Correcting coils in end magnets of accelerators

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dc.contributor.authorKassab, L. R P [UNESP]
dc.contributor.authorGouffon, P.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-27T11:19:39Z
dc.date.available2014-05-27T11:19:39Z
dc.date.issued1998-12-01
dc.description.abstractWe present an empirical investigation of the correcting coils behavior used to homogenize the field distribution of the race-track microtron accelerator end magnets. These end magnets belong to the second stage of the 30.0 MeV cw electron accelerator under construction at IFUSP, the race-track microtron booster, in which the beam energy is raised from 1.97 to 5.1 MeV. The correcting coils are attached to the pole faces and are based on the inhomogeneities of the magnetic field measured. The performance of these coils, when operating the end magnets with currents that differ by ±10% from the one used in the mappings that originated the coils copper leads, is presented. For one of the magnets, adjusting conveniently the current of the correcting coils makes it possible to homogenize field distributions of different intensities, once their shapes are practically identical to those that originated the coils. For the other one, the shapes are changed and the coils are less efficient. This is related to intrinsic factors that determine the inhomogeneities. However, we obtained uniformity of 0.001% in both cases. © 1998 The American Physical Society.en
dc.description.affiliationFaculty of Technology Ctro. Estadual de Educ. Technologica UNESP, Praca Coronel Fernando Prestes 30, CEP 01124-060, São Paulo, SP
dc.description.affiliationInstitute of Physics University of São Paulo, São Paulo
dc.description.affiliationUnespFaculty of Technology Ctro. Estadual de Educ. Technologica UNESP, Praca Coronel Fernando Prestes 30, CEP 01124-060, São Paulo, SP
dc.format.extent1-4
dc.identifierhttp://dx.doi.org/10.1103/PhysRevSTAB.1.012401
dc.identifier.citationPhysical Review Special Topics - Accelerators and Beams, v. 1, n. 1, p. 1-4, 1998.
dc.identifier.doi10.1103/PhysRevSTAB.1.012401
dc.identifier.issn1098-4402
dc.identifier.scopus2-s2.0-18144394276
dc.identifier.urihttp://hdl.handle.net/11449/65608
dc.language.isoeng
dc.relation.ispartofPhysical Review Special Topics - Accelerators and Beams
dc.relation.ispartofjcr1.844
dc.relation.ispartofsjr0,574
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.titleCorrecting coils in end magnets of acceleratorsen
dc.typeArtigo
dcterms.licensehttp://publish.aps.org/authors/transfer-of-copyright-agreement

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