Confinement of a large number of antiprotons and production of an ultraslow antiproton beam

N. Kuroda, H. A. Torii, K. Yoshiki Franzen, Z. Wang, S. Yoneda, M. Inoue, M. Hori, B. Juhász, D. Horváth, H. Higaki, A. Mohri, J. Eades, K. Komaki, Y. Yamazaki

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Abstract

We have used a radio frequency quadrupole decelerator to decelerate antiprotons emerging from the CERN Antiproton Decelerator from MeV- to keV-scale energy, and collected five decelerated pulses in a multiring trap. Some 5 × 106 antiprotons were stacked in this way. Cooling of the trapped antiprotons by a simultaneously trapped electron plasma was studied nondestructively via shifts in plasma mode frequencies. We have also demonstrated the first step in extracting a 10-500 eV antiproton beam from the trap.

Original languageEnglish
Article number023401
JournalPhysical review letters
Volume94
Issue number2
DOIs
Publication statusPublished - Jan 21 2005

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Kuroda, N., Torii, H. A., Yoshiki Franzen, K., Wang, Z., Yoneda, S., Inoue, M., Hori, M., Juhász, B., Horváth, D., Higaki, H., Mohri, A., Eades, J., Komaki, K., & Yamazaki, Y. (2005). Confinement of a large number of antiprotons and production of an ultraslow antiproton beam. Physical review letters, 94(2), [023401]. https://doi.org/10.1103/PhysRevLett.94.023401