C. Lastoria
A5021428207- Neutrino Physics Research
- Astrophysics and Cosmic Phenomena
- Dark Matter and Cosmic Phenomena
- Particle physics theoretical and experimental studies
- Particle Detector Development and Performance
- Radiation Detection and Scintillator Technologies
- Atomic and Subatomic Physics Research
- Gamma-ray bursts and supernovae
- Particle accelerators and beam dynamics
- Pulsars and Gravitational Waves Research
- Planetary Science and Exploration
- Nuclear Physics and Applications
- Radio Astronomy Observations and Technology
- Atmospheric Ozone and Climate
- Particle Accelerators and Free-Electron Lasers
- Astronomy and Astrophysical Research
- Galaxies: Formation, Evolution, Phenomena
- Muon and positron interactions and applications
- Nuclear physics research studies
- Quantum, superfluid, helium dynamics
Laboratoire de Physique Corpusculaire de Caen
2024-2025
École Nationale Supérieure d'Ingénieurs de Caen
2024-2025
Centre de physique des particules de Marseille
2022-2024
Centre National de la Recherche Scientifique
2021-2024
Aix-Marseille Université
2021-2024
Université de Caen Normandie
2024
Normandie Université
2024
Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
2017-2022
Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Sud
2021
National Institute for Subatomic Physics
2021
KM3NeT is a water Cherenkov neutrino telescope building two detectors in the Mediterranean Sea: ORCA and ARCA. One of advantage possibility collecting physics data during its installation phase. However, this introduces challenge coping with many different configurations over time. A description data-taking workflow, from processing to quality assessment presented. The focus on run-by-run approach used for several detector 2020 onward, ensuring up 97% high-quality efficiency respect total...
A 10 kilo-tonne dual-phase liquid argon TPC is one of the detector options considered for Deep Underground Neutrino Experiment (DUNE). The technology relies on amplification ionisation charge in ultra-pure vapour and offers several advantages compared to traditional single-phase TPCs. 4.2 tonne prototype, largest its kind, with an active volume \three has been constructed operated at CERN. In this paper we describe detail experimental setup components as well report operation experience. We...
A study on cosmic muons has been performed for the two identical near and far neutrino detectors of Double Chooz experiment, placed at $\sim$120 $\sim$300 m.w.e. underground respectively, including corresponding simulations using MUSIC simulation package. This characterization allowed to measure muon flux reaching both be (3.64 $\pm$ 0.04) $\times$ 10$^{-4}$ cm$^{-2}$s$^{-1}$ detector (7.00 0.05) 10$^{-5}$ one. The seasonal modulation signal also studied observing a positive correlation with...
We present a search for signatures of neutrino mixing electron anti-neutrinos with additional hypothetical sterile flavors using the Double Chooz experiment. The is based on data from 5 years operation Chooz, including 2 in two-detector configuration. analysis profile likelihood, i.e.\ comparing to model prediction disappearance data-to-data comparison two respective detectors. optimized three active and one neutrino. It sensitive typical mass range $5 \cdot 10^{-3} $ eV$^2 \lesssim \Delta...
KM3NeT/ORCA is a next-generation water Cherenkov neutrino telescope currently under construction in the Mediterranean Sea. By studying oscillations of atmospheric flux passing through Earth, thanks to detector geometry and its unprecedented statistics, KM3NeT/ORCA's primary physics goal an early measurement mass ordering as well direct observation tau appearance; last, allowing for test standard three-neutrino flavours paradigm. Due detector's modular structure, oscillation analyses are...
The Deep Underground Neutrino Experiment (DUNE) is a dual-site experiment for long-baseline neutrino oscillation studies, and astrophysics nucleon decay searches. far detector 40-kton underground liquid argon time-projection-chamber (LAr TPC), in which the photon system adds precise timing capabilities. ProtoDUNE Dual-Phase will consist of 6×6×6 m3 LAr TPC to be operated at CERN Platform detection formed by 8-inch cryogenic photomultipliers from Hamamatsu. PMT model (R5912-20Mod) performance...
A LED-based fiber calibration system for the ProtoDUNE-Dual Phase (DP) photon detection (PDS) has been designed and validated. ProtoDUNE-DP is a 6x6x6 m3 liquid argon time-projection-chamber (LAr TPC) currently being installed at Neutrino Platform CERN. The PDS based on 36 8-inch photomultiplier tubes (PMTs) will allow triggering cosmic rays. serves as prototype of final DUNE DP far detector in which also function to 3D event reconstruction non-beam physics. For this purpose an equalized PMT...
The yields and production rates of the radioisotopes $^9$Li $^8$He created by cosmic muon spallation on $^{12}$C, have been measured two detectors Double Chooz experiment. identical are located at separate sites depths, which means they subject to different spectra. near (far) detector has an overburden $\sim$120 m.w.e. ($\sim$300 m.w.e.) corresponding a mean energy $32.1\pm2.0\,\mathrm{GeV}$ ($63.7\pm5.5\,\mathrm{GeV}$). Comparing data detailed simulation decays, contribution radioisotope...
