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Title: Development of C{sup 6+} laser ion source and RFQ linac for carbon ion radiotherapy

A prototype C{sup 6+} injector using a laser ion source has been developed for a compact synchrotron dedicated to carbon ion radiotherapy. The injector consists of a laser ion source and a 4-vane radio-frequency quadrupole (RFQ) linac. Ion beams are extracted from plasma and directly injected into the RFQ. A solenoid guides the low-energy beams into the RFQ. The RFQ is designed to accelerate high-intensity pulsed beams. A structure of monolithic vanes and cavities is adopted to reduce its power consumption. In beam acceleration tests, a solenoidal magnetic field set between the laser ion source and the RFQ helped increase both the peak currents before and after the RFQ by a factor of 4.
Authors:
; ;  [1] ; ; ; ; ;  [2] ;  [3]
  1. Toshiba Corporation, Yokohama 235-8522 (Japan)
  2. Cancer Research Center, Yamagata University Faculty of Medicine, Yamagata 990-9585 (Japan)
  3. Accelerator Engineering Corporation, Chiba 263-0043 (Japan)
Publication Date:
OSTI Identifier:
22483053
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 IONS; ION BEAMS; ION SOURCES; LASERS; LINEAR ACCELERATORS; RADIOTHERAPY; RADIOWAVE RADIATION; SOLENOIDS; SYNCHROTRONS