The Enigma of the Mass
V.G. Plekhanov

TL;DR
This paper discusses the unresolved issue of mass origin in matter, emphasizing the role of charge symmetry breaking and the need to understand chiral symmetry breaking in QCD to clarify the mass hierarchy.
Contribution
It highlights the current gaps in explaining the mass pattern of nucleons and quarks within the Standard Model and underscores the importance of chiral symmetry breaking in QCD.
Findings
Charge symmetry breaking affects strong interaction mass differences.
Standard Model cannot fully explain the observed mass hierarchy.
Understanding chiral symmetry breaking is key to resolving the mass origin.
Abstract
Charge symmetry breaking in the strong interaction occurs because of the difference between the masses of the up and down quarks. At present the Standard Model can't explain the observed mass pattern (M(n), M(p), m(u), m(d) etc.) and their hierarchy. The last one doesn't permit us to find the origin of the isotope effect. The origin of the mass of matter will be clarified when the mechanism of chiral symmetry breaking in QCD is established.
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Taxonomy
TopicsRelativity and Gravitational Theory · Quantum Chromodynamics and Particle Interactions · High-pressure geophysics and materials
