Griffiths Introduction to Elementary Particles · Problem 1.5

Elementary Particle Dynamics — David J. Griffiths

Physics — QFT · gell-mann-okubo-mass-formula-mesons

Problem

The same formula applies to the mesons (with Σ→π\Sigma \to \pi, Λ→η\Lambda \to \eta, etc.); only, for reasons that remain something of a mystery, in this case you must use the squares of the masses. Use this to ``predict'' the mass of the η\eta. How close do you come?

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