Noninterceptive transverse emittance measurements using BPM for Chinese ADS R&D project

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• 作者：Zhi-Jun Wang^a ; ^{wangzj@impcas.ac.cn" class="auth_mail" title="E-mail the corresponding author} ; Chi Feng^a ; Yuan He^a ; ^{hey@impcas.ac.cn" class="auth_mail" title="E-mail the corresponding author} ; Weiping Dou^a ; Yue Tao^a ; ^b ; Wei-long Chen^a ; ^b ; Huan Jia^a ; Shu-hui Liu^a ; Wang-sheng Wang^a ; Yong Zhang^a ; Jian-qiang Wu^a ; Sheng-hu Zhang^a ; X.L. Zhang^a (visiting scientist)
• 关键词：Chinese ADS facility ; Injector ; High power proton linac ; Noninterceptive measurement ; BPM ; Emittance measurements
• 刊名：Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
• 出版年：2016
• 出版时间：21 April 2016
• 年：2016
• 卷：816
• 期：Complete
• 页码：171-175
• 全文大小：1055 K

文摘

The noninterceptive four-dimensional transverse emittance measurements are essential for commissioning the high power continue-wave (CW) proton linacs as well as their operations. The conventional emittance measuring devices such as slits and wire scanners are not well suited under these conditions due to sure beam damages. Therefore, the method of using noninterceptive Beam Position Monitor (BPM) is developed and demonstrated on Injector Scheme II at the Chinese Accelerator Driven Sub-critical System (China-ADS) proofing facility inside Institute of Modern Physics (IMP) [1]. The results of measurements are in good agreements with wire scanners and slits at low duty-factor pulsed (LDFP) beam. In this paper, the detailed experiment designs, data analysis and result benchmarking are presented.