Physical mechanism of beam halo-chaos formation for high-current proton beam in a periodic-focusing channels and a nonlinear control strategy
<正> The physical mechanism of the halo-chaos formation for a high intensity proton beam in a periodic-focusing channel is analyzed using the transfer matrix theory and a qualitative analysis method. Particles-in-cell simulations are further used to explore the mechanism of the beam hal...
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| Veröffentlicht in: | 自然科学进展：英文版 2001 (1), p.8-17 |
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| container_title | 自然科学进展：英文版 |
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| creator | 方锦清 陈关荣 周刘来 黄继杰 |
| description | <正> The physical mechanism of the halo-chaos formation for a high intensity proton beam in a periodic-focusing channel is analyzed using the transfer matrix theory and a qualitative analysis method. Particles-in-cell simulations are further used to explore the mechanism of the beam halo-chaos formation, which concerns not only with the nonlinear effect of the beam space charge but also with the transverse energy exchange between the particles and the particle-core, as well as the chaos generated by the nonlinear resonance overlap. A nonlinear control method is proposed for controlling the halo-chaos. Simulation results show that the method is effective. Some potential applications of the halo-chaos control in experiments are discussed. |
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Particles-in-cell simulations are further used to explore the mechanism of the beam halo-chaos formation, which concerns not only with the nonlinear effect of the beam space charge but also with the transverse energy exchange between the particles and the particle-core, as well as the chaos generated by the nonlinear resonance overlap. A nonlinear control method is proposed for controlling the halo-chaos. Simulation results show that the method is effective. Some potential applications of the halo-chaos control in experiments are discussed.</description><identifier>ISSN: 1002-0071</identifier><language>eng</language><subject>analysis;halo-chaos;particles ; beam;transfer ; cell ; control ; current ; feedback ; high ; matrix ; proton ; simulation;nonlinear ; theory;qualitative</subject><ispartof>自然科学进展：英文版, 2001 (1), p.8-17</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85882X/85882X.jpg</thumbnail><link.rule.ids>314,780,784,4021</link.rule.ids></links><search><creatorcontrib>方锦清;陈关荣;周刘来;黄继杰</creatorcontrib><title>Physical mechanism of beam halo-chaos formation for high-current proton beam in a periodic-focusing channels and a nonlinear control strategy</title><title>自然科学进展：英文版</title><addtitle>Progress in Natural Science</addtitle><description>&lt;正&gt; The physical mechanism of the halo-chaos formation for a high intensity proton beam in a periodic-focusing channel is analyzed using the transfer matrix theory and a qualitative analysis method. Particles-in-cell simulations are further used to explore the mechanism of the beam halo-chaos formation, which concerns not only with the nonlinear effect of the beam space charge but also with the transverse energy exchange between the particles and the particle-core, as well as the chaos generated by the nonlinear resonance overlap. A nonlinear control method is proposed for controlling the halo-chaos. Simulation results show that the method is effective. Some potential applications of the halo-chaos control in experiments are discussed.</description><subject>analysis;halo-chaos;particles</subject><subject>beam;transfer</subject><subject>cell</subject><subject>control</subject><subject>current</subject><subject>feedback</subject><subject>high</subject><subject>matrix</subject><subject>proton</subject><subject>simulation;nonlinear</subject><subject>theory;qualitative</subject><issn>1002-0071</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNqVTstOxDAQywEklsc_zB1Vmi6wZc8IxJED99WQTZtByUyZZA_9CP6ZFPEDyAdblm35zG16xG2HOPQX7rKUT1zlbti477e4FPaUIAcfSbhk0BE-AmWIlLRrphYY1TJVVlkVRJ5i509mQSrMprX5vw0WIJiDsR7Zd6P6U2GZYB2WkAqQHFtAVBJLIAOvUk0TlGpUw7Rcu_ORUgk3f3zlbl-e359e2wuV6attHWbjTLYcdnscHob7x_0WsW_A_u5_6R-WfFhY</recordid><startdate>2001</startdate><enddate>2001</enddate><creator>方锦清;陈关荣;周刘来;黄继杰</creator><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope></search><sort><creationdate>2001</creationdate><title>Physical mechanism of beam halo-chaos formation for high-current proton beam in a periodic-focusing channels and a nonlinear control strategy</title><author>方锦清;陈关荣;周刘来;黄继杰</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-chongqing_primary_6907574892001010013</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>analysis;halo-chaos;particles</topic><topic>beam;transfer</topic><topic>cell</topic><topic>control</topic><topic>current</topic><topic>feedback</topic><topic>high</topic><topic>matrix</topic><topic>proton</topic><topic>simulation;nonlinear</topic><topic>theory;qualitative</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>方锦清;陈关荣;周刘来;黄继杰</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库- 镜像站点</collection><jtitle>自然科学进展：英文版</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>方锦清;陈关荣;周刘来;黄继杰</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Physical mechanism of beam halo-chaos formation for high-current proton beam in a periodic-focusing channels and a nonlinear control strategy</atitle><jtitle>自然科学进展：英文版</jtitle><addtitle>Progress in Natural Science</addtitle><date>2001</date><risdate>2001</risdate><issue>1</issue><spage>8</spage><epage>17</epage><pages>8-17</pages><issn>1002-0071</issn><abstract>&lt;正&gt; The physical mechanism of the halo-chaos formation for a high intensity proton beam in a periodic-focusing channel is analyzed using the transfer matrix theory and a qualitative analysis method. Particles-in-cell simulations are further used to explore the mechanism of the beam halo-chaos formation, which concerns not only with the nonlinear effect of the beam space charge but also with the transverse energy exchange between the particles and the particle-core, as well as the chaos generated by the nonlinear resonance overlap. A nonlinear control method is proposed for controlling the halo-chaos. Simulation results show that the method is effective. Some potential applications of the halo-chaos control in experiments are discussed.</abstract></addata></record> |
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| ispartof | 自然科学进展：英文版, 2001 (1), p.8-17 |
| issn | 1002-0071 |
| language | eng |
| recordid | cdi_chongqing_primary_690757489200101001 |
| source | Alma/SFX Local Collection |
| subjects | analysis halo-chaos particles beam transfer cell control current feedback high matrix proton simulation nonlinear theory qualitative |
| title | Physical mechanism of beam halo-chaos formation for high-current proton beam in a periodic-focusing channels and a nonlinear control strategy |
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