Nicolas Delerue
A5034616527- Particle Accelerators and Free-Electron Lasers
- Laser-Plasma Interactions and Diagnostics
- Particle accelerators and beam dynamics
- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Advanced X-ray Imaging Techniques
- Quantum Chromodynamics and Particle Interactions
- Laser Design and Applications
- Particle Detector Development and Performance
- Laser-induced spectroscopy and plasma
- Laser-Matter Interactions and Applications
- Gyrotron and Vacuum Electronics Research
- Superconducting Materials and Applications
- Magnetic confinement fusion research
- Atomic and Subatomic Physics Research
- Photocathodes and Microchannel Plates
- Advanced Fiber Laser Technologies
- Additive Manufacturing and 3D Printing Technologies
- Radiation Detection and Scintillator Technologies
- Pulsed Power Technology Applications
- High-pressure geophysics and materials
- Radiation Therapy and Dosimetry
- Advanced Surface Polishing Techniques
- Nuclear Physics and Applications
- Advanced Optical Sensing Technologies
Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
2020-2025
Centre National de la Recherche Scientifique
2014-2024
Université Paris-Saclay
2017-2024
Institut National de Physique Nucléaire et de Physique des Particules
2011-2024
Université Paris-Sud
2011-2021
GANIL
2013-2020
ADIR Association
2016
Université Paris Cité
2000-2015
University of Oxford
2005-2013
Adam Smith Institute
2013
The acceleration of electrons to approximately 0.8 GeV has been observed in a self-injecting laser wakefield accelerator driven at plasma density 5.5x10(18) cm(-3) by 10 J, 55 fs, 800 nm pulse the blowout regime. is found be self-guided for 1 cm (>10zR), measurement single filament containing >30% initial energy this distance. Three-dimensional particle cell simulations show that intensity within guided amplified beyond its focused value normalized vector potential a0>6, thus driving highly...
The Compact Linear Collider (CLIC) is a TeV-scale high-luminosity linear $e^+e^-$ collider under development at CERN. Following the CLIC conceptual design published in 2012, this report provides an overview of project, its current status, and future developments. It presents physics potential reports on design, technology, implementation aspects accelerator detector. foreseen to be built operated stages, centre-of-mass energies 380 GeV, 1.5 TeV 3 TeV, respectively. uses two-beam acceleration...
Abstract This report presents the conceptual design of a new European research infrastructure EuPRAXIA. The concept has been established over last four years in unique collaboration 41 laboratories within Horizon 2020 study funded by Union. EuPRAXIA is first project that develops dedicated particle accelerator based on novel plasma acceleration concepts and laser technology. It focuses development electron accelerators underlying technologies, their user communities, exploitation existing...
A measurement is presented of elastic deeply virtual Compton scattering e++p→e++γ+p at HERA using data taken with the H1 detector. The cross section measured as a function photon virtuality, Q2, and invariant mass, W, γp system, in kinematic range 2<Q2<20GeV2, 30<W<120GeV |t|<1GeV2, where t squared momentum transfer to proton. compared QCD based calculations.
The Horizon 2020 Project EuPRAXIA ("European Plasma Research Accelerator with eXcellence In Applications") is preparing a conceptual design report of highly compact and cost-effective European facility multi-GeV electron beams using plasma as the acceleration medium. accelerator will be based on laser and/or beam driven approach used for photon science, high-energy physics (HEP) detector tests, other applications such X-ray sources medical imaging or material processing. started in November...
A measurement of the derivative (d ln F_2 / d lnx)_(Q^2)= -lambda(x,Q^2) proton structure function is presented in low x domain deeply inelastic positron-proton scattering. For 5*10^(-5)<=x<=0.01 and Q^2>=1.5 GeV^2, lambda(x,Q^2) found to be independent increase linearly with ln(Q^2).
