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DOI:10.18429/JACoW-HIAT2015-WEPB29
Title Observation of Sublimation Effect of Mg and Ti Ions at the Hyper-Electron Cyclotron Resonance Ion Source
Authors
  • H. Muto, Y. Kotaka, S. Kubono, Y. Ohshiro, S. Shimoura, S.-I. Watanabe, H. Yamaguchi, S. Yamaka
    CNS, Saitama, Japan
  • T. Hattori
    NIRS, Chiba-shi, Japan
  • M. Kase, S. Kubono
    RIKEN Nishina Center, Wako, Japan
  • K. Kobayashi, M. Nishimura
    SHI Accelerator Service Ltd., Tokyo, Japan
  • M. Oyaizu
    KEK, Ibaraki, Japan
Abstract Light intensities of a grating monochromator during plasma chamber baking and 24Mg⁸⁺ and 48Ti¹³⁺ beam operation were observed at the Hyper-Electron Cyclotron Resonance ion source. During chamber baking almost all light intensities were Fe I and Fe II. However, when MgO or TiO2 rod was inserted into the plasma and the beam operation was started the light intensity spectrum was drastically changed and most of the Fe I and Fe II lights were disappeared and Mg or Ti light intensities were coming out. In this paper we describe vacuum conditions of ECR ion source during chamber baking and beam tuning.
Paper download WEPB29.PDF [2.615 MB / 3 pages]
Poster download WEPB29_POSTER.PDF [7.060 MB]
Conference HIAT2015, Yokohama, Japan
Proceedings Link to full HIAT2015 Proccedings
Session Wednesday Poster Session (B)
Date 09-Sep-15   16:00–18:00
Main Classification Ion Sources, Traps, and Charge Breeding
Keywords ion, plasma, vacuum, ion-source, ECR
Publisher JACoW, Geneva, Switzerland
Editors Osamu Kamigaito (RIKEN, Wako, Japan); Schaa, Volker R.W. (GSI, Darmstadt, Germany); Kazunari Yamada (RIKEN, Wako, Japan)
ISBN 978-3-95450-131-1
Published February 2016
Series Heavy Ion Accelerator Technology Conference (13th)
Copyright
Copyright © 2016 by JACoW, Geneva, Switzerland     CC-BY Creative Commons License
cc Creative Commons Attribution 3.0