17–22 May 2026
C.I.D
Europe/Zurich timezone

Accelerator Design Educational Primer – Conceptualizing and Optimizing the Hybrid LHeC-like Electron-Ion Collider Design

WEV1301
20 May 2026, 16:00
2h
C.I.D

C.I.D

Deauville, France
Invited poster MC1.A19: Lepton-Hadron Colliders Poster session

Speaker

Andrei Seryi (Old Dominion University)

Description

The Electron-Ion Collider (EIC) Mission Need requires √s = 20–100 GeV (upgradable to 140 GeV) and luminosity 10³³–10³⁴ cm⁻² s⁻¹. The current ring-ring baseline achieves the full scope, including ~10³⁴ cm⁻² s⁻¹ across all energies. However, when the design is re-optimized for the lower boundary — accepting ~10³³ cm⁻² s⁻¹ and prioritizing cost — an alternative configuration emerges as more advantageous: a hybrid LHeC-like electron accelerator using multi-pass energy recovery linacs (ERL).
This solution reduces electron-beam power by roughly an order of magnitude, yielding nearly a factor of two reduction in total project cost compared with the present baseline while still satisfying the minimum physics requirements. The study performs parametric cost and performance modeling, augmented by AI-driven optimization, to explore this design space.
Serving primarily as an educational exercise for the next generation of accelerator physicists and engineers, the paper demonstrates modern design methods: rapid parametric scans, cost-driven optimization, and integration of AI tools. It examines technical feasibility, identifies critical R&D (high-current ERL operation, beam–beam effects, synchronization, etc.), and discusses how such re-optimization studies can be used to train designers in an era when artificial intelligence dramatically expands exploration of complex accelerator parameter spaces.

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Author

Andrei Seryi (Old Dominion University)

Co-authors

Arianna Formenti (Lawrence Berkeley National Laboratory) Dr Axel Huebl (Lawrence Berkeley National Laboratory) Carl A. Lindstrøm (University of Oslo) Chad Mitchell (Lawrence Berkeley National Laboratory) Edoardo Zoni (Lawrence Berkeley National Laboratory) Jean-Luc Vay (Lawrence Berkeley National Laboratory) Ji Qiang (Lawrence Berkeley National Laboratory) Lode Vanhecke (École Polytechnique Fédérale de Lausanne) Léon van Riesen-Haupt (Old Dominion University) Remi Lehe (Lawrence Berkeley National Laboratory) Tatiana Pieloni (École Polytechnique Fédérale de Lausanne)

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