A magnetic trap for antihydrogen confinement

A magnetic trap for antihydrogen confinement
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DOI：
10.1016/j.nima.2006.07.012
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发表时间：
2006-10-15
期刊：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
影响因子：
1.4
通讯作者：
Ghosh, A.
Ghosh, A.
中科院分区：
物理与天体物理3区
文献类型：
--
作者：
Bertsche, W.;Boston, A.;Ghosh, A.

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欧洲核子研究中心阿尔法合作的目标是通过比较氢和反氢的1s-2s跃迁来测试CPT守恒性。为了达到十分之一的最终精度，(反)原子必须被捕获。利用目前的技术，只有磁性最小的陷阱才能限制(反)氢。本文将给出阿尔法反氢陷阱的设计和在原型系统上的测量结果。最终系统的陷阱深度为1.16T，对应的基态反氢温度为0.78K。(C)2006爱思唯尔B.V.保留所有权利。
The goal of the ALPHA collaboration at CERN is to test CPT conservation by comparing the 1S-2S transitions of hydrogen and antihydrogen. To reach the ultimate accuracy of 1 part in 10(18), the (anti)atoms must be trapped. Using current technology, only magnetic minimum traps can confine (anti)hydrogen. In this paper, the design of the ALPHA antihydrogen trap and the results of measurements on a prototype system will be presented. The trap depth of the final system will be 1.16 T, corresponding to a temperature of 0.78 K for ground state antihydrogen. (c) 2006 Elsevier B.V. All rights reserved.