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Jobs
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Discovering rare systems exhibiting star–planet magnetic interactions
Stage M2Saclay03/04/20274 monthDomain, Specialties : Astrophysique Research Unit : DAp / LDE3 The discovery of an exoplanet orbiting a Sun-like star (Mayor & Queloz 1995), recognised by the 2019 Nobel Prize in Physics, opened a new era in planetary science. Since then, exoplanet detection, atmospheric characterisation, and…
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Chasing aurorae on exoplanets
Stage M2Saclay03/16/20266 monthDomain, Specialties : CHIMIE Research Unit : DAp / LDE3 The project will build a model for excitation of the H3+ ion, which is a prominent feature in the aurorae of the solar system planets. We will use the model to developped by the student…
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SURFACE ENGINEERING FOR ENHANCED COHERENCE TIMES IN SUPERCONDUCTING QUBITS
Stage M2Saclay03/02/20266 monthDomain, Specialties : Sciences et technologies des matériaux Keywords: quantum physics, superconductors, Research Unit : DACM / LIDC2 Quantum computing is considered one of the most promising advancements in computational technology, with the potential to solve problems that are considered intractable using even the fastest…
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Cosmological parameter inference using theoretical Wavelet statistics predictions
Stage M2Saclay11/15/20256 monthDomain, Specialties : Astrophysique Keywords: weak lensing, Euclid, cosmological parameter likelihood free inference, high order statistics Research Unit : DAp Developed a novel method using theoretical wavelet statistics to analyze Euclid satellite weak lensing data, surpassing traditional approaches. Built a complete inference framework with a…
PhD thesis
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Measurement of the Higgs boson mass in the CMS experiment at LHC using precise and innovative calibration based on artificial intelligence methods
CMS : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayThe precise measurement of the Higgs boson’s properties is a major challenge in particle physics and a fundamental test of the Standard Model. This thesis proposes to improve the measurement of its… -
Turbulence auto-organisée dans les tokamaks et les étoiles : construire des modèles réduits au-delà de la séparation d’échelles
LDE3 : AstrophysicsUniversite de Paris Astronomie et Astrophysique d’Île de France (ED A&A) SaclayCette thèse vise à mieux comprendre et modéliser le transport turbulent dans les plasmas de fusion et les enveloppes des étoiles. La turbulence y génère des structures à grande échelle qui… -
Fast variational inference for the early characterisation of massive black-hole binaries with LISA
LILAS : AstrophysicsParis-Saclay Sciences et Technologies de l’Information et de la Communication (STIC) SaclayThe Laser Interferometer Space Antenna (LISA) is an upcoming space-based observatory designed to detect low-frequency gravitational waves, primarily from the collisions of supermassive black holes.… -
Development of the Fast Gamma Radiation Detectors for the Time-of-Flight Positron Emission Tomography
GSE : Health and environment technologies, medical devicesParis-Saclay Physique et Ingénierie: électrons, photons et sciences du vivant (EOBE) SaclayInnovative functional imaging technologies are a key component of the “Medicine for the Future” program, one of the main strategic priorities of the CEA. We are seeking a highly motivated PhD… -
Preequilibrium dilepton production in Oxygen – Oxygen collisions with LHCb
LQGP : Nuclear physicsParis-Saclay PHENIICS (PHENIICS) SaclayAt the Large Hadron Collider (LHC) at Geneva, collisions of nuclei are used to create a thermodynamic system described by fluid dynamics under extreme conditions of temperature and energy density.… -
An event generator for hard probes of the preequilibrium stages of ion collisions at the LHC
LQGP : Nuclear physicsParis-Saclay PHENIICS (PHENIICS) SaclayAt the Large Hadron Collider (LHC) at Geneva, collisions of nuclei are used to create a thermodynamic system described by fluid dynamics under extreme conditions of temperature and energy density.… -
Hybrid (classical-quantum) algorithms for Green’s functions in nuclear physics
