Abstract: Pawel Nadel-Turonski

Detector and interaction region development for the MEIC at JLab

The Electron-Ion Collider (EIC) is envisioned as the next-generation US facility for exploring the strong interaction. The Medium-energy EIC (MEIC) is the first stage of the EIC at Jefferson Lab (JLab), designed for mapping the spin- and spatial structure of the quark and gluon sea in the nucleon, understanding the emergence of hadronic matter from color charge, and probing the gluon fields in nuclei. Kinematically, its coverage will span the full range between JLab 12 GeV and HERA. Achieving these goals requires an accelerator providing high performance over a wide range of energies for polarized protons, deuterons, and other light ions, as well as different species of heavy ions. To fully utilize this capability one needs a full-acceptance detector able to detect all fragments, nuclear or partonic, including spectators, with high resolution, and to provide a wide coverage in -t for recoil baryons from exclusive (diffractive) reactions at all beam energies. The combination of a high luminosity, polarized lepton and ion beams, and detectors fully integrated with the accelerator makes the MEIC highly suited for fulfilling these requirements.