Multiple-energy operation with extended flattops at HIMAC

被引：67

作者：

Iwata, Y. ^{[1
]}

Kadowaki, T. ^{[2
]}

Uchiyama, H. ^{[2
]}

Fujimoto, T. ^{[2
]}

Takada, E. ^{[1
]}

Shirai, T. ^{[1
]}

Furukawa, T. ^{[1
]}

Mizushima, K. ^{[1
]}

Takeshita, E. ^{[1
]}

Katagiri, K. ^{[1
]}

Sato, S. ^{[1
]}

Sano, Y. ^{[2
]}

Noda, K. ^{[1
]}

机构：

[1] NIRS, Dept Accelerator & Med Phys, Inage Ku, Chiba 2638555, Japan

[2] AEC, Inage Ku, Chiba 2630043, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2010年 / 624卷 / 01期

关键词：

Heavy ion cancer therapy; Medical accelerators; Synchrotron operation; Scanning irradiation; HEAVY-ION RADIOTHERAPY; TREATMENT FACILITY; SYSTEM; DESIGN; IRRADIATION; THERAPY;

D O I：

10.1016/j.nima.2010.09.016

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Multiple-energy operation with extended flattops for synchrotron accelerators is being developed at HIMAC This operation uses synchrotron operation-patterns having a stepwise flattop With these patterns a beam would be initially accelerated to the maximum energy and then successively decelerated to lower energies Having extended the flattops and extracted beams during these flattops heavy ions with various energies can be provided in a single synchrotron cycle Since the extraction energy can be quickly changed by the accelerator itself no energy degrader will be required to control the depth dose-distribution By applying this multiple-energy operation to our fast raster-scanning irradiation we can considerably reduce the total irradiation time and concurrently obtain excellent depth dose-distributions Beam acceleration and extraction tests using this operation were made Successful results of the tests proved the effectiveness of this multiple-energy operation with extended flattops in heavy-ion therapy (C) 2010 Elsevier BV All rights reserved

引用

页码：33 / 38

页数：6

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