The inclusive production of D∗±(2010) mesons in deep-inelastic scattering is studied with the H1 detector at HERA. In kinematic region 1<Q2<100 GeV2 and 0.05<y<0.7 an e+p cross section for D∗± meson 8.50±0.42(stat.)+1.21−1.00(syst.) nb measured visible range ptD∗>1.5 GeV |ηD∗|<1.5. Single double differential sections are compared to perturbative QCD calculations two different evolution schemes. charm contribution proton structure, F2c(x,Q2), determined by extrapolating full phase space. This...
The machine described in this document is an advanced Source of up to 20 MeV Gamma Rays based on Compton back-scattering, i.e. collision intense high power laser beam and a brightness electron with maximum kinetic energy about 720 MeV. Fully equipped collimation characterization systems, order generate, form fully measure the physical characteristics produced Ray beam. quality, phase space density, two colliding beams will be such that emitted ray characterized by tunability, spectral...
A new kind of nonresonant optical recirculator, dedicated to the production $\ensuremath{\gamma}$ rays by means Compton backscattering, is described. This novel instrument, inspired multipass systems, has its design focused on high flux and very small spectral bandwidth $\ensuremath{\gamma}$-ray beam. It been developed fulfill project specifications European Extreme Light Infrastructure ``Nuclear Pillar,'' i.e., Gamma Beam System. Our system allows a single power laser pulse recirculate 32...
ThomX is a new generation Compact Compton Source. It currently commissioned by and at the IJCLab (Laboratoire de physique des 2 infinis - Irène Joliot-Curie (UMR9012)) Orsay. The first beam expected begining of 2021. aim to demonstrate characteristics an intense (lab-size) X-ray source based on Scattering. performances are mostly driven laser optical system which above state art stored power. Proof principle various techniques will be performed thanks versatile beamline. Firstly, this...
ThomX is a compact x-ray source based on Compton scattering, installed at IJCLab (Laboratoire de physique des 2 infinis-Irène Joliot-Curie) in Orsay. The machine uses small electron storage ring and an intense laser pulse stored high-finesse optical cavity. This article describes the various subsystems of their initial results commissioning, which began mid-2021. first commissioning phase led to production <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"...
The generation of quasimonoenergetic electron beams, with energies greater than 500 MeV, in a laser-plasma accelerator driven by 2.5 J, 80 fs laser pulses guided low density plasma channel, is investigated. energy required to achieve injection found depend strongly on the quality input focal spot. Simulations show that, although matched spot size channel self-focused size, assists relativistic self-focusing and enables occur at lower densities powers would be possible without waveguide.
We have used coherent Smith-Purcell radiation (cSPr) in order to determine the temporal profile of sub-ps long electron bunches at Facility for Advanced Accelerator Experimental Tests, SLAC. The measurements reported here were carried out June 2012 and April 2013. rms values bunch length varied between 356 604 fs, depending on accelerator settings. resolution system was limited by range detectable wavelengths which was, turn, determined choice grating periods these experiments achievable...
Metal additive manufacturing technologies are rapidly becoming an integral part of the advanced technological portfolio for most demanding industrial applications. These processes capable fabricating three-dimensional components with near-net shape quality by depositing constituent materials in a layer-by-layer fashion. This fabrication approach provides numerous advantages over conventional methods, including enhanced design flexibility, reduced production costs and lead times, rapid...
As part of the R&D toward production high flux polarised Gamma-rays we have designed and built a non-planar four-mirror optical cavity with finesse operated it at particle accelerator. We report on main challenges such cavity, as design suitable laser based fiber technology, mechanical difficulties having tunability stability in an accelerator environment active stabilization by implementing double feedback loop FPGA.
The diffractive photoproduction of J/psi mesons is measured with the H1 detector at ep collider HERA using an integrated luminosity 78 pb^-1. differential cross section d sigma(gamma p -> Y) / t studied in range 2 < |t| 30 GeV^2, where square four-momentum transferred proton vertex. also presented as a function photon-proton centre-of-mass energy W three intervals, spanning 50 200 GeV. A fast rise observed for each and slope effective linear Pomeron trajectory to be alpha^\prime= -0.0135 \pm...