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Title: A singly charged ion source for radioactive {sup 11}C ion acceleration

A new singly charged ion source using electron impact ionization has been developed to realize an isotope separation on-line system for simultaneous positron emission tomography imaging and heavy-ion cancer therapy using radioactive {sup 11}C ion beams. Low-energy electron beams are used in the electron impact ion source to produce singly charged ions. Ionization efficiency was calculated in order to decide the geometric parameters of the ion source and to determine the required electron emission current for obtaining high ionization efficiency. Based on these considerations, the singly charged ion source was designed and fabricated. In testing, the fabricated ion source was found to have favorable performance as a singly charged ion source.
Authors:
; ; ; ; ; ; ; ;  [1]
  1. National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba-shi, Chiba 263-8555 (Japan)
Publication Date:
OSTI Identifier:
22482998
Resource Type:
Journal Article
Resource Relation:
Journal Name: Review of Scientific Instruments; Journal Volume: 87; Journal Issue: 2; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; ACCELERATION; CARBON 11; DESIGN; EFFICIENCY; ELECTRON BEAMS; ELECTRON EMISSION; GEOMETRY; HEAVY IONS; ION BEAMS; ION SOURCES; IONIZATION; NEOPLASMS; ON-LINE SYSTEMS; PERFORMANCE; POSITRON COMPUTED TOMOGRAPHY; TESTING; THERAPY