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Understanding the proton mass in QCD

Andreas Metz, Barbara Pasquini, Simone Rodini

SciPost Phys. Proc. 8, 105 (2022) · published 13 July 2022

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28th Annual Workshop on Deep-Inelastic Scattering (DIS) and Related Subjects


Understanding the proton mass in quantum chromodynamics (QCD) is a very important and current topic in hadronic physics. The decomposition (sum rule) of the proton mass is not unique, and different sum rules, which are related to the QCD energy-momentum tensor, can be found in the literature. We review and compare these sum rules and identify open questions in this field.

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