Particules

 

On the 16th and 17th of September was held in Paris the kick-off meeting for the Astrophysics Centre for Multimessenger studies in Europe – ACME. This HORIZON-INFRA-2023-SERV-01 EU-funded project coordinated by Centre national de la recherche scientifique CNRS aims to realize an ambitious coordinated European-wide optimization of the accessibility and cohesion...


Les 16 et 17 septembre s'est tenue à Paris la réunion de lancement du Astrophysics Centre for Multimessenger studies in Europe - ACME. Ce projet HORIZON-INFRA-2023-SERV-01 financé par l'UE et coordonné par le Centre national de la recherche scientifique CNRS vise à réaliser une ambitieuse optimisation coordonnée à l'échelle européenne de l'accessibilité et de la cohésion entre plusieurs infrastructures de recherche de pointe en matière d'astroparticules et d'astronomie, offrant un accès aux instruments, aux données et à l’expertise, axés sur la nouvelle science de l'astrophysique...

Confronting the primary systematic uncertainties towards the DUNE precision era of neutrino oscillation measurements

The next generation of accelerator-based neutrino oscillation experiments, DUNE and Hyper-Kamiokande, have the potential to revolutionise our understanding of fundamental physics, offering opportunities to: characterise charge-parity (CP) violation in the lepton section (potentially linked to the matter-antimatter imbalance in the Universe); determine the neutrino mass ordering; and to search for physics even further beyond the standard model.

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?

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