A code for the optimization of RF voltage waveform and longitudinal beam dynamics simulation in an RCS

被引：7

作者：

Yuan, Yao-Shuo ^{[1
]}

Wang, Na ^{[1
]}

Xu, Shou-Yan ^{[1
]}

Wang, Sheng ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2013年 / 729卷

基金：

中国国家自然科学基金;

关键词：

RF voltage waveform; Dual harmonic RF system; Longitudinal beam dynamics simulation;

D O I：

10.1016/j.nima.2013.08.055

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In a Rapid Cycling Synchrotron (RCS), the dipole and quadrupole fields oscillate sinusoidally with a high repetition rate. High RE voltage is required to match the rapid change of the dipole field, and the choices of the RE voltage and synchronous phase waveform are important issues in the design of an RCS. The longitudinal beam dynamics simulation plays a key role in optimizing the RE voltage waveform. A code has been developed for both RF voltage waveform optimization and longitudinal beam dynamics simulation in an RCS. The code can be applied to both fundamental and dual harmonic RF systems, with dipole field oscillating as a sine wave or slightly deviated sine wave. In the simulation, the space charge effect is included, and the influence of the higher order modes of RE cavity on the beam can also be simulated. The code was applied to the RCS of China Spallation Neutron Source (CSNS), for optimizing the RE voltage waveform of dual harmonic RF system and beam dynamics simulation study. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：864 / 869

页数：6

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