A new multi-strip ionization chamber used as online beam monitor for heavy ion therapy

A new multi-strip ionization chamber used as online beam monitor for heavy ion therapy

A multi-strip ionization chamber has been built for precise and fast monitoring of the carbon beam spatial distribution at Heavy Ion Researched Facility of Lanzhou Cooling Storing Ring (HIRFL-CSR). All the detector's anode, cathode and sealed windows are made by 2μm aluminized Mylar film in ord...

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Veröffentlicht in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2013-11, Vol.729, p.895-899
Hauptverfasser: Xu, Zhiguo, Mao, Ruishi, Duan, Limin, She, Qianshun, Hu, Zhengguo, Li, He, Lu, Ziwei, Zhao, Qiecheng, Yang, Herun, Su, Hong, Lu, Chengui, Hu, Rongjiang, Zhang, Junwei
Format: Artikel
Sprache:eng
Schlagworte:
Anodes
Beam position monitor
Beams (radiation)
Carbon
Control systems
Deflection
Detectors
Electronics
Heavy ion therapy
Ionization chamber
Ionization chambers
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Zusammenfassung:A multi-strip ionization chamber has been built for precise and fast monitoring of the carbon beam spatial distribution at Heavy Ion Researched Facility of Lanzhou Cooling Storing Ring (HIRFL-CSR). All the detector's anode, cathode and sealed windows are made by 2μm aluminized Mylar film in order to minimize the beam lateral deflection. The sensitive area of the detector is (100×100)mm2, with the anode segmented in 100 strips, and specialized front-end electronics has been developed for simplifying the data acquisition and quick feedback of the relevant parameters to beam control system. It can complete one single beam profile in 200μs.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2013.08.069