A Collimation System Baseline Design for the Electron Storage Ring at the Electron-Ion Collider
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arXiv
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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866908728123457536 |
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| author | Natochii, Andrii Aschenauer, Elke-Caroline Hamdi, Karim Hetzel, Charles Link, Eric Marx, Daniel Montag, Christoph Tepikian, Steven Cai, Yunhai Nosochkov, Yuri |
| author_facet | Natochii, Andrii Aschenauer, Elke-Caroline Hamdi, Karim Hetzel, Charles Link, Eric Marx, Daniel Montag, Christoph Tepikian, Steven Cai, Yunhai Nosochkov, Yuri |
| contents | We present the baseline design of the electron ring collimation system for the Electron-Ion Collider (EIC) at Brookhaven National Laboratory (BNL). The system addresses beam losses in a high-current electron storage ring with superconducting (SC) final-focus magnets and sensitive detectors, where uncontrolled losses can generate heat loads, radiation, and detector backgrounds and damage. The proposed collimation insertion localizes halo particle losses through reducing interaction region beam losses from beam-gas and Touschek scattering by several orders of magnitude while keeping detector backgrounds and cryostat heat loads within acceptable limits. Multi-turn particle tracking simulations show that the collimators do not significantly impact machine acceptance or beam lifetime, and their positions and apertures can be re-optimized for future lattice configurations. Ongoing work includes incorporating crab cavities and solenoid fields into simulations, refining vacuum conditions, and optimizing collimator geometry and materials. This design establishes a robust baseline for the EIC electron ring collimation system and supports continued lattice optimization for machine operations. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2512_19502 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A Collimation System Baseline Design for the Electron Storage Ring at the Electron-Ion Collider Natochii, Andrii Aschenauer, Elke-Caroline Hamdi, Karim Hetzel, Charles Link, Eric Marx, Daniel Montag, Christoph Tepikian, Steven Cai, Yunhai Nosochkov, Yuri Accelerator Physics We present the baseline design of the electron ring collimation system for the Electron-Ion Collider (EIC) at Brookhaven National Laboratory (BNL). The system addresses beam losses in a high-current electron storage ring with superconducting (SC) final-focus magnets and sensitive detectors, where uncontrolled losses can generate heat loads, radiation, and detector backgrounds and damage. The proposed collimation insertion localizes halo particle losses through reducing interaction region beam losses from beam-gas and Touschek scattering by several orders of magnitude while keeping detector backgrounds and cryostat heat loads within acceptable limits. Multi-turn particle tracking simulations show that the collimators do not significantly impact machine acceptance or beam lifetime, and their positions and apertures can be re-optimized for future lattice configurations. Ongoing work includes incorporating crab cavities and solenoid fields into simulations, refining vacuum conditions, and optimizing collimator geometry and materials. This design establishes a robust baseline for the EIC electron ring collimation system and supports continued lattice optimization for machine operations. |
| title | A Collimation System Baseline Design for the Electron Storage Ring at the Electron-Ion Collider |
| topic | Accelerator Physics |
| url | https://arxiv.org/abs/2512.19502 |