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Beam-beam study in Beijing electron positron collider mini-beta scheme
Wang S(王生); Fang SX(方守贤); Zhang C(张闯); Wang, S; Fang, SX; Zhang, C
2001
发表期刊HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
卷号25期号:8页码:780-786
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
摘要For performing mini-beta scheme in the Beijing Electron-Positron Collider (BEPC), high RF voltage is supplied for shortening the bunch length, but results in the luminosity decrease. This is the special phenomenon of beam-beam on BEPC, which limits the performance of mini-beta scheme. The work is aiming to explain the special phenomenon and overcome it. The conclusion of theoretic analysis, simulation and machine study is that, for BEPC, the bunch length influences the beam-beam interaction mainly through the "hour-glass" effect and a veraging over the betatron phase during the collision, and these two contrary effects make the luminosity to be maximum only when sigma, /beta (gamma) (the ratio of bunch length and beta function of gamma -direction) is near the optimal value, and so the luminosity decrease due to high RF voltage can be avoided.
文章类型Article
关键词beam-beam interaction hourglass effect averaging over the betatron phase
学科领域Physics
研究领域[WOS]Physics
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语种英语
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000170578100012
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238474
专题院士
加速器中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Wang S,Fang SX,Zhang C,et al. Beam-beam study in Beijing electron positron collider mini-beta scheme[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2001,25(8):780-786.
APA 王生,方守贤,张闯,Wang, S,Fang, SX,&Zhang, C.(2001).Beam-beam study in Beijing electron positron collider mini-beta scheme.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,25(8),780-786.
MLA 王生,et al."Beam-beam study in Beijing electron positron collider mini-beta scheme".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 25.8(2001):780-786.
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