强激光与粒子束2025，Vol.37Issue(4)：93-99,7.DOI:10.11884/HPLPB202537.240419
强流质子加速器束流剖面测量探测器设计
Design of detector for measuring beam profile of high-intensity proton accelerator
摘要
Abstract
Beam profile is one of the key performance indicators for high-intensity proton accelerators.A new residual gas ionization profile monitor has been installed at the Linac of the China Spallation Neutron Source for non-destructive,real-time measurement of parameters such as the transverse beam profile at critical locations.This paper presents the selection,structural design rationale,and beam test results of this profile monitor.The detector adopts a compact structure,offering a high-resolution design within a limited space.The compact design eliminates the equipotential strips that uniformly act on the electric field and adds a field grid at the lower plate apertures to improve the uniformity of the electric field and reduce the electric field components.Beam tests evaluated the performance of the new detector in measuring orbit and profile parameters,with calibration performed in comparison to the BPM near the detector's location.The error between the transverse profile measurement and theoretical calculation was less than 8.3%,meeting the beam measurement requirements.关键词
强流质子加速器/横向剖面/残余气体/束流剖面/残探测器/非拦截式Key words
high-intensity proton accelerator/transverse profile/residual gas/beam profile/detector/non-destructive分类
核科学引用本文复制引用
刘孟宇,孙继磊,徐智虹,杨涛,聂小军,黄蔚玲,康玲,刘华昌,杨仁俊..强流质子加速器束流剖面测量探测器设计[J].强激光与粒子束,2025,37(4):93-99,7.基金项目
国家自然科学基金项目(12275294) （12275294）
广东省自然科学基金项目(2021A1515010269) （2021A1515010269）
