Nuclear matter in extreme states

Nuclear matter in extreme states

The IRFU studies the strong interaction, the force responsible for the cohesions of the nucleons and the nuclei. This fundamental research is performed mainly from the experimental side but also from the theoretical one. The strong interaction acts at two different levels. First, at the level of quarks and gluons to confine them within the nucleons or to deconfine them in a quark-gluon plasma. Second, at the level of the nucleons to form the different atomic nuclei. The goal of the research carried out at the IRFU ...

Nuclear reaction dynamics

Quark-gluon plasma

Nuclear structure

The ultimate constituents of matter

The ultimate constituents of matter

Basic research in the subnuclear realm deals with tiniest entities in our Universe. Dapnia strives to answer unsolved questions about these: What is the origin of mass? Is there a single, universal force? What are the properties of neutrinos? ...

The Standard Model

Antimatter

Neutrino Physics

Hadron structure

Energy content of the Universe

Energy content of the Universe

We now know that we observe but a small fraction of the Universe’s content. What are its main building blocks? Dark matter, dark energy, the fate of primordial antimatter are at the core of this research. ...

Dark Universe

Antimatter

Intensive computation and simulation

Intensive computation and simulation

Physics experiments are making an increasing use of electronic data processing. Information technology and numerical techniques have become essential, be it to operate increasingly complex instruments, to perform simulations for data analysis and the interpretation of physical phenomena, or to share the acquired knowledge. Through its expertise and technological innovations, DAPNIA actively contributes to the development of information technologies for physics applications. ...

Structure formation in the Universe

Structure formation in the Universe

Studying the structuration of the Universe consists in studying how galaxies, galaxy clusters, stars and planets form and evolve. The starting point of the structuration of the Universe is well known: the tiny inhomogeneities in the diffuse cosmological background, as observed by WMAP and more recently by Planck. The theoretical framework of the studies is the so-called “cosmological concordance model”, with its two components: dark energy and dark matter. Then, observing the structuration of the Universe ...

Cosmology and structure formation in the Universe

Galaxy formation and evolution

Innovation for detection systems

Innovation for detection systems

New instruments for physics research require state-of-the art knowledge, as well as untried technologies. Researchers-engineers and technicians at Dapnia are designing and building, in collaboration with industry, the necessary equipment for physics experiments at laboratories around the world, be they large accelerators,  telescopes or satellites. ...

Development of detectors

Signal processing and real time systems

Superconducting magnets and particle accelerators

Superconducting magnets and particle accelerators

Accelerators play a crucial role in the physics of the infinitely small, where the goal is to explore new domains of energy (access to new particles) and intensity (access to rare phenomena). All particle accelerators use magnets to transport the beam. All particle physics experiments need large magnets to deduce the properties of emitted charged particles by detecting them. Accelerators and magnets are thus key elements of any subatomic physics experimental program. Irfu’s aim is to be able to make a major ...

High-intensity ion linear accelerators

Electron-positron linear accelerators

Developments for future particle accelerators

Superconducting magnets

Developments for future superconducting magnets

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