Simulation of longitudinal beam manipulation during multi-turn injection in J-PARC RCS

Simulation of longitudinal beam manipulation during multi-turn injection in J-PARC RCS
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J-PARC RCS 多转注入过程中纵梁操纵仿真

DOI：
10.1016/j.nima.2010.04.050
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发表时间：
2010
期刊：
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment
影响因子：
1.4
通讯作者：
M. Yoshii
M. Yoshii
中科院分区：
物理与天体物理3区
文献类型：
--
作者：
M. Yamamoto;M. Nomura;A. Schnase;T. Shimada;H. Suzuki;F. Tamura;E. Ezura;K. Hara;K. Hasegawa;C. Ohmori;K. Takata;A. Takagi;M. Toda;M. Yoshii

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在高强度质子同步加速器中，为了减轻注入处的空间电荷效应，需要控制束流的纵向发射度。在J-PARC的快速循环同步加速器中，我们的目标是在多圈注入期间和之后获得并保持高聚束因子。我们研究了聚束因子对二次谐波射频内容，动量偏移，和二次谐波相位扫描的依赖关系。我们发现了一个最佳条件的组合，这些纵向射频操纵，结果在一个平坦的聚束形状注入后。
In a high intensity proton synchrotron the longitudinal beam emittance should be controlled to alleviate space charge effects at the injection. At the rapid cycling synchrotron in J-PARC our goal is to obtain and keep a high bunching factor during and after multi-turn injection. We have investigated the dependence of the bunching factor on second harmonic rf content, momentum offset, and second harmonic phase sweep. We found an optimum condition of the combination of these longitudinal rf manipulations that results in a flat bunch shape after injection.
Beam commissioning of the 3-GeV rapid cycling synchrotron of the Japan Proton Accelerator Research Complex
日本质子加速器研究综合体 3-GeV 快速循环同步加速器的束流调试
DOI： --
发表时间： 2009
期刊： Phys. Rev. 12
影响因子： --
作者：
H. Hotchi;M. Kinsho;K. Hasegawa;N. Hayashi;Y. Hikichi;S. Hiroki;J. Kamiya;K. Kanazawa;M. Kawase;F. Noda;M. Nomura;N. Ogiwara;R. Saeki;P.K. Saha;A. Schnase;Y. Shobuda;T. Shimada;K. Suganuma;H. Suzuki;H. Takahashi;T. Takayanagi;O. Taked
通讯作者： O. Taked