Phys. Rev. ST Accel. Beams 8, 080402 (2005) [6 pages]Selected momentum correction using induction-voltage modulator for low-flux ion beams |
Takashi Kikuchi *
Department of Electrical and Electronic Engineering, Utsunomiya University, Yohtoh 7-1-2, Utsunomiya 321-8585, Japan
Takeshi Katayama
Center for Nuclear Study, Graduate School of Science, University of Tokyo, Wako-Branch at RIKEN, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
Kazuhiko Horioka
Department of Energy Sciences, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, Nagatsuta 4259, Midori-ku, Yokohama, 226-8502, Japan
Shigeo Kawata
Department of Energy and Environmental Science, Utsunomiya University, Yohtoh 7-1-2, Utsunomiya 321-8585, Japan
Received 10 November 2004; published 30 August 2005
A method for direct momentum correction of a selected beam particle using a controllable induction-voltage modulator is proposed for a low-flux ion beam. The corrected ion beam has a small momentum error restricted by a detection error at a kinetic energy analyzer and a voltage fluctuation at the induction-voltage modulator. Numerical simulations indicate that the scheme using a multiturn correction in a storage ring can considerably reduce the requirement of the amplitude and the tolerance level of the correction voltage. The results also show the final momentum error of the order of 10-5 can be rapidly achieved at total flight time of 30 μs when repetitive correction voltages are applied during the revolutions in the ring.
©2005 The American Physical Society
URL: http://link.aps.org/abstract/PRSTAB/v8/e080402
DOI: 10.1103/PhysRevSTAB.8.080402
PACS: 29.27.Eg, 29.27.Ac
* Electronic address: tkikuchi@cc.utsunomiya-u.ac.jp
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