LENA : Nuclear PhysicsParis-Saclay PHENIICS (PHENIICS) SaclayResearch in theoretical nuclear physics currently relies on high-performance computing to conduct ab initio simulations of atomic nuclei. These calculations enable systematic predictions, serving… -
Foundation models for the hierarchical representation and reconstruction of particle collision events
STREAM : Particle physicsParis-Saclay Sciences et Technologies de l’Information et de la Communication (STIC) SaclayPrecision measurements at the Large Hadron Collider (LHC) require a detailed understanding of the particles produced in each collision and the relationships between them. However, reconstructing the… -
Precision tests of the Standard Model using the neutral current Drell–Yan process in Run 3 data with the ATLAS experiment at the CERN LHC
Atlas : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayThe standard model of particle physics has so far provided a fine description of experimental data, notably data from colliders such as the LHC at CERN. The electroweak sector is of particular… -
Mining LEP data for fragmentation: a TMD-oriented analysis of pi+pi- pairs in e+e- collisions
LSN : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayFragmentation, the process by which quarks and gluons turn into hadrons, cannot be computed from first principles in QCD and has to be extracted from data. Transverse-momentum-dependent… -
MEASUREMENT OF PROMPT AND NON-PROMPT J/? PRODUCTION IN ION-ION COLLISIONS AT THE LHC: NUCLEAR MODIFICATION FACTOR AND ELLIPTIC FLOW
LQGP : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayA few microseconds after the Big Bang, the Universe was filled with a quark-gluon plasma (QGP), a hot and dense state of matter described by Quantum Chromodynamics, the theory of the strong… -
Measurement of vector boson scattering at high energy, with the ATLAS detector at the LHC
Atlas : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayThe scattering of vector bosons is a fundamental prediction of the Standard Model, closely linked to the Higgs mechanism. The study of this process at the TeV scale tests the unique role of the… -
Precision Timing and Particle Association in High-Intensity Neutrino Beams with Gaseous and Silicon Detectors
DEPHYS : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayThe next generation of neutrino experiments aims to achieve unprecedented precision in neutrino interaction cross-section measurements, a prerequisite for reducing systematic uncertainties in future… -
Advanced optical Micromegas detectors:single particle tracking, enhanced light detection and sustainable gas operation
DEPHYS : Instrumentation nucléaire et métrologie des rayonnements ionisantsParis-Saclay PHENIICS (PHENIICS) SaclayMicromegas detectors are gaseous detectors used in particle physics and nuclear physics. Optical readout consists of observing, with a camera, the light emitted during electron amplification inside… -
Investigating the Gluon Content of the Pion through Exclusive Vector Meson Production with CLAS12
LSN : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayThe pion is a key particle for understanding Quantum Chromodynamics (QCD), the theory of the strong interaction. However, its gluon content, remains poorly understood. This thesis will explore a… -
Understanding the low-energy excess in the NUCLEUS cryogenic detectors: toward a presicion measurement of CEvNS at a nuclear reactor
GNSR : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayThis PhD topic is part of the NUCLEUS experiment, installed at the heart of the Chooz nuclear power plant in France, with an ambitious goal: detecting and measuring coherent elastic neutrino-nucleus… -
Search for Higgs boson pair production with the CMS experiment: from the full Run-3 analysis to the HL-LHC trigger strategies
CMS : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclaySince the discovery of the Higgs boson in 2012, the experimental program at the Large Hadron Collider (LHC) has entered an era of precision measurements, enabling increasingly stringent tests of… -
Probing dark matter in the core of galaxy clusters with gravitational lensing flexion from the Euclid satellite
LCS : AstrophysicsParis-Saclay Astronomie et Astrophysique d’Île de France (ED A&A) SaclayWeak gravitational lensing, the distortion of distant galaxy images by foreground matter, is a key tool for probing the dark sector of the Universe. The density profiles of galaxy clusters reveal… -
