Fig. 1: Elastic unitarity relation for the pion GFFs Fπ = {Aπ, Dπ}. | Nature Communications

Fig. 1: Elastic unitarity relation for the pion GFFs Fπ = {Aπ, Dπ}.

From: Dispersive determination of nucleon gravitational form factors

Fig. 1: Elastic unitarity relation for the pion GFFs Fπ = {Aπ, Dπ}.The alt text for this image may have been generated using AI.

The blue dashed lines denote pions, the double wiggly lines represent the external QCD EMT current, and the red vertical dashed line indicates that the intermediate pion pair are to be taken on-shell.

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