Synthesis of antihydrogen atoms in a CUSP trap

N Kuroda ,Kazuo Tanaka,Koji Michishio,Yasuyuki Nagashima,Yasuyuki Kanai,H Imao ,V Mascagna ,Chanhyoun Kim ,E Widmann ,Keisuke Fujii ,Y Enomoto ,Hidehiko Higaki ,M Ohtsuka ,Y Matsuda ,B Juhász ,M Leali ,L Venturelli ,E Lodi-Rizzini ,H A Torii ,A Mohri ,Y Nagata ,N Zurlo ,M Corradini ,Y Yamazaki

doi:10.1007/978-94-007-4890-3_7

Synthesis of antihydrogen atoms in a CUSP trap

N Kuroda , Kazuo Tanaka + Show 22 more

https://doi.org/10.1007/978-94-007-4890-3_7

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Publication Date: Jan 1, 2012

Affiliation: Tokyo University of the Arts, The University of Tokyo, Tokyo University of Science, RIKEN Advanced Science Institute, RIKEN Nishina Center, Brescia University, University of Brescia, Stefan Meyer Institute for Subatomic Physics, Hiroshima University

#CUSP Trap #Antihydrogen Atoms + Show 8 more

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Abstract

ASACUSA collaboration has been making a path to realize high precision microwave spectroscopy of ground-state hyperfine transitions of antihydrogen atom in flight for stringent test of the CPT symmetry. Recently, we have succeeded in synthesizing our first cold antihydrogen atoms employing a CUSP trap. It is expected that synthesized antihydrogen atoms in the low-field-seeking states are preferentially focused along the cusp magnetic field axis whereas those in the high-field-seeking states are not focused, resulting in the formation of a spin-polarized antihydrogen beam. We report the recent results of antihydrogen atom synthesis and beam production developed with the CUSP trap.

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