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国际粒子加速器的前沿


□ 张 闯

  摘 要人类对于微观世界的探索是粒子加速器发展的驱动力.粒子加速器从20世纪30年代问世以来,不断向更高能量和更好性能挺进.随着研究的深入,粒子加速器一步步从低能发展到高能,从弱聚焦发展到强聚焦,从打静止靶发展到粒子束对撞.更高的能量和更高的亮度是用于高能物理研究的加速器发展的两大前沿.作为多学科研究的平台,同步辐射光源、自由电子激光和散裂中子源等基于加速器的大科学装置也在蓬勃发展.各种低能加速器广泛地应用于国民经济的各个领域.新方法、新技术、新原理层出不穷.文章将讨论国际粒子加速器的前沿.
  关键词粒子加速器,能量,亮度,多学科平台,应用,新加速原理
  
  Frontiers of particle accelerators in the world
  ZHANG Chuang
  (Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China)
  AbstractHuman research on the microcosm is the motive force behind the development of particle
  accelerators, which have been advancing towards higher luminosity and better performance. Along with deeper progress in research, accelerators have moved step by step from low to high energy, from weak to strong focusing and from fixed target to beam collision. Higher energy and higher luminosity are two frontiers of accelerators for particle physics. As multidiscipline platforms, synchrotron radiation facilities, free electron lasers and spallation neutron sources have been developing rapidly. A variety of low\|energy accelerators have been applied throughout a wide range of the economy. New methods, new technologies and new principles have emerged in an endless stream. The international frontiers of particle accelerators are described in this paper. ......
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