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RF tuning and beam commissioning of CW RFQ for China-ADS Injector-I
Shi H(施华); 欧阳华甫; Wang SC(王盛昌); Zhou NC(周宁闯); Wu G(吴刚); Shi, H; Ouyang, HF; Wang, SC; Zhou, NC; Wu, G
2018
Source PublicationNUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
EISSN2210-3147
Volume29Issue:10Pages:142
SubtypeArticle
AbstractA 325-MHz continuous-wave (CW) four-vane radiofrequency quadrupole (RFQ) is employed in Injector-I of the China Accelerator-Driven Subcritical System. The radiofrequency tuning and beam commissioning were performed from January 2014 to January 2017. In a cold test, a stability study showed that the design of the segmented resonantly coupling and dipole stabilizer rods can shift the harmful quadrupole and dipole mode from the fundamental mode to above 2.6 MHz. We also found a simplified tuning method for the field unflatness, involving changing the inserted length of a few plug tuners. For achieving CW-beam commissioning, two full-size RFQs were constructed successively. The commissioning results indicate that the beam transmission rate decreased by approximately 3% as the normalized field unflatness decreased by 1%. A 10-MeV CW proton beam with an average beam current of 2.1 mA was achieved at the target of Injector-I, and the output beam energy of the RFQ was 3.18 MeV.
KeywordRFQ RF tuning CW-beam commissioning beam transmission rate
DOI10.1007/s41365-018-0478-x
WOS KeywordACCELERATOR
Indexed BySCI
Language英语
WOS Research AreaNuclear Science & Technology ; Physics
WOS SubjectNuclear Science & Technology ; Physics, Nuclear
WOS IDWOS:000445808700003
CSCD IDCSCD:6340466
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/286364
Collection加速器中心
Corresponding AuthorShi H(施华)
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Corresponding Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Shi H,欧阳华甫,Wang SC,et al. RF tuning and beam commissioning of CW RFQ for China-ADS Injector-I[J]. NUCLEAR SCIENCE AND TECHNIQUES,2018,29(10):142.
APA 施华.,欧阳华甫.,王盛昌.,周宁闯.,吴刚.,...&Wu, G.(2018).RF tuning and beam commissioning of CW RFQ for China-ADS Injector-I.NUCLEAR SCIENCE AND TECHNIQUES,29(10),142.
MLA 施华,et al."RF tuning and beam commissioning of CW RFQ for China-ADS Injector-I".NUCLEAR SCIENCE AND TECHNIQUES 29.10(2018):142.
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