Development and operation of the POLARYS camera: instrumental characterization and extraction of the astrophysical signal
LSIS : AstrophysicsParis-Saclay Astronomie et Astrophysique d’Île de France (ED A&A) SaclayUnderstanding how gas and dust in the interstellar medium evolve into stars and planetary systems is a major challenge in modern astrophysics. Magnetic fields play an important role in these… -
Top-quark physics as a benchmark for quantum computing
Atlas : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayTop-quark physics at the LHC offers two complementary test beds for quantum computing. The first is quantum information in top-quark pairs: since the top quark decays before hadronisation, a tt¯… -
Search for di-Higgs production in the multilepton channel with the ATLAS detector using 13.6 TeV data
Atlas : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayIn the Standard Model (SM), the Higgs field breaks the electroweak symmetry, thereby giving mass to the W and Z bosons. The self-coupling of the Higgs boson remains unmeasured, yet it is crucial for… -
Protoplanetary disk formation at the exascale era
LMPA : AstrophysicsParis Cité Science de la Terre et de l’Environnement et Physique de l’Univers Paris (STEPUP) SaclayRecent observations of protoplanetary disks indicate that planets begin to form during the first million years of their evolution. However, state-of-the-art simulations of disk formation struggle to… -
Atmospheric Characterisation of Super-Earths and Mini-Neptunes with JWST and Ariel: From Instrumental Systematics to Exoplanetary Diversity
LDE3 : AstrophysicsParis Cité Science de la Terre et de l’Environnement et Physique de l’Univers Paris (STEPUP) SaclayThe James Webb Space Telescope (JWST) is opening new opportunities to study super-Earths and mini-Neptunes, the most common types of exoplanets in our Galaxy and which have no equivalent in our… -
Generative AI and Multi-tracer Cosmological Inference: Euclid and 21-cm HI Intensity Mapping
LCS : AstrophysicsParis-Saclay Astronomie et Astrophysique d’Île de France (ED A&A) SaclayCurrent and upcoming cosmological surveys, notably the Euclid space mission and neutral hydrogen (HI) 21-cm intensity mapping experiments offer a unique opportunity to improve our understanding of… -
Leveraging Machine Learning for Cosmological Inference with Weak Lensing selected Galaxy Clusters
LCEG : AstrophysicsParis-Saclay Astronomie et Astrophysique d’Île de France (ED A&A) SaclayGalaxy clusters, which form at the intersection of matter filaments, are excellent tracers of the large-scale matter distribution in the Universe and are a valuable source of information for… -
Testing cosmological models with the Lyman-alpha forest from the DESI survey
GCOSMO : AstrophysicsParis-Saclay PHENIICS (PHENIICS) SaclayModern cosmology is currently facing major challenges. On the one hand, the standard cosmological model, known as LambdaCDM, relies on two components, dark energy and dark matter, whose effects are… -
Hunting for Hidden Galaxies at the Universe’s Peak Star-Formation Epoch: How Do Galaxies Form, Grow and Die in the Early Universe?
LCEG : AstrophysicsParis-Saclay Astronomie et Astrophysique d’Île de France (ED A&A) SaclayNearly 10 billion years ago, the Universe was forming stars at its peak rate. Galaxies were assembling, growing and being transformed at a pace we no longer see today. Hidden in that era is a rare… -
MULTI-SCALE STUDY OF THE PHYSICAL PROPERTIES OF STAR-FORMING DENSE CORES, FILAMENTS, AND BUBBLES USING INFRARED TO MILLIMETER OBSERVATIONS AND NUMERICAL SIMULATIONS
LFEMI : AstrophysicsParis-Saclay Astronomie et Astrophysique d’Île de France (ED A&A) SaclayThe proposed PhD project falls within the context of the scientific exploitation of data from the JWST, Herschel, and Planck space missions, as well as the preparation for the future PRIMA mission.… -
The MINI-BINGO demonstrator: advancing the quest to unveil the neutrino nature
GNSR : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayBINGO is an innovative neutrino physics project designed to lay the groundwork for a large-scale bolometric experiment dedicated to the search for neutrinoless double beta decay. The goal is to… -
Tidal disruption events in real time: from Rubin/LSST alerts to TeV gamma rays with H.E.S.S. and CTAO, and a bridge to LISA
