Status report on electron cyclotron resonance ion sources at the Heavy Ion Medical Accelerator in Chiba

A. Kitagawa, M. Muramatsu, M. Sekiguchi, S. Yamada, K. Jincho, T. Okada, M. Yamamoto, T. Hattori, S. Biri, R. Baskaran, T. Sakata, K. Sawada, K. Uno

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Abstract

The Heavy Ion Medical Accelerator in Chiba at the National Institute of Radiological Sciences (NIRS) is not only dedicated to cancer therapy, it is also utilized with various ion species for basic experiments of biomedical science, physics, chemistry, etc. Two electron cyclotron resonance (ECR) ion sources are installed for production of gaseous ions. One of them, the NIRS-ECR, is a 10 GHz ECR ion source, and is mainly operated to produce C4+ ions for daily clinical treatment. This source realizes good reproducibility and reliability and it is easily operated. The other source, the NIRS-HEC, is an 18 GHz ECR ion source that is expected to produce heavier ion species. The output ion currents of the NIRS-ECR and the NIRS-HEC are 430e μA for C4+ and 1.1e mA for Ar8+, respectively.

Original languageEnglish
Pages (from-to)1061-1063
Number of pages3
JournalReview of Scientific Instruments
Volume71
Issue number2 II
Publication statusPublished - Feb 1 2000

ASJC Scopus subject areas

  • Instrumentation

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    Kitagawa, A., Muramatsu, M., Sekiguchi, M., Yamada, S., Jincho, K., Okada, T., Yamamoto, M., Hattori, T., Biri, S., Baskaran, R., Sakata, T., Sawada, K., & Uno, K. (2000). Status report on electron cyclotron resonance ion sources at the Heavy Ion Medical Accelerator in Chiba. Review of Scientific Instruments, 71(2 II), 1061-1063.