A continuous-wave superconducting linear accelerator scheme for the drive beam acceleration of the Compact Linear Collider

被引：0
|
作者：
Liu, Jiayang [1 ,2 ,3 ]
Grudiev, Alexej [3 ]
Zha, Hao [1 ,2 ,3 ]
Shi, Jiaru [1 ,2 ]
Chen, Huaibi [1 ,2 ]
机构：
[1] Tsinghua Univ, Dept Engn Phys, CN-100084 Beijing, Peoples R China
[2] Tsinghua Univ, Minist Educ, Key Lab Particle & Radiat Imaging, CN-100084 Beijing, Peoples R China
[3] CERN, European Org Nucl Res, CH-1211 Geneva 23, Switzerland
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2021年 / 1006卷 / 1006期
关键词：
Compact Linear Collider; Superconducting linear accelerator; Drive beam; Beam-loading compensation; 2-BEAM; COMPENSATION;
D O I：
10.1016/j.nima.2021.165328
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The Compact Linear Collider (CLIC) utilizes two 2.5-km-long normal-conducting linear accelerators (LINACs) to produce a drive beam with 140 mu s pulse length at a repetition rate of 50 Hz. This setup is relatively expensive in the early stages due to both the length of the drive beam LINACs and the amount of the power sources for one drive beam complex are the same in all energy stages. A new concept of accelerating the CLIC drive beam in superconducting LINACs as an alternative scheme is investigates in this work. This scheme requires a minimal number of power sources at the early stages of the CLIC and consequently has the potential to reduce the entry cost. A dimensionless parameter named capacity factor.. which determines the number of the superconducting structures and the power is introduced. Two proof-of-concept schemes to compensate the beam-loading effect are also proposed in this paper. The mixed-structure scheme finally selected as the nominal design achieves an optimum.. of approximately 1.16 compared to a value of 50.5 without the beam-loading compensation. A rough estimation on the cost of this scheme has also been studied.
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页数：7
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