ProtoDUNE-DP is a 6x6x6 m3 liquid argon time-projection-chamber operated at the CERN Neutrino Platform in 2019-2020 as prototype of Dual Phase concept for DUNE Far Detector. The Photon Detection System (PDS) based on 36 8-inch photo-multiplier tubes (PMTs) and allows triggering scintillation light signals produced by cosmic rays other charged particles traversing detector. acquisition calibration software specifically developed PDS described this paper. This controls high-voltage power...
Abstract We report the results of analyses cosmic ray data collected with a 4 tonne (3×1×1 m 3 ) active mass (volume) Liquid Argon Time-Projection Chamber (TPC) operated in dual-phase mode. present detailed study TPC's response, its main detector parameters and performance. The are important for understanding further developments technology, thanks to verification key aspects, such as extraction electrons from liquid gas their amplification through entire one square metre readout plain, gain...
The Hamamatsu R5912-02Mod photomultiplier tube (PMT) will be used in the DUNE dual-phase module, a 10-kton fiducial volume liquid-argon time-projection chamber, which is one of four projected far-detector modules long-baseline neutrino experiment. In liquid argon places high pressure on photo-detectors located at bottom 14-m cryostat. Four PMTs were tested 4-bar absolute and cryogenic temperature (in nitrogen) for first time. No mechanical or electrical damage reported, validating use this...
Next-generation neutrino experiments aim at ensuring high-precision measurements of the oscillation parameters to reveal main unknowns in physics. Among them, validating three flavors paradigm remains one most stimulating because it allows for exploring physics beyond Standard Model. KM3NeT/ORCA is a water Cherenkov telescope, under construction Mediterranean Sea, whose primary goal an early measurement mass ordering from atmospheric neutrinos traversing Earth. In addition, thanks its huge...
A bstract θ 13 oscillation analysis based on the observed antineutrino rates at Double Chooz far and near detectors for different reactor power conditions is presented. This approach provides a so unique simultaneous determination of total background without relying any assumptions specific contributions. The comprises 865 days data collected in both with least one operation. results are enhanced by use 24.06 (12.74 days) reactor-off (near) detector. considers $$ {\overline{\nu}}_e <mml:math...
The KM3NeT/ORCA experiment is a next-generation neutrino telescope, currently under construction in the Mediterranean Sea. final detector geometry will reach an active volume corresponding to 7 Mtons of seawater, optimized oscillation physics [1, 100] GeV energy range. In this way, expected maximum sensitivity measurement mass ordering (NMO) by studying oscillations atmospheric flux passing through Earth. Thanks detector's modular structure that allows for collecting data stable conditions...
One of the main goals KM3NeT/ORCA is to measure atmospheric neutrino oscillation parameters with competitive precision. To achieve this goal, good discrimination between track-like and shower-like events necessary, particular focus on measurement tau normalisation. The signal mainly carried by muon neutrinos from charged current interactions, while comes interactions electron neutrinos, neutral all flavours. A Random Grid Search algorithm optimised separate these channels its performance...
Abstract The 3×1×1 m 3 demonstrator is a dual phase liquid argon time projection chamber that has recorded cosmic rays events in 2017 at CERN. light signal these detectors crucial to provide precise timing capabilities. performance of the photon detection system, composed five PMTs, are discussed. collected scintillation and electroluminescence created by passing particles been studied various detector conditions. In particular, production propagation processes have analyzed compared...
Liquid scintillators are a common choice for neutrino physics experiments, but their capabilities to perform background rejection by scintillation pulse shape discrimination is generally limited in large detectors. This paper describes novel approach based event classification developed the context of Double Chooz reactor antineutrino experiment. Unlike previous implementations, this method uses Fourier power spectra shapes obtain event-wise information. A variable built from spectral...
The Deep Underground Neutrino Experiment (DUNE) is a leading-edge experiment designed to perform neutrino science and proton decay searches. In particular, the far detector will consist of four 10-kton Liquid Argon (LAr) Time Projection Chambers using both single dual-phase technologies. latter provides charge amplification in gaseous phase. order optimize these designs, two large prototypes are taking data at CERN since 2018. Previously, 4-tonne demonstrator was constructed exposed cosmic...
The Deep Underground Neutrino Experiment (DUNE) Far Detector (FD) will be formed by four 10-kton Liquid Argon (LAr) Time Projection Chambers (TPC) using both single and dual-phase technology. technology foreseen the charge amplification in gas phase before signal collection is following a staged approach to demonstrate its feasibility at DUNE FD scale. In 2017, 4-ton demonstrator of 3x1x1 m3 volume was exposed cosmic muons demonstrated expected performance terms extraction light collection....