Transport and emittance study for 18 GHz superconducting-ECR ion source at RCNP

T. Yorita, K. Hatanaka, M. Fukuda, H. Ueda, M. Kibayashi, S. Morinobu, A. Tamii

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8 Citations (Scopus)


As the upgrade program of the azimuthally varying field (AVF) cyclotron is at the cyclotron facility of the RCNP, Osaka University for the improvement of the quality, stability, and intensity of accelerated beams, an 18 GHz superconducting (SC) ECR ion source has been installed to increase beam currents and to extend the variety of ions, especially for highly charged heavy ions which can be accelerated by RCNP AVF cyclotron. The production development of several ions such as B, O, N, Ne, Ar, Ni, Kr, and Xe has been performed by Yorita Rev. Sci. Instrum. 79, 02A311(2008); 81, 02A332 (2010). Further studies for the beam transport have been done in order to improve the beam current more for injection of cyclotron. The effect of field leakage of AVF main coil is not negligible and additional steering magnet has been installed and then beam transmission has been improved. The emittance monitor has also been developed for the purpose of investigating correlation between emittance of beam from ECR ion sources and injection efficiency. The monitor consists with BPM82 with rotating wire for fast measurement for efficient study.

Original languageEnglish
Article number02A335
JournalReview of Scientific Instruments
Issue number2
Publication statusPublished - Feb 2012
Externally publishedYes

ASJC Scopus subject areas

  • Instrumentation


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