PoS - Proceedings of Science
Volume 412 - RDP online PhD school and workshop "Aspects of Symmetry" (Regio2021) - Session 8
A two-potential formalism for the pion vector form factor
G. Chanturia
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Published on: May 16, 2022
We present a two-potential formalism for the pion vector form factor, which combines high-accuracy elastic phase shift data with an interaction potential between coupled channels. The model is fit to form factor data along with data from different $I=1$ channels simultaneously. The $\pi\pi$ P-wave phase shift is used as an input. The interaction potential is composed of $s$-channel resonances. The results both including and excluding the input phase shift are discussed.
DOI: https://doi.org/10.22323/1.412.0030
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