Particules

DUNE - exploiting light and charge in the Vertical Drift detector

The Deep Underground Neutrino Experiment (DUNE) is a next generation neutrino oscillation experiment. A high power wide-band beam operating in neutrino (anti-neutrino) mode will be produced at FNAL (Chicago). Some 1,300 km away, deep underground at the Sandford Underground Research Facility (South Dakota), four gigantic Far Detector modules will measure νμ (anti-νμ) disappearance, νe (anti-νe) and ντ (anti-ντ) appearance with the goals of:

Search for light dark matter candidates with the DarkSide-20k liquid argon time projection chamber

Dark Matter is one of the main puzzles in fundamental physics and Weakly Interacting Massive Particles (WIMP) are among the best-motivated dark matter particle candidates. As of today, the most sensitive experimental technique to discover the WIMPs in the mass range from 1 GeV/c2 to 10 TeV/c2 is the dual phase Time Projection Chamber (TPC) filled with noble liquids. The “dual-phase” approach has the main advantage to provide simultaneous access to the ionization and to the scintillation signals.

Event reconstruction in DarkSide-20k, a liquid argon TPC for direct dark matter search

Dark Matter is one of the main puzzles in fundamental physics and Weakly Interacting Massive Particles (WIMP) are among the best-motivated dark matter particle candidates. As of today, the most sensitive experimental technique to discover the WIMPs in the mass range from 2 GeV to 10 TeV is the dual phase Time Projection Chamber (TPC) filled with noble liquids. DarkSide-20k is the next generation of Liquid Argon (LAr) TPC, which will be running at LNGS (Italy) from 2026 with 50-ton active mass.

Studying supernovae at KM3NeT with low- and high-energy neutrinos

Core-collapse supernovae, the collapse of heavy stars under their own weight, are key drivers of the evolution of galaxies associated with multiple unsolved questions: Why do so many of them lead to cataclysmic explosions? Under what conditions do they create black holes? And could supernovae produce cosmic rays, these ultra-high energy nuclei which are observed on Earth but whose origin is unknown? Answers to these key questions could be provided by neutrinos.

Measuring the Neutrino Mass Ordering with KM3NeT/ORCA and JUNO

Neutrino physics is one of the most exciting topics in contemporary physics, leading to two Nobel prizes in the last 20 years for the detection of cosmic neutrinos and the discovery that neutrinos have mass. The massive nature of neutrinos is arguably the strongest indication of physics beyond the Standard Model of particle physics, opening a number of fundamental questions: What is the mechanism for neutrino mass generation? Are neutrinos responsible of the matter-antimatter imbalance in the universe? Can neutrinos tell us something about the unification of fundamental forces?

The Deep Underground Neutrino Experiment (DUNE): the Vertical Drift far detector and its prototype

DUNE [a,b] is a next-generation neutrino oscillation experiment to measure unknown parameters of the Standard Model of particle physics and to search for new phenomena.  A high power wide-band beam operating in neutrino or anti-neutrino mode will be produced at Fermilab; its flux and flavour composition will be characterised with the Near Detector.  At a distance of 1,300 km, deep underground at the Sanford Underground Research Facility (SURF, South Dakota), four gigantic Far Detector modules will measure the three neutrino flavours with the goals of determining the Neutrino Mass Or

Sim-to-real adaptation in the KM3NeT/ORCA detector

Neutrino physics is one of the most exciting topics in contemporary physics, leading to two Nobel prizes in the last 20 years for the detection of cosmic neutrinos and the discovery that neutrinos have mass. The massive nature of neutrinos is arguably the strongest indication of physics beyond the Standard Model of particle physics, opening a number of fundamental questions: What is the mechanism for neutrino mass generation? Are neutrinos responsible of the matter-antimatter imbalance in the universe? Can neutrinos tell us something about the unification of fundamental forces?

Mesure de désintégrations hadroniques du boson de Higgs et calorimètre électromagnétique du Futur Circular Collider

The student will perform, with simulated event samples, a study of the sensitivity of the measurement of  Higgs boson decays to hadrons at the Futur Circular Collider, for the measurement of the Higgs Yukawa couplings to quarks of the second and third families.
In addition, the student will also have the possibility - if time allows - to work on the detailed simulation of the electromagnetic calorimetry section of one of the proposed detector designs for FCC.

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