Requirements for equipment in cooling section of EIC Low Energy Cooler

The Electron Ion Collider (EIC) requires an electron cooler operating at the EIC injection energy to obtain the design proton beam emittances. A non-magnetized RF-based electron cooler, the EIC Low Energy Cooler (LEC), is currently under design. It will be operating at γ-factor 25 and will be delivering 70 mA electron current to a 170 m long cooling section (CS). To obtain required cooling an input from electron-proton relative trajectory misalignment into an overall angles in the cooling section must be kept below 15 urad. In this paper we give comprehensive consideration of the factors affecting the trajectory angles and set the resulting requirements to various CS subsystems.

Authors

Publication Details

Journal
JACOW
Published
2026-01-20
DOI
https://doi.org/10.18429/jacow-ibic2025-tupco26
Primary Topic
Particle Accelerators and Free-Electron Lasers
Type
article
Field-Weighted Citation Impact
0.00
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article

Requirements for equipment in cooling section of EIC Low Energy Cooler

Dmitry Kayran, Alexei Fedotov, Sergei Seletskiy
JACOW
Particle Accelerators and Free-Electron Lasers
article

Requirements for equipment in cooling section of EIC Low Energy Cooler

Dmitry Kayran, Alexei Fedotov, Sergei Seletskiy
article en

Abstract

The Electron Ion Collider (EIC) requires an electron cooler operating at the EIC injection energy to obtain the design proton beam emittances. A non-magnetized RF-based electron cooler, the EIC Low Energy Cooler (LEC), is currently under design. It will be operating at γ-factor 25 and will be delivering 70 mA electron current to a 170 m long cooling section (CS). To obtain required cooling an input from electron-proton relative trajectory misalignment into an overall angles in the cooling section must be kept below 15 urad. In this paper we give comprehensive consideration of the factors affecting the trajectory angles and set the resulting requirements to various CS subsystems.

JACOW
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Particle Accelerators and Free-Electron Lasers
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