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CLAS12

A shining jewel of fundamental research in nuclear physics for the next two decades. A state-of-the-art particle detector meticulously exploring the intricacies of atomic nuclei and subatomic particles. Its operating mode, based on the collision of highly energetic electron beams with specific targets, opens doors to new perspectives on the essential structure and deep properties of matter.
This breakthrough has paved the way for a completely revolutionary approach to elucidating the complex structure of the proton.

Proton's new views

Latifa Elouadrhiri recently supervised experiments that bombarded protons with particles of light acting as substitutes for gravitons, the hypothetical particles transmitting gravity. These experiments demonstrated that at the heart of the proton, the strong force generates pressures of unimaginable intensity—100 billion trillion trillion pascals—and that the tangential shear force inside the proton changes direction near 𝑟≈0.45 fm. Peak: 38,000 N (4 metric tons).

The results were published in the prestigious Journal of Review of Modern Physics (Reviews of Modern Physics 95, 041002 (2023)).