Physical design of a compact 2 MeV deuteron radio-frequency quadrupole

被引：1
作者：
Liu, K. [1 ]
Yu, X. D. [1 ]
Ma, P. F. [1 ]
Lei, Y. [1 ]
Xing, Q. Z. [1 ]
Zheng, S. X. [1 ]
Guan, X. L. [1 ]
Wang, X. W. [1 ]
机构：
[1] Tsinghua Univ, Minist Educ, Key Lab Particle & Radiat Imaging, Beijing 100084, Peoples R China
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2021年 / 1009卷
基金：
中国国家自然科学基金;
关键词：
Radio-frequency quadrupole; Compact neutron source; RFQ;
D O I：
10.1016/j.nima.2021.165455
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
This paper describes the physical design of a radio-frequency quadrupole (RFQ) accelerator for a compact accelerator-driven neutron source. The 325-MHz RFQ accelerates a 30-mA deuteron beam from 50 keV to 2 MeV, which is directly matched to the drift-tube linac (DTL) without a separate beam matching section. The objective of this design is to obtain a short RFQ with a tolerable transmission and power consumption. Using a modified four-section procedure, the inter-vane voltage is ramped with RFQ longitudinal position to obtain the required short length, and the focusing strength is varied to suppress beam loss. The RFQ has a length of 193.2 cm, with a peak power consumption of 186 kW, and a beam transmission of 94.1%.
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页数：7
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