Longitudinal beam dynamics for heavy ion fusion
The longitudinal wall impedance instability is of potential importance for a heavy ion fusion (HIF) driver because complete stabilization of this mode via momentum spread is impractical due to the requirement of focusing the beam onto the inertial confinement fusion target. This instability is being...
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creator | Callahan, D.A. Langdon, A.B. Freidman, A. Haber, I. |
description | The longitudinal wall impedance instability is of potential importance for a heavy ion fusion (HIF) driver because complete stabilization of this mode via momentum spread is impractical due to the requirement of focusing the beam onto the inertial confinement fusion target. This instability is being studied with the WARPrz particle-in-cell code. The impedance of the induction linac modules is modeled as a wall impedance corresponding to a continuum of resistors and capacitors in parallel. We discuss simulations of the this instability, including reflection of perturbations off the beam end, the effect of finite temperature on the growth rate, and errors in intermittently-applied axial confining fields as a seed for this instability. We also present very long simulations in which we study the approach to equilibrium.< > |
doi_str_mv | 10.1109/PAC.1993.308806 |
format | Conference Proceeding |
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This instability is being studied with the WARPrz particle-in-cell code. The impedance of the induction linac modules is modeled as a wall impedance corresponding to a continuum of resistors and capacitors in parallel. We discuss simulations of the this instability, including reflection of perturbations off the beam end, the effect of finite temperature on the growth rate, and errors in intermittently-applied axial confining fields as a seed for this instability. We also present very long simulations in which we study the approach to equilibrium.< ></description><identifier>ISBN: 9780780312036</identifier><identifier>ISBN: 0780312031</identifier><identifier>DOI: 10.1109/PAC.1993.308806</identifier><language>eng</language><publisher>IEEE</publisher><subject>Acceleration ; Contracts ; Driver circuits ; Electrostatics ; Impedance ; Laboratories ; Optical reflection ; Particle beams ; Physics ; Temperature</subject><ispartof>Proceedings of International Conference on Particle Accelerators, 1993, p.730-732 vol.1</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/308806$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,776,780,785,786,2052,4036,4037,27902,54895</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/308806$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Callahan, D.A.</creatorcontrib><creatorcontrib>Langdon, A.B.</creatorcontrib><creatorcontrib>Freidman, A.</creatorcontrib><creatorcontrib>Haber, I.</creatorcontrib><title>Longitudinal beam dynamics for heavy ion fusion</title><title>Proceedings of International Conference on Particle Accelerators</title><addtitle>PAC</addtitle><description>The longitudinal wall impedance instability is of potential importance for a heavy ion fusion (HIF) driver because complete stabilization of this mode via momentum spread is impractical due to the requirement of focusing the beam onto the inertial confinement fusion target. This instability is being studied with the WARPrz particle-in-cell code. The impedance of the induction linac modules is modeled as a wall impedance corresponding to a continuum of resistors and capacitors in parallel. We discuss simulations of the this instability, including reflection of perturbations off the beam end, the effect of finite temperature on the growth rate, and errors in intermittently-applied axial confining fields as a seed for this instability. We also present very long simulations in which we study the approach to equilibrium.< ></description><subject>Acceleration</subject><subject>Contracts</subject><subject>Driver circuits</subject><subject>Electrostatics</subject><subject>Impedance</subject><subject>Laboratories</subject><subject>Optical reflection</subject><subject>Particle beams</subject><subject>Physics</subject><subject>Temperature</subject><isbn>9780780312036</isbn><isbn>0780312031</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>1993</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNotj8tqwzAQRQWlkJJ6XchKP2BnZhTLo2UwfYEhXbTrIFtSqxLbxUoK_vsa0sOFs7twhHhAKBDBbN_2dYHGqEIBM-gbkZmKYZlCAqVXIkvpGxbKkrWGO7FtxuEzni8uDvYkW2976ebB9rFLMoyT_PL2d5ZxHGS4pEX34jbYU_LZv9fi4-nxvX7Jm8Pza71v8ogVnXPlA3bEbrfjFhyQN45Mx4SkURFUwRA4BiKnK1tqUNAZRt-yBafLEtVabK6_0Xt__Jlib6f5eK1SfxRQQAo</recordid><startdate>1993</startdate><enddate>1993</enddate><creator>Callahan, D.A.</creator><creator>Langdon, A.B.</creator><creator>Freidman, A.</creator><creator>Haber, I.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>1993</creationdate><title>Longitudinal beam dynamics for heavy ion fusion</title><author>Callahan, D.A. ; Langdon, A.B. ; Freidman, A. ; Haber, I.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i172t-3ef1c28d448b0d02e9d29c8212613207f920d8022d67a56030c981eb8a0d65513</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>1993</creationdate><topic>Acceleration</topic><topic>Contracts</topic><topic>Driver circuits</topic><topic>Electrostatics</topic><topic>Impedance</topic><topic>Laboratories</topic><topic>Optical reflection</topic><topic>Particle beams</topic><topic>Physics</topic><topic>Temperature</topic><toplevel>online_resources</toplevel><creatorcontrib>Callahan, D.A.</creatorcontrib><creatorcontrib>Langdon, A.B.</creatorcontrib><creatorcontrib>Freidman, A.</creatorcontrib><creatorcontrib>Haber, I.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Callahan, D.A.</au><au>Langdon, A.B.</au><au>Freidman, A.</au><au>Haber, I.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Longitudinal beam dynamics for heavy ion fusion</atitle><btitle>Proceedings of International Conference on Particle Accelerators</btitle><stitle>PAC</stitle><date>1993</date><risdate>1993</risdate><spage>730</spage><epage>732 vol.1</epage><pages>730-732 vol.1</pages><isbn>9780780312036</isbn><isbn>0780312031</isbn><abstract>The longitudinal wall impedance instability is of potential importance for a heavy ion fusion (HIF) driver because complete stabilization of this mode via momentum spread is impractical due to the requirement of focusing the beam onto the inertial confinement fusion target. This instability is being studied with the WARPrz particle-in-cell code. The impedance of the induction linac modules is modeled as a wall impedance corresponding to a continuum of resistors and capacitors in parallel. We discuss simulations of the this instability, including reflection of perturbations off the beam end, the effect of finite temperature on the growth rate, and errors in intermittently-applied axial confining fields as a seed for this instability. We also present very long simulations in which we study the approach to equilibrium.< ></abstract><pub>IEEE</pub><doi>10.1109/PAC.1993.308806</doi></addata></record> |
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source | IEEE Electronic Library (IEL) Conference Proceedings |
subjects | Acceleration Contracts Driver circuits Electrostatics Impedance Laboratories Optical reflection Particle beams Physics Temperature |
title | Longitudinal beam dynamics for heavy ion fusion |
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