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- Title
ASACUSA MUSASHI: New progress with intense ultra slow antiproton beam.
- Authors
Imao, H.; Tarek, M.; Michishio, K.; Enomoto, Y.; Shimoyama, T.; Kanai, Y.; Kuroda, N.; Mohri, A.; Higaki, H.; Saitoh, H.; Torii, H. A.; Nagata, Y.; Toyoda, H.; Matsuda, Y.; Nagashima, Y.; Yamazaki, Y.
- Abstract
Our group “ASACUSA MUSASHI” has established an efficient way for accumulating antiprotons and extracting them as intense ultra-slow mono-energetic beams at the CERN-AD facility. This novel beam opens new frontiers for investigating a variety of physics. For realizing H̄ spectroscopy and the test for charge-parity-time symmetry, we have also developed the cusp trap, a combination of an anti-Helmholz superconducting coil and a multi-ring electrode trap, for trapping both antiprotons and positrons and then synthesizing antihydrogens. Recently, the cusp trap was practically used to accumulate antiprotons. The last piece for synthesizing antihydrogens in the cusp trap is the positron accumulator. We have developed a compact system to effectively accumulate positrons based on N2 gas-buffer scheme with a specially designed high precision cylindrical multi-ring electrode trap. The recent progress of the developing work is an important milestone for upcoming antihydrogen science of ASACUSA MUSASHI.
- Subjects
ANTIPROTONS; POSITRONS; SPECTRUM analysis; ELECTRODES; HYPERFINE interactions
- Publication
Hyperfine Interactions, 2009, Vol 194, Issue 1-3, p71
- ISSN
0304-3843
- Publication type
Article
- DOI
10.1007/s10751-009-0032-7