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3D structure of hadrons and energy-momentum tensor

2024/07/15 by Cédric Lorcé, Lorcé, Cédric
Earth and Planetary Sciences · Engineering · Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High-pressure geophysics and materials #Nuclear Theory (nucl-th) #Quantum Chromodynamics and Particle Interactions #Superconducting Materials and Applications

paper · pdf · doi:10.48550/arxiv.2407.10496

openalex publication_date 2024/07/15 · openalex created_date 2024/07/17 · openalex updated_date 2026/07/28

Abstract

The three-dimensional spatial structure of hadrons is encoded in their form factors. Via appropriate Fourier transform, the latter describe how charge, energy, linear and angular momentum, but also pressure are distributed inside these systems. Electromagnetic form factors of the nucleon have been measured for a long time, but it is only recently that some gravitational form factors have been extracted from experimental data, creating a great deal of enthusiasm in the hadronic community. Here we summarize some of the recent developments on the interpretation of these form factors, and provide a quick overview of what we can learn about the nucleon mass, spin and internal pressure.

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