期刊
REVIEW OF SCIENTIFIC INSTRUMENTS
卷 83, 期 2, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3662475
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The therapy of eye tumors with fast protons is an excellent tool giving very high local control rates. At the Helmholtz-Zentrum Berlin (HZB) almost 1800 patients were treated since 1998. A 2 MV Tandetron (TM) was installed as injector for the k = 132 HZB cyclotron. Using the standard 358 duoplasmatron ion source with direct extraction of negative hydrogen ions an extremely stable proton beam can be delivered, both on the short-term and the long-term scale. The hair-needle filaments made from thoriated tungsten wires have safe operation times of more than 1000 h. (C) 2012 American Institute of Physics. [doi :10.1063/1.3662475]
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