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Related papers: Injection orbit matching for CSNS/RCS

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For the China Spallation Neutron Source (CSNS), a combination of the H- stripping and phase space painting method is used to accumulate a high intensity beam in the Rapid Cycling Synchrotron (RCS). In this paper, firstly, the injection…

Accelerator Physics · Physics 2015-10-19 Ming-Yang Huang , Sheng Wang , Nan Huang , Jing Qiu , Shou-Yan Xu , Liang-Sheng Huang

The China Spallation Neutron Source (CSNS) accelerator uses H- stripping and phase space painting method of filling large ring acceptance with the linac beam of small emittance. The beam commissioning software system is the key part of CSNS…

Accelerator Physics · Physics 2015-10-19 Ming-Yang Huang , Sheng Wang , Wei-Bin Liu , Jing Qiu , Liang-Sheng Huang

The injection system of the China Spallation Neutron Source uses H- stripping and phase space painting method to fill large ring acceptance with the linac beam of small emittance. The emittance evolution, beam losses, and collimation…

Accelerator Physics · Physics 2012-10-18 Ming-Yang Huang , Shou-Yan Xu , Jing Qiu , Sheng Wang

The China Spallation Neutron Source (CSNS) uses H- stripping and phase space painting method to fill large ring acceptance with the linac beam of small emittance. The dependence of the painting beam on the injection beam parameters was…

Accelerator Physics · Physics 2013-05-24 Ming-Yang Huang , Sheng Wang , Jing Qiu , Na Wang , Shou-Yan Xu

In a beam cycle, there is a chicane bump (BC bump) in the injection region of China Spallation Neutron Source (CSNS). It is a core part of the injection system and the important guarantee that the Linac beam injecting into the rapid cycling…

Accelerator Physics · Physics 2019-06-07 Ming-Yang Huang , Sheng Wang , Shou-Yan Xu

In the Rapid Cycling Synchrotron(RCS) of China Spallation Neutron Source(CSNS), transverse painting injection is employed to suppress the space-charge effects. The beta-beating caused by edge focusing of the injection bump magnets leads to…

Accelerator Physics · Physics 2018-03-16 Xiaohan Lu , Shouyan Xu , Sheng Wang

A combination of the H- stripping and phase space painting method is used to accumulate a high intensity beam in the Rapid Cycling Synchrotron (RCS) of the China Spallation Neutron Source (CSNS). The injection system for CSNS/RCS consists…

In the rapid cycling synchrotron of the China Spallation Neutron Source, the anti-correlated painting was adopted for the design scheme of the injection system. In the beam commissioning, with the optimization of the anti-correlated…

The Robust Conjugate Direction Search (RCDS) method is used to optimize the collimation system for Rapid Cycling Synchrotron (RCS) of the Chinese Spallation Neutron Source (CSNS). The parameters of secondary collimators are optimized for a…

Accelerator Physics · Physics 2016-08-25 H. F. Ji , Y. Jiao , M. Y. Huang , S. Y. Xu , N. Wang , S. Wang

For the Rapid Cycling Synchrotron of China Spallation Neutron Source (CSNS/RCS), the stripping foil scattering generates the beam halo and gives rise to additional beam losses during the injection process. The interaction between the proton…

Accelerator Physics · Physics 2012-10-18 Ming-Yang Huang , Na Wang , Sheng Wang , Shou-Yan Xu

In Chinese Spallation Neutron Source (CSNS), proton beam is used to hit metal tungsten target, and then high flux neutron are generated for experiments on instruments. For neutron flux spectrum correction, the current of proton beam is for…

Instrumentation and Detectors · Physics 2018-06-22 Jian Zhuang , Jiajie Li , Ke Zhou , Fang Li , Yongxiang Qiu , Lei Hu

Short bunch proton beams are of great significance for the applications of white neutron beams and muon beams. The accelerator complex of China Spallation Neutron Source (CSNS) was designed to support the applications mainly based on…

Accelerator Physics · Physics 2022-02-09 Linhao Zhang , Yukai Chen , Jingyu Tang , Xiao Li , Yang Liu , Liangsheng Huang

The Rapid Cycling Synchrotron (RCS) is a key component of the China Spallation Neutron Source (CSNS). For this type of high intensity proton synchrotron, the chromaticity, space charge effects and magnetic field tracking errors between the…

Accelerator Physics · Physics 2013-12-06 Shouyan Xu , Sheng Wang , Yuwen An , Zhiping Li

A coasting hadron beam with an elliptical transverse profile, uniform charge density, and small transverse four-dimensional (4D) emittance could improve accelerator performance in several contexts. A phase space painting method to generate…

Accelerator Physics · Physics 2022-09-14 A. Hoover , N. E. Evans

The back-streaming white neutron source (Back-n) is a comprehensive neutron experimental platform for nuclear data measurement, nuclear astrophysics, neutron irradiation, detector calibration, etc. In order to meet a variety of experimental…

Instrumentation and Detectors · Physics 2021-08-17 Xiaolong Gaoa , Hantao Jing , Chungui Duan , Binbin Tian , Yang Li , Xiaoyun Yang , Jilei Sun , Weiling Huang

CSNS/RCS accelerates a high-intensity proton beam from 80 MeV to 1.6 GeV. Since the beam current and beam power is high, the beam loading is a severe problem for the stability of the circulating beam in the RCS. To study the beam loading…

Accelerator Physics · Physics 2015-06-22 Yao-Shuo Yuan , Kai-Wei Li , Na Wang , Yoshiro Irie , Sheng Wang

The ion injectors of the CERN accelerator chain, in particular the Super Proton Synchrotron (SPS) and the Low Energy Ion Ring (LEIR), operate in a strong space charge~(SC) and intrabeam scattering (IBS) regime, which can degrade beam…

We improved a previously proposed method of using closed-orbit modulation for linear optics correction. Instead of fitting individual closed orbits, the improved method decomposes the orbit oscillation data into two orthogonal modes and…

Accelerator Physics · Physics 2023-06-14 Xiaobiao Huang , Xi Yang

Some high-energy experiments have suffered from synchrotron-radiation background. As a measure, we have developed a new calculation method of synchrotron radiation based on a real beam orbit, aiming at quantitative estimations and the…

Accelerator Physics · Physics 2016-09-08 Tetsuo Abe , Hitoshi Yamamoto

In Chinese Spallation Neutron Source (CSNS), proton beam is used to hit metal tungsten target, and then high flux neutrons are generated for experiments on instruments. For neutron flux spectrum correction, boron-coated GEM, lithium glass…

Instrumentation and Detectors · Physics 2018-06-22 Jian Zhuang , Ke Zhou , Lijiang Liao , Lei Hu , Jiajie Li , Yongxiang Qiu
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