⚛ The proton is everywhere. It's one of the constituents of atomic nuclei. It's even the most abundant constituent of the Universe and visible matter. While we have a good idea of its overall structure and mass, there are still many mysteries surrounding this particle.
❓ Among these questions: the mass of the proton should be roughly equal to that of the three quarks that constitute it. And this is not at all the case. Where does this difference come from? Where is the missing mass? Scientists from CEA-Irfu and IJCLab explain this fascinating quest through various experimental and theoretical investigations. Ready to dive into the intriguing universe of protons?

🌌Access the film by chapter:
· 00:30: What do we know about the proton?
· 05:05: Accelerators
· 06:25: Elastic scattering
· 09:03: Inelastic scattering
· 11:59: Annihilation
· 14:18: To conclude

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