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THE NON-LINEAR SPACE CHARGE FIELD COMPENSATION OF THE ELECTRON BEAM IN THE HIGH ENERGY STORAGE RING OF FAIR

A. N. Chechenin, R. Maier, Yu. Senichev

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Abstract

In the High Energy Storage Ring, a part of the FAIR project at GSI in Darmstadt, the internal target is used [1]. To compensate the interaction of the antiproton beam with the target the electron beam cooling is needed. However, together with the cooling the non-linear space charge field of electron beam modifies the dynamic aperture for the antiproton beam due to the structural resonance influence. We investigate the possible schemes of this effect compensation using the multi-pole correctors on the HESR.

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What this paper is about

In the High Energy Storage Ring, a part of the FAIR project at GSI in Darmstadt, the internal target is used [1]. To compensate the interaction of the antiproton beam with the target the electron beam cooling is needed. However, together with the cooling the non-linear space charge field of electron beam modifies the dynamic aperture for the antiproton beam due to the structural resonance influence. We investigate the possible schemes of this effect compensation using the multi-pole correctors on the HESR.

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Available abstract

In the High Energy Storage Ring, a part of the FAIR project at GSI in Darmstadt, the internal target is used [1]. To compensate the interaction of the antiproton beam with the target the electron beam cooling is needed. However, together with the cooling the non-linear space charge field of electron beam modifies the dynamic aperture for the antiproton beam due to the structural resonance influence. We investigate the possible schemes of this effect compensation using the multi-pole correctors on the HESR.

Key concepts: Storage ring, Antiproton, Electron cooling, Dynamic aperture, Beam (structure), Physics, Space charge, Linear particle accelerator

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