title: Radial compression of protons and H3+ ions in a multiring trap for the production of ultralow energy antiproton beams.
authors.affiliation: Institute of Physics, University of Tokyo, 3-8-1, Komaba, Meguro, Tokyo 153-8902 Japan.
authors.forename: H
authors.initials: H
authors.lastname: Higaki
authors.forename: N
authors.initials: N
authors.lastname: Kuroda
authors.forename: K
authors.initials: K
authors.lastname: Yoshiki Franzen
authors.forename: Z
authors.initials: Z
authors.lastname: Wang
authors.forename: M
authors.initials: M
authors.lastname: Hori
authors.forename: A
authors.initials: A
authors.lastname: Mohri
authors.forename: K
authors.initials: K
authors.lastname: Komaki
authors.forename: Y
authors.initials: Y
authors.lastname: Yamazaki