Forces inside hadrons: Pressure, surface tension, mechanical radius, and all that

By M. Polyakov, P. Schweitzer. International Journal of Modern Physics A, 2018

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The physics related to the form factors of the energy–momentum tensor spans a wide spectrum of problems, and includes gravitational physics, hard-exclusive reactions, hadronic decays of heavy quarkonia, and the physics of exotic hadrons described as hadroquarkonia. It also provides access to the “last global unknown property:” the D-term. We review the physics associated with the form factors of the energy–momentum tensor and the D-term, their interpretations in terms of mechanical properties, their applications, and the current experimental status.

Subfields: Geochemistry and Petrology, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/e94b66a72fc53c5bb226ab2786deeb7d17a1797d