A5079379300- Particle physics theoretical and experimental studies
- Neutrino Physics Research
- Quantum Chromodynamics and Particle Interactions
- High-Energy Particle Collisions Research
- Astrophysics and Cosmic Phenomena
- Dark Matter and Cosmic Phenomena
- Particle accelerators and beam dynamics
- Particle Detector Development and Performance
- Radiation Detection and Scintillator Technologies
- Particle Accelerators and Free-Electron Lasers
- Computational Physics and Python Applications
- Medical Imaging Techniques and Applications
- Muon and positron interactions and applications
- Atomic and Subatomic Physics Research
- Superconducting Materials and Applications
- Nuclear Physics and Applications
- Nuclear physics research studies
- Black Holes and Theoretical Physics
- Scientific Research and Discoveries
- Electron and X-Ray Spectroscopy Techniques
- Radioactive Decay and Measurement Techniques
- Distributed and Parallel Computing Systems
- Radioactivity and Radon Measurements
- CCD and CMOS Imaging Sensors
- Magnetic confinement fusion research
Centre National de la Recherche Scientifique
2016-2025
Université de Strasbourg
2016-2025
Institut Pluridisciplinaire Hubert Curien
2013-2024
Institut National de Physique Nucléaire et de Physique des Particules
1997-2023
Stockholm University
1991-2023
Istituto Superiore per la Protezione e la Ricerca Ambientale
2022
Université Libre de Bruxelles
2022
Universidade Estadual de Londrina
2022
A. Alikhanyan National Laboratory
2022
Beijing Normal University
2022
The Double Chooz experiment presents an indication of reactor electron antineutrino disappearance consistent with neutrino oscillations. An observed-to-predicted ratio events 0.944±0.016(stat)±0.040(syst) was obtained in 101 days running at the nuclear power plant France, two 4.25 GW(th) reactors. results were from a single 10 m(3) fiducial volume detector located 1050 m cores. flux prediction used Bugey4 measurement after correction for differences core composition. deficit can be...
The Jiangmen Underground Neutrino Observatory (JUNO), a 20 kton multi-purpose underground liquid scintillator detector, was proposed with the determination of neutrino mass hierarchy as primary physics goal. It is also capable observing neutrinos from terrestrial and extra-terrestrial sources, including supernova burst neutrinos, diffuse background, geoneutrinos, atmospheric solar well exotic searches such nucleon decays, dark matter, sterile etc. We present motivations anticipated...
A bstract The OPERA neutrino experiment at the underground Gran Sasso Laboratory has measured velocity of neutrinos from CERN CNGS beam over a baseline about 730 km. measurement is based on data taken by in years 2009, 2010 and 2011. Dedicated upgrades timing system detector, as well high precision geodesy campaign for baseline, allowed reaching comparable systematic statistical accuracies. An arrival time muon with respect to one computed assuming speed light vacuum $ \left( {6.5\pm...
A bstract The OPERA neutrino experiment is designed to perform the first observation of oscillations in direct appearance mode ν μ → τ channel, via detection -leptons created charged current interactions. detector, located underground Gran Sasso Laboratory, consists an emulsion/lead target with average mass about 1.2 kt, complemented by electronic detectors. It exposed CERN Neutrinos beam, a baseline 730 km and mean energy 17 GeV. candidate event analysis 2008-2009 sample have been reported...
The Double Chooz experiment has observed 8249 candidate electron antineutrino events in 227.93 live days with 33.71 GW-ton-years ($\mathrm{\text{reactor power}}\ifmmode\times\else\texttimes\fi{}\mathrm{\text{detector mass}}\ifmmode\times\else\texttimes\fi{}\mathrm{\text{live time}}$) exposure using a $10.3\text{ }\text{ }{\mathrm{m}}^{3}$ fiducial volume detector located at 1050 m from the reactor cores of nuclear power plant France. expectation case ${\ensuremath{\theta}}_{13}=0$ is 8937...
The OPERA neutrino oscillation experiment has been designed to prove the appearance of ντ in a nearly pure νμbeam (CNGS) produced at CERN and detected underground Hall C Gran Sasso Laboratory, 730 km away from source. In OPERA, τ leptons resulting interaction ντare target units called bricks made nuclear emulsion films interleaved with lead plates. contains 150000 such bricks, for total mass 1.25 kton, arranged into walls plastic scintillator strips. detector is split two identical...
The Double Chooz experiment presents improved measurements of the neutrino mixing angle θ 13 using data collected in 467.90 live days from a detector positioned at an average distance 1050 m two reactor cores nuclear power plant. Several novel techniques have been developed to achieve significant reductions backgrounds and systematic uncertainties with respect previous publications, whereas efficiency $$ {\overline{\nu}}_e signal has increased. value is measured be sin2 2θ = 0.090 − 0.029 +...
The Jiangmen Underground Neutrino Observatory (JUNO) is proposed to determine the neutrino mass hierarchy using an underground liquid scintillator detector. It located 53 km away from both Yangjiang and Taishan Nuclear Power Plants in Guangdong, China. experimental hall, spanning more than 50 meters, under a granite mountain of over 700 m overburden. Within six years running, detection reactor antineutrinos can resolve at confidence level 3-4$\sigma$, oscillation parameters...
The conclusions of the Physics Working Group international scoping study a future Neutrino Factory and super-beam facility (the ISS) are presented. ISS was carried by community between NuFact05, 7th International Workshop on Factories Superbeams, Laboratori Nazionali di Frascati, Rome, June 21-26, 2005) NuFact06 (Ivine, California, 24{30 August 2006). physics case for an extensive experimental programme to understand properties neutrino is presented role high-precision measurements...
