Our Trapping System

• SC magnet modified
(ASACUSA members only)
• OMAKE

Electron cooling of H- ion

• JPS meeting abstract

Proton compression

• proton manipulation experiment
• JPS meeting abstract

Extraction beam line

• JPS meeting abstract
• under construction!

Collision chamber

• designs
• JPS meeting presentation
• under construction!

Cusp trap (Antihydrogen trap)

• under construction!

etc.

• under construction!

Publications

• N. Kuroda, H.A. Torii, K. Yoshiki Franzen, Z. Wang, S. Yoneda, M. Inoue, M. Hori, B. Juhasz, D. Horvath, H. Higaki, A. Mohri, J. Eades, K. Komaki, and Y. Yamazaki :
  "Confinement of a Large Number of Antiprotons and Production of an Ultraslow Antiproton Beam"
  Phys. Rev. Lett. 94 (2005) 023401
  Download a pdf version from the APS site

• H. Higaki, N. Kuroda, K. Yoshiki Franzen, Z. Wang, M. Hori, A. Mohri, K. Komaki, and Y. Yamazaki :
  "Radial compression of protons and H₃⁺ ions in a multiring trap for the production of ultralow energy antiproton beams"
  Phys. Rev. E 70(2004)026501
  Download a pdf version from the APS site

• N. Kuroda :
  "Accumulation of a large number of antiprotons and production of an ultra-slow antiproton beam",
  Doctoral thesis, University of Tokyo.

• K.Yoshiki Franzen, N.Kuroda, H.A.Torii, Z.Wang, H.Higaki, S.Yoneda, B.Juhasz, D.Horvath, A.Mohri, K.Komaki, and Y.Yamazaki:
  "Transport beam line for ultraslow monoenergetic antiprotons",
  Review of Scientific Instruments, 74 (2003) 3305-3311.
  Download a pdf version

• H.Higaki, N.Kuroda, T.Ichioka, K.Yoshiki Franzen, Z.Wang, K.Komaki, Y.Yamazaki, M.Hori, N.Oshima, and A.Mohri :
  "Electron cooling of high-energy proton in a multiring trap with a tank circuit monitoring the electron-plasma oscillations",
  Physical Review E 65, (2002) 046410.
  Download a pdf version

• K.Yoshiki Franzen, H. Higaki, T.Ichioka, M.Hori, Z.Wang, N.Kuroda, S.Yoneda, H.A.Torii, K. Komaki, and Y. Yamazaki :
  "Design and test of a beam line for extraction of slow antiprotons from a multi-ring electrode ion trap",
  AIP Conf. Proc., Jan.22,2002 -- Vol.606, Issue 1, p.79-88.
  

• T. Ichioka :
  "Development of intense beam of ultracold antiprotons",
  Doctoral thesis, University of Tokyo.
  Download a pdf version

• Y. Yamazaki :
  "Production of ultra slow antiprotons, its application to atomic collisions and atomic spectroscopy - ASACUSA project",
  NIM. B 154 (1999) 174

• T. Ichioka, H. Higaki, M. Hori, N. Ohshima, K. Kuroki, A. Mohri, K. Komaki, and Y. Yamazaki :
  "Multi-ring trap as a reservoir of cooled antiprotons",
  Non-neutral plasma physics III, AIP Conf. Proc., 498, eds. J.J. Bollinger et al., American Institute of Physics (Springer-Verlag, 1999), p.59-64.
  Download a pdf version

• H. Higaki :
  Trapped Charged Particles and Fundamental Physics, AIP Conf. Proc., 457, eds. D.H.E. Dubin and D. Schneider, American Institute of Physics (Springer-Verlag, 1999).

Presentations

1. JPS meeting spring, 2001 (Chuo Univ.) : Higaki
2. JPS meeting spring, 2001 (Chuo Univ.) : Yoshiki Franzen
3. JPS meeting spring, 2001 (Chuo Univ.) : Wang
4. JPS meeting spring, 2001 (Chuo Univ.) : Kuroda
5. JPS meeting autumn, 2000 (Niigata Univ.) : Ichioka
6. JPS meeting spring, 2000 (Kansai Oniv.) : Ichioka

Link

• ASACUSA HOME Page
• Komaki-Yamazaki group   (Institute of Physics, University of Tokyo)
• CERN
• ....