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29 March 2024
 
  » arxiv » 1801.5858

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D-term, strong forces in the nucleon, and their applications
Maxim V. Polyakov ; Peter Schweitzer ;
Date 17 Jan 2018
AbstractThe D-term is a fundamental particle property which is defined through the matrix elements of the energy-momentum tensor and as such in principle on equal footing with mass and spin. Yet the experimental information on the D-term of any hadron is very scarce. The D-term of the nucleon can be inferred from studies of hard-exclusive reactions, and its measurement will give valuable insights on the dynamics, structure, and the internal forces inside the nucleon. We review the latest developments and the fascinating applications of the D-term and other energy-momentum tensor (EMT) form factors. We also suggest a definition of the mechanical mean square radius and make a prediction for its size.
Source arXiv, 1801.5858
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