} protons on target mode, which yielded far detector 32 e-like 135 μ-like events, 7.471×10^{20} antineutrino 4 66 events. Reactor measurements of sin^{2}2θ_{13} have been used as an additional constraint. one-dimensional confidence interval at 90% phase...
The T2K collaboration: reports evidence for electron neutrino appearance at the atmospheric mass splitting, |\Delta m_{32}^2|=2.4x10^{-3} eV^2. An excess of interactions over background is observed from a muon beam with peak energy 0.6 GeV Super-Kamiokande (SK) detector 295 km beam's origin. Signal and predictions are constrained by data near detectors located 280 m production target. We observe 11 candidate events SK when 3.3\pm0.4(syst.) expected. background-only hypothesis rejected...
The T2K experiment reports an updated analysis of neutrino and antineutrino oscillations in appearance disappearance channels. A sample electron candidates at Super-Kamiokande which a pion decay has been tagged is added to the four single-ring samples used previous oscillation analyses. Through combined analyses these five samples, simultaneous measurements parameters, $|\Delta m^2_{32}|$, $\sin^2(\theta_{23})$, $\sin^2(\theta_{13})$, $\delta_{CP}$ mass ordering are made. set studies...
T2K has performed the first measurement of ${\ensuremath{\nu}}_{\ensuremath{\mu}}$ inclusive charged current interactions on carbon at neutrino energies $\ensuremath{\sim}1\text{ }\text{ }\mathrm{GeV}$ where is reported as a flux-averaged double differential cross section in muon momentum and angle. The flux predicted by beam Monte Carlo external data, including results from NA61/SHINE experiment. data used for this were taken 2010 2011, with total...
We report the measurement of muon neutrino charged-current interactions on carbon without pions in final state at T2K beam energy using $5.734\ifmmode\times\else\texttimes\fi{}{10}^{20}$ protons target. For first time is reported as a flux-integrated, double-differential cross section kinematic variables ($\mathrm{cos}{\ensuremath{\theta}}_{\ensuremath{\mu}}$, ${p}_{\ensuremath{\mu}}$), correcting for events where pion produced and then absorbed by interactions. Two analyses are performed...