A dispersive analysis of $$\varvec{\eta '\rightarrow \pi ^+\pi ^-\gamma }$$ and $$\varvec{\eta '\rightarrow \ell ^+\ell ^-\gamma }

Holz, Simon ; Hanhart, Christoph ; Hoferichter, Martin ; Kubis, Bastian

The European physical journal. C, Particles and fields, 2022-05, Vol.82 (5), Article 434 [Periódico revisado por pares]

Germany: Springer Science + Business Media

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