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Emittance Measurement at BEPCⅡ Linac 被引量:3

BEPCⅡ直线加速器发射度测量
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摘要 Further studies on beam emittance measurement have been made to improve the emittance measurement precision at BEPCⅡ linac.Some problems in the measurement are solved and a code for beam emittance calculation is developed.With these improvements,the emittance measurement precision was upgraded. BEPCⅡ直线加速器采用改变四极磁铁励磁电流,测量获取的束流横截面荧光图像得到束流包络,进而通过对束流包络和励磁电流的拟合计算得到束流发射度和Twiss参数.在BEPCⅡ直线加速器的改进过程中,发现并解决了影响发射度测量结果准确性的多个问题,改进了束流横截面测量方法和发射度计算方法,提高了测量结果的准确性.根据BEPCⅡ直线加速器的具体情况,还编写了束流截面测量程序和发射度计算程序,提高了发射度的测量和计算速度,方便了发射度测量实验的使用.
出处 《Chinese Physics C》 SCIE CAS CSCD 北大核心 2008年第z1期86-88,共3页 中国物理C(英文版)
关键词 BEPCⅡ Linac EMITTANCE beam envelope BEPCⅡ直线加速器 束流发射度 束流包络
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共引文献10

同被引文献12

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