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Craig Roberts19/04/2026, 11:30
Visible matter is characterised by a single mass scale; namely, the proton mass. The proton’s existence and structure are supposed to be described by quantum chromodynamics (QCD), the strong interaction part of the Standard Model; yet, absent Higgs boson couplings, chromodynamics is scale-invariant. Thus, if the Standard Model is truly a part of the theory of Nature, then the proton mass is an...
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Fei Gao19/04/2026, 12:00
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