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Emittance balancing technique for the resonant slow extraction from a synchrotron
Tang JY(唐靖宇); Liu L(刘磊); Yang Z(杨征); Fang SX(方守贤); Guan XL(关晓磊); Tang, JY; Liu, L; Yang, Z; Fang, SX; Guan, XL
2009
发表期刊PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS
卷号12期号:5页码:50101
通讯作者[Tang, J. Y. ; Liu, L. ; Yang, Z. ; Fang, S. X. ; Guan, X. L.] CAS, Inst High Energy Phys, Beijing 100049, Peoples R China
摘要A new method is proposed to produce identical beam emittances in the transverse phase planes from a severely asymmetric beam extracted from a slow-cycling synchrotron. This is important to obtain a good beam distribution at the irradiation spot when the spot scanning method is used for the treatment in hadron therapy. The method makes use of the beam rotation effect either by a solenoid or by a rotational quadrupole section, referred to as rotator, to produce identical emittances in the two transverse phase planes. It is also helpful for the stabilization of the beam spot at the irradiation point. Simulation studies with an artificially generated beam have been carried out to prove the principle. The method is not only applicable to fixed treatment nozzles but also to rotational gantry nozzles. Both a solenoid and a section of quadrupole rotator can be used, with the former being ideal for proton gantries and the latter for fixed carbon nozzles. There is a practical limit in using room-temperature solenoid due to the high beam rigidity in the case of a carbon beam, for which a superconducting solenoid has to be used. The comparison with other methods and the practical applications of the method are also presented.
文章类型Article
学科领域Physics
研究领域[WOS]Physics
DOI10.1103/PhysRevSTAB.12.050101
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语种英语
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000266697700001
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被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240638
专题院士
中国科学院高能物理研究所_中国散裂中子源
作者单位中国科学院高能物理研究所
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Tang JY,Liu L,Yang Z,et al. Emittance balancing technique for the resonant slow extraction from a synchrotron[J]. PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS,2009,12(5):50101.
APA 唐靖宇.,刘磊.,杨征.,方守贤.,关晓磊.,...&Guan, XL.(2009).Emittance balancing technique for the resonant slow extraction from a synchrotron.PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS,12(5),50101.
MLA 唐靖宇,et al."Emittance balancing technique for the resonant slow extraction from a synchrotron".PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS 12.5(2009):50101.
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