GAP : AstroparticlesParis-Saclay PHENIICS (PHENIICS) SaclayWhen a star ventures too close to a supermassive black hole, it is torn apart by tidal forces in a tidal disruption event (TDE). These rare flares reveal otherwise dormant black holes and may launch… -
STUDY OF THE NUCLEAR COLLECTIVE PROPERTIES OF 232TH WITH THE AGATA SPECTROMETER
LENA : Nuclear physicsPHENIICS (PHENIICS) SaclayThe study of so-called ‘deformed’ atomic nuclei with a non-spherical charge distribution is essential for testing nuclear interactions and structural models. These deformed nuclei exhibit a very… -
ENGINEERING SUPERCONDUCTING SURFACES FOR PARTICLE ACCELERATORS AND QUANTUM DEVICES
LIDC2 : Solid state physics, surfaces and interfacesParis-Saclay PHENIICS (PHENIICS) SaclayThis project will establish atomic layer deposition (ALD) as a versatile surface engineering approach for superconducting resonators, addressing two complementary objectives for particle… -
FOUNDATION MODEL FOR THE LHCB EXPERIMENT AT CERN
LQGP : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayAt CERN, the LHCb experiment sees protons collide tens of millions of times per second and must decide, in real time, which collisions to keep. Today this is done by thousands of small programs,… -
Search for axion dark matter with a radio-frequency magnetic converter
Antares : AstroparticlesParis-Saclay PHENIICS (PHENIICS) SaclayThe proposed doctoral project involves the commissioning and operation of an experimental search for axion dark matter. These hypothetical particles are motivated by a minimal extension of the… -
Structure and reactions of light and medium mass nuclei with the Gamow Shell Model with Coupled Channels
GANIL : Nuclear physicsCaen Normandie Physique, Sciences de l’Ingénieur, Matériaux, Énergie (PSIME) SaclayThis project investigates the structure and reactions of exotic atomic nuclei near the limits of stability, where nuclei may be weakly bound or unbound. Recent advances in radioactive-ion-beam… -
Investigating alpha-clustering in neutron-rich Oxygen isotopes
GANIL : Particle physicsCaen Normandie Physique, Sciences de l’Ingénieur, Matériaux, Énergie (PSIME) SaclayThis thesis aims to investigate the formation of alpha particles as a function of the neutron abundance of oxygen isotopes and their influence on nuclear structure. An experiment at GANIL will… -
Experimental Study of the 4He 02+ Resonance through Multichannel Decay Using the ACTAR TPC
GANIL : Particle physicsCaen Normandie Physique, Sciences de l’Ingénieur, Matériaux, Énergie (PSIME) SaclayThis thesis aims to conduct an experimental study of an unstable excited state of the helium-4 nucleus, in order to gain a better understanding of its structure and decay modes. Using a specialised… -
Development of a helium-based stopping cell for laser spectroscopy experiments at S3
GANIL : Particle physicsCaen Normandie Physique, Sciences de l’Ingénieur, Matériaux, Énergie (PSIME) SaclayThis thesis aims to develop a new laser spectroscopy technique to study the atomic and nuclear properties of superheavy elements. It focuses primarily on the design of an experimental instrument and… -
Towards Intelligent VAMOS++: Physics-Informed AI for Adaptive and Reproducible Nuclear Instrumentation
GANIL : Nuclear physicsCaen Normandie Physique, Sciences de l’Ingénieur, Matériaux, Énergie (PSIME) SaclayRecent developments at GANIL have demonstrated the opportunities opened by AI methods for trajectory reconstruction, particle identification and self-supervised detector calibration in the VAMOS++… -
Machine Learning-Based 3D Dose Reconstruction from Limited Scintillation Projections for Proton Therapy Dosimetry
GANIL : Medical imagingCaen Normandie Physique, Sciences de l’Ingénieur, Matériaux, Énergie (PSIME) SaclayRadiotherapy is an important modality in treatment cancer. In this domain, proton beams have ballistic superiority against photon beams. Among the existing delivery techniques, pencilbeam scanning… -
PIPERADE: Offline commissioning and first online experiments at DESIR
GANIL : Particle physicsBordeaux Ecole Doctorale des Sciences Physiques et de l’Ingénieur SaclayPIPERADE (PIèges de PEnning pour les RAdionucléides à DESIR) is a double Penning trap being developed in Bordeaux, which will be installed at the DESIR facility at GANIL. This instrument has two…