The OPERA neutrino detector in the underground Gran Sasso Laboratory (LNGS) has been designed to perform first detection of oscillations direct appearance mode through study $\nu_\mu\rightarrow\nu_\tau$ channel. hybrid apparatus consists an emulsion/lead target complemented by electronic detectors and it is placed high energy long-baseline CERN LNGS beam (CNGS) 730 km away from source. Runs with CNGS neutrinos were successfully carried out 2008 2009. After a brief description beam,...
The OPERA experiment was designed to search for $\nu_{\mu} \rightarrow \nu_{\tau}$ oscillations in appearance mode, i.e. by detecting the $\tau$-leptons produced charged current $\nu_{\tau}$ interactions. took data from 2008 2012 CERN Neutrinos Gran Sasso beam. observation of appearance, achieved with four candidate events a sub-sample data, previously reported. In this paper, fifth event, found an enlarged sample, is described. Together further reduction expected background, detected so far...
Very intense neutrino beams and large detectors will be needed in order to enable the discovery of CP violation leptonic sector. We propose use proton linac European Spallation Source currently under construction Lund, Sweden deliver, parallel with spallation neutron production, a very intense, cost effective high performance beam. The baseline program for is that it fully operational at 5 MW average power by 2022, producing 2 GeV 2.86 ms long pulses rate 14 Hz. Our proposal upgrade 10 28...
The Double Chooz experiment has determined the value of neutrino oscillation parameter $\theta_{13}$ from an analysis inverse beta decay interactions with neutron capture on hydrogen. This uses a three times larger fiducial volume than standard assessment, which is restricted to region doped gadolinium (Gd), yielding exposure 113.1 GW-ton-years. data sample used in this distinct that Gd analysis, and systematic uncertainties are also largely independent, some exceptions, such as reactor flux...
The OPERA experiment was designed to study ν_{μ}→ν_{τ} oscillations in the appearance mode CERN Gran Sasso Neutrino beam (CNGS). In this Letter, we report final analysis of full data sample collected between 2008 and 2012, corresponding 17.97×10^{19} protons on target. Selection criteria looser than previous analyses have produced ten ν_{τ} candidate events, thus reducing statistical uncertainty measurement oscillation parameters properties. A multivariate approach for event identification...
A bstract We present the calibration strategy for 20 kton liquid scintillator central detector of Jiangmen Underground Neutrino Observatory (JUNO). By utilizing a comprehensive multiple-source and multiple-positional program, in combination with novel dual calorimetry technique exploiting two independent photosensors readout systems, we demonstrate that JUNO can achieve better than 1% energy linearity 3% effective resolution, required by neutrino mass ordering determination.
JUNO is a multi-purpose neutrino observatory under construction in the south of China. This publication presents new sensitivity estimates for measurement $\Delta m^2_{31}$, m^2_{21}$, $\sin^2 \theta_{12}$, and \theta_{13}$ oscillation parameters using reactor antineutrinos, which one primary physics goals experiment. The sensitivities are obtained best knowledge available to date on location overburden experimental site, nuclear reactors surrounding area beyond, detector response...
The OPERA experiment is designed to search for ${\ensuremath{\nu}}_{\ensuremath{\mu}}\ensuremath{\rightarrow}{\ensuremath{\nu}}_{\ensuremath{\tau}}$ oscillations in appearance mode, i.e., through the direct observation of $\ensuremath{\tau}$ lepton ${\ensuremath{\nu}}_{\ensuremath{\tau}}$-charged current interactions. has taken data five years, since 2008, with CERN Neutrino Gran Sasso beam. Previously, two ${\ensuremath{\nu}}_{\ensuremath{\tau}}$ candidates a decaying into hadrons were...
A new method of momentum measurement charged particles through multiple Coulomb scattering (MCS) in the OPERA lead-emulsion target is presented. It based on precise measurements track angular deviations carried out thanks to very high resolution nuclear emulsions. The algorithm has been tested with Monte Carlo pions. results are found describe within expected uncertainties data obtained from test beams. We also present a comparison muon momenta evaluated MCS those determined by electronic...
The Double Chooz collaboration presents a measurement of the neutrino mixing angle θ 13 using reactor $$ \overline{\nu_{\mathrm{e}}} observed via inverse beta decay reaction in which neutron is captured on hydrogen. This based 462.72 live days data, approximately twice as much data previous such analysis, collected with detector positioned at an average distance 1050 m from two cores. Several novel techniques have been developed to achieve significant reductions backgrounds and systematic...
The Taishan Antineutrino Observatory (TAO, also known as JUNO-TAO) is a satellite experiment of the Jiangmen Underground Neutrino (JUNO). A ton-level liquid scintillator detector will be placed at about 30 m from core Nuclear Power Plant. reactor antineutrino spectrum measured with sub-percent energy resolution, to provide reference for future neutrino experiments, and benchmark measurement test nuclear databases. spherical acrylic vessel containing 2.8 ton gadolinium-doped viewed by 10 m^2...
Abstract The Jiangmen Underground Neutrino Observatory (JUNO) features a 20 kt multi-purpose underground liquid scintillator sphere as its main detector. Some of JUNO's make it an excellent location for B solar neutrino measurements, such low-energy threshold, high energy resolution compared with water Cherenkov detectors, and much larger target mass previous detectors. In this paper, we present comprehensive assessment potential detecting neutrinos via the neutrino-electron elastic...
Abstract A design study, named $${\text {ESS}}\nu {\text {SB}}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mtext>ESS</mml:mtext><mml:mi>ν</mml:mi><mml:mtext>SB</mml:mtext></mml:mrow></mml:math> for European Spallation Source neutrino Super Beam, has been carried out during the years 2018–2022 of how 5 MW proton linear accelerator under construction in Lund, Sweden, can be used to produce world’s most intense long-baseline beam. The high beam intensity will allow...