Extraction of ultra-low energy antiprotons from Penning traps
Extraction of ultra-low energy antiprotons from Penning traps
复制标题
从潘宁陷阱中提取超低能反质子
DOI：
10.1007/bf02059936
复制
发表时间：
1996
影响因子：
--
通讯作者：
M. Schauer
中科院分区：
文献类型：
--
作者：
X. Feng;M. Holzscheiter;R. Lewis;R. Newton;M. Schauer
在欧洲核子研究中心的低能反质子环中，大约有一百万个反质子被捕获在一个大型的潘宁阱中。这些反质子随后被电子冷却所冷却。这为超低能量反质子在核、原子和引力物理学中的可能应用开启了新的讨论。对于大多数这些实验，将有必要从连续或聚束的陷阱中提取反质子，允许定时结构用于后加速方案或作为后续测量的时间标签。我们已经设计了一个提取方案来实现这一点，并测试了它的一部分，使用一个较小的潘宁陷阱装载质子。本文给出了从潘宁阱产生时间相关粒子束的初步结果。
Approximately one million antiprotons have been captured in a large Penning trap at the Low Energy Antiproton Ring at CERN. These antiprotons have subsequently been cooled by electron cooling. This has opened new discussions of the possible use of ultra-low energy antiprotons for nuclear, atomic, and gravitational physics. For most of these experiments, it will be necessary to extract the antiprotons from the trap in a continuous or bunched beam, allowing the timing structure to be used for post-acceleration schemes or as a time tag for the subsequent measurements. We have designed an extraction scheme to accomplish this and have tested portions of it using a smaller Penning trap loaded with protons. First results in generating a time-correlated beam of particles from a Penning trap are presented.