Instability phenomena of electron-cooled ion beams at COSY

被引：8

作者：

Kamerdzhiev, V

Dietrich, J

Maier, R

Meshkov, IN

Mohos, I

Prasuhn, D

Sidorin, A

Stein, HJ

Stockhorst, H ^{[1
]}

机构：

[1] Forschungszentrum Julich GmbH, D-52425 Julich, Germany

[2] Joint Inst Nucl Res, Dubna 141980, Russia

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2004年 / 532卷 / 1-2期

关键词：

cooling; instabilities; stacking; extraction; feedback;

D O I：

10.1016/j.nima.2004.06.101

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

At the cooler synchrotron COSY electron cooling is used after stripping injection of H- or D- ions in order to prepare phase-space-dense ion beams before acceleration to a requested energy. The electron-cooled beam has been successfully applied for specific external experiments. In addition, stacking of an electron cooled beam at injection could significantly increase the stored beam intensity. Transverse coherent instabilities due to beam-wall interaction occurring at higher intensities could be cured through chromaticity correction either by introducing more Landau damping or by applying an active transverse feedback system. This led to an increase in intensity and stability of a cooled beam. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：285 / 290

页数：6

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