STUDY OF RESISTIVE-WALL EFFECTS ON SOLEIL

STUDY OF RESISTIVE-WALL EFFECTS ON SOLEIL
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电阻墙对太阳影响的研究

DOI：
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发表时间：
2004
期刊：
影响因子：
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通讯作者：
Synchrotron Soleil
Synchrotron Soleil
中科院分区：
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文献类型：
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作者：
R. Nagaoka;Synchrotron Soleil

文献摘要

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本文介绍了如何组织连续壁上的机器数据和评价SOLEIL储存环连续壁的影响。不稳定性预计将出现从低束流在两个横向平面。在多束团和单束团中，估计了腔室截面不对称引起的非相干调谐偏移的程度。结果表明，采用负电子膜提高真空抽气性能，使阻抗的电抗部分增加了近一倍。
The paper describes the way the machine data on the resistive-wall is organised and the impact of the resistivewall evaluated for the SOLEIL storage ring. The instability is expected to appear from low beam currents in both transverse planes. The degree of incoherent tune shift arising from the chamber cross section asymmetry is estimated in multibunch as well as in single bunch. It is found that the NEG coating adopted to enhance the vacuum pumping performance nearly doubles the reactive part of the impedance.