Preprint
Oct 2026
Effective field theory of scalar glueballs: Form factors and interaction radii
We develop a gauge-invariant effective field theory for scalar glueball interactions based on the Yang-Mills gluon condensate. Starting from a coherent-state formulation of the Yang-Mills vacuum, we derive an effective Lagrangian for the scalar glueball and its interactions with gluons. The resulting crossing-symmetric...
A. Issifu, O. Oliveira, T. Frederico
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