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Synthesis of antihydrogen atoms in a CUSP trap

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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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Authors and Affiliations

  1. Graduate School of Arts and Sciences, University of Tokyo, 3–8–1 Komaba Meguro-ku, 153–8902, Tokyo, Japan

    Naofumi Kuroda, Chanhyoun Kim, Hiroyuki A. Torii, Koki Fujii, Miki Ohtsuka, Kazuo Tanaka & Yasuyuki Matsuda

  2. RIKEN Advanced Science Institute, 2–1 Hirosawa Wako-shi, 351–0198, Saitama, Japan

    Yoshinori Enomoto, Yugo Nagata, Yasuyuki Kanai, Akihiro Mohri & Yasunori Yamazaki

  3. Department of Physics, Tokyo University of Science, Kagurazaka Shinjuku-ku, 162–8601, Tokyo, Japan

    Koji Michishio & Yasuyuki Nagashima

  4. Graduate School of Advanced Science of Matter, Hiroshima University, Kagamiyama, Higashi-Hiroshima, 739–8530, Hiroshima, Japan

    Hiroyuki Higaki

  5. Dipartimento di Chimica e Fisica per l’Ingegneria e per i Materiali, Università di Brescia & Instituto Nazionale di Fisica Nucleare, Gruppo Collegato di Brescia, 25133, Brescia, Italy

    Maurizzio Corradini, Marco Leali, Evandro Lodi-Rizzini, Valerio Mascagna, Luca Venturelli & Nicola Zurlo

  6. RIKEN Nishina Center for Accelerator-Based Science, 2–1 Hirosawa Wako-shi, 351–0198, Saitama, Japan

    Hiroshi Imao

  7. Stefan Meyer Institut für Subatomare Physik, Boltzmangasse 3, 1090, Wien, Austria

    Bertalan Juhász & Eberhard Widmann

Authors
  1. Naofumi Kuroda
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  2. Yoshinori Enomoto
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  3. Koji Michishio
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  4. Chanhyoun Kim
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  5. Hiroyuki Higaki
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  6. Yugo Nagata
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  7. Yasuyuki Kanai
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  8. Hiroyuki A. Torii
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  9. Maurizzio Corradini
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  10. Marco Leali
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  11. Evandro Lodi-Rizzini
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  12. Valerio Mascagna
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  13. Luca Venturelli
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  14. Nicola Zurlo
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  15. Koki Fujii
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  16. Miki Ohtsuka
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  17. Kazuo Tanaka
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  18. Hiroshi Imao
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  19. Yasuyuki Nagashima
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  20. Yasuyuki Matsuda
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  21. Bertalan Juhász
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  22. Eberhard Widmann
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  23. Akihiro Mohri
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  24. Yasunori Yamazaki
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Corresponding author

Correspondence to Naofumi Kuroda.

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Kuroda, N., Enomoto, Y., Michishio, K. et al. Synthesis of antihydrogen atoms in a CUSP trap. Hyperfine Interact 209, 35–41 (2012). https://doi.org/10.1007/s10751-012-0560-4

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  • DOI: https://doi.org/10.1007/s10751-012-0560-4

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