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dc.creatorToprek, Dragan
dc.date.accessioned2018-03-01T20:07:11Z
dc.date.available2018-03-01T20:07:11Z
dc.date.issued2007
dc.identifier.issn0168-583X (print)
dc.identifier.urihttp://vinar.vin.bg.ac.rs/handle/123456789/3230
dc.description.abstractExpressions which can be used to calculate the focusing coefficients applicable to the interior regions (no fringe fields) of magnetic helical hexapole lenses of infinite length have been derived through second-order. It is shown that the helical hexapole has better focusing properties than the non-helical case. Expressions for the aberration coefficients are derived and, for appropriate value of the twisted angle, the helical hexapole reduces aberrations compared to the non-helical case. The numerical examples of a magnetic helical hexapoles in the case of a 25 MeV proton and 250 GeV electron beams are performed. (c) 2007 Elsevier B.V. All rights reserved.en
dc.rightsrestrictedAccessen
dc.sourceNuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atomsen
dc.subjecthelical hexapoleen
dc.subjectaberrationen
dc.subjectbeam opticsen
dc.titleSecond-order theory of helical hexapole lens of infinite lengthen
dc.typearticleen
dcterms.abstractТопрек Драган;
dc.citation.volume263
dc.citation.issue2
dc.citation.spage483
dc.citation.epage487
dc.identifier.wos000250661100024
dc.identifier.doi10.1016/j.nimb.2007.06.016
dc.citation.rankM21
dc.identifier.scopus2-s2.0-34848845215


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