Towards a spin polarized antihydrogen beam

N Kuroda ,M Leali,M Diermaier,B Wünschek,S Van Gorp,B Radics,O Massiczek,L Venturelli,T Mizutani,H A Torii,A Mohri,H Nagahama,C Sauerzopf,S Federmann,E Lodi-Rizzini,K Suzuki,Yasuyuki Nagashima ,J Zmeskal ,Yasuyuki Kanai ,E Widmann ,C Malbrunot ,M Tajima ,D J Murtagh ,Hidehiko Higaki ,Koji Michishio ,Shota Sakurai ,Y Nagata ,S Ulmer ,V Mascagna ,M Ohtsuka ,N Zurlo ,Y Matsuda ,Y Yamazaki

doi:10.1007/s10751-014-1016-9

Towards a spin polarized antihydrogen beam

N Kuroda , M Leali + Show 31 more

https://doi.org/10.1007/s10751-014-1016-9

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Journal: Hyperfine Interactions

Publication Date: Jan 29, 2014

Affiliation: Tokyo University of the Arts, The University of Tokyo, Stefan Meyer Institute for Subatomic Physics, RIKEN Advanced Science Institute, European Organization for Nuclear Research, Tokyo University of Science, Hiroshima University

#Ground-state Hyperfine Splitting Of Antihydrogen #Cusp Trap + Show 8 more

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Abstract

The ASACUSA collaboration has developed a cusp trap scheme to realize an in-flight high precision microwave spectroscopy of ground-state hyperfine splitting of antihydrogen ( H) for a stringent test of CPT symmetry. Cold H atoms were successfullysynthesized by employing a cusp trap which consisted of a superconducting anti-Helmholtz coil and a stack of ring electrodes. This was achieved with an antiproton ( p) accumulator, MUSASHI, and a positron ( e+) accumulator. The principal quantum number and the time evolution of H synthesis were investigated. The latest progress was also presented.

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