β=0.45,f=350 MHz SPoke腔的设计

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户:zhangchaoyi222
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
近几年来,低β超导腔(例如spoke型,re-entrant型,CH型)作为质子或者离子在中低能段的加速结构成为研究的热点.许多实验结果表明spoke腔在低能段是很好的选择,在中能段跟椭球腔相比也很具有竞争实力,为此,北京大学开展了β=0.45,频率为350MHz的spoke型质子超导加速腔研究.本文详细阐述了这种腔的结构及电磁场的设计,从射频参数Q,r/Q,最大表面电磁场和加速效率的计算结果来看,它具有很好的加速性能.
其他文献
循证医学证据对于临床防治早产儿视网膜病变(ROP)具有重要意义.已证实视网膜消融术(冷冻和激光)治疗ROP有效,但对周边视网膜具有一定的破坏性,因而需要寻找更安全的治疗方法.
感知无线电把频谱策略从静态方式变为动态方式从而大大缓解资源紧张问题,感知设备必须具有特殊的模块来支持该转变,并且导致了通信网络的许多新特点。文章还从空域、时域和频域
Based on the tests of a build-up welding at plate edge (BWPE) and a multi-layer build-up welding on plate (MBWP), the article studies on the solid-state phase t
The appropriate bireflectance film series are selected to get the beat-frequency of dual-frequency laser using anisotropic bireflectance film (DLABF) from 1.2 M
提出了一种基于限制编程(Constraint programming)的信息模型内在一致性检查方法,重点描述了EXPRESS信息模型的一致性及其检查.EXPRESS语言,作为标准制造数据交换的一个重要
After pointing out the weakness of the known palette-based image information hiding by palette matrix,a new spacial effective robust information hiding algorith
Downlink transmit beamforming is a promising technique to reduce interference,and power control is a technique to adjust transmission power to satisfy the link
A novel model on dynamic resource allocation in the WDM optical networks is proposed, basing on the integrated considerations of the impacts of transmission imp
During June and July 2003, Jingmen Petrochemical Company carded out the commercial test on technology for high-temperature cracking of C5 fraction to decrease o
The general meshless local Petrov-Galerkin (MLPG) weak forms of the displacement and traction boundary integral equations (BIEs) are presented for solids underg