Expressions for the threshold current of multipass beam breakup in recirculating linacs from single cavity models

We investigate multipass beam breakup (BBU) in a recirculating linear accelerator in the framework of a single cavity model. We present expressions for the beam breakup threshold current for various situations derived from a perturbative solution of BBU equations. These formulae should serve as a gu...

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Main Author:	Byung C. Yunn
Format:	Article
Language:	English
Published:	American Physical Society 2005-10-01
Series:	Physical Review Special Topics. Accelerators and Beams
Online Access:	http://doi.org/10.1103/PhysRevSTAB.8.104401

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spelling	doaj-f0964d832c3f4def8739208724354b9f2020-11-25T00:22:23ZengAmerican Physical SocietyPhysical Review Special Topics. Accelerators and Beams1098-44022005-10-0181010440110.1103/PhysRevSTAB.8.104401Expressions for the threshold current of multipass beam breakup in recirculating linacs from single cavity modelsByung C. YunnWe investigate multipass beam breakup (BBU) in a recirculating linear accelerator in the framework of a single cavity model. We present expressions for the beam breakup threshold current for various situations derived from a perturbative solution of BBU equations. These formulae should serve as a guide to understand the BBU phenomenon for a particular system and also as a tool to estimate the BBU threshold current quickly. Many of the results presented are more general than previous considerations because they include the effects of coupling between the two transverse polarizations in each dipole higher order mode.http://doi.org/10.1103/PhysRevSTAB.8.104401
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Byung C. Yunn
spellingShingle	Byung C. Yunn Expressions for the threshold current of multipass beam breakup in recirculating linacs from single cavity models Physical Review Special Topics. Accelerators and Beams
author_facet	Byung C. Yunn
author_sort	Byung C. Yunn
title	Expressions for the threshold current of multipass beam breakup in recirculating linacs from single cavity models
title_short	Expressions for the threshold current of multipass beam breakup in recirculating linacs from single cavity models
title_full	Expressions for the threshold current of multipass beam breakup in recirculating linacs from single cavity models
title_fullStr	Expressions for the threshold current of multipass beam breakup in recirculating linacs from single cavity models
title_full_unstemmed	Expressions for the threshold current of multipass beam breakup in recirculating linacs from single cavity models
title_sort	expressions for the threshold current of multipass beam breakup in recirculating linacs from single cavity models
publisher	American Physical Society
series	Physical Review Special Topics. Accelerators and Beams
issn	1098-4402
publishDate	2005-10-01
description	We investigate multipass beam breakup (BBU) in a recirculating linear accelerator in the framework of a single cavity model. We present expressions for the beam breakup threshold current for various situations derived from a perturbative solution of BBU equations. These formulae should serve as a guide to understand the BBU phenomenon for a particular system and also as a tool to estimate the BBU threshold current quickly. Many of the results presented are more general than previous considerations because they include the effects of coupling between the two transverse polarizations in each dipole higher order mode.
url	http://doi.org/10.1103/PhysRevSTAB.8.104401
work_keys_str_mv	AT byungcyunn expressionsforthethresholdcurrentofmultipassbeambreakupinrecirculatinglinacsfromsinglecavitymodels
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Expressions for the threshold current of multipass beam breakup in recirculating linacs from single cavity models

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