E+ @ eRHIC Sub-Group

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Although positron beams are not part of the baseline design of the Electron-Ion Collider (EIC), they would definitely enhance the physics reach of the EIC. Particularly, they are mandatory for the unambiguous understanding of the DVCS process and the extraction of the Compton form factors. The EIC User Group recently launched the Yellow Report Initiative with the aim of quantifying physics measurements and implications for detector design. In that respect, we develop here the DVCS physics case for unpolarized and polarized positron beams at EIC.

Event generator

Experimental observables

Compton form factor extraction