Collimation system baseline design for the electron storage ring at the Electron-Ion Collider

Author(s): Andrii Natochii, Elke-Caroline Aschenauer, Karim Hamdi, Charles Hetzel, Eric Link, Daniel Marx, Christoph Montag, Steven Tepikian, Yunhai Cai, and Yuri NosochkovHigh-current electron storage rings require efficient collimation to protect superconducting magnets and minimize detector backgrounds. We present the first baseline collimation system design for the Electron-Ion Collider electron ring, combining optimized lattice integration with multi-turn particle tracking simulations. The proposed system localizes beam losses and reduces interaction-region losses by up to two orders of magnitude while preserving machine acceptance and beam lifetime, establishing a robust foundation for future EIC operations.[Phys. Rev. Accel. Beams 29, 074202] Published Wed Jul 29, 2026