Transverse instability of a bunched beam with space charge and wakefield

Transverse instability of a bunched beam with space charge and wakefield

Transverse instability of a bunch in a ring accelerator is considered with space charge and wakefield taken into account. It is assumed that space charge tune shift significantly exceeds the synchrotron tune. Bunch spectrum, instability growth rate, and effects of chromaticity are studied with diffe...

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Bibliographic Details
Main Author: V. Balbekov
Format: Article
Language:English
Published: American Physical Society 2011-09-01
Series:Physical Review Special Topics. Accelerators and Beams
Online Access:http://doi.org/10.1103/PhysRevSTAB.14.094401
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spelling doaj-fba42a2b598c49c3bd77bc94a5b309f02020-11-25T01:56:47ZengAmerican Physical SocietyPhysical Review Special Topics. Accelerators and Beams1098-44022011-09-0114909440110.1103/PhysRevSTAB.14.094401Transverse instability of a bunched beam with space charge and wakefieldV. BalbekovTransverse instability of a bunch in a ring accelerator is considered with space charge and wakefield taken into account. It is assumed that space charge tune shift significantly exceeds the synchrotron tune. Bunch spectrum, instability growth rate, and effects of chromaticity are studied with different bunch and wake forms. Fast instability caused by coupling of transverse modes is studied in detail. It is shown that, for monotonic wakes, the transverse mode coupling instability is possible only with a certain sign of the wake. Its threshold and growth rate are calculated precisely over a wide range of parameters.http://doi.org/10.1103/PhysRevSTAB.14.094401
collection DOAJ
language English
format Article
sources DOAJ
author V. Balbekov
spellingShingle V. Balbekov
Transverse instability of a bunched beam with space charge and wakefield
Physical Review Special Topics. Accelerators and Beams
author_facet V. Balbekov
author_sort V. Balbekov
title Transverse instability of a bunched beam with space charge and wakefield
title_short Transverse instability of a bunched beam with space charge and wakefield
title_full Transverse instability of a bunched beam with space charge and wakefield
title_fullStr Transverse instability of a bunched beam with space charge and wakefield
title_full_unstemmed Transverse instability of a bunched beam with space charge and wakefield
title_sort transverse instability of a bunched beam with space charge and wakefield
publisher American Physical Society
series Physical Review Special Topics. Accelerators and Beams
issn 1098-4402
publishDate 2011-09-01
description Transverse instability of a bunch in a ring accelerator is considered with space charge and wakefield taken into account. It is assumed that space charge tune shift significantly exceeds the synchrotron tune. Bunch spectrum, instability growth rate, and effects of chromaticity are studied with different bunch and wake forms. Fast instability caused by coupling of transverse modes is studied in detail. It is shown that, for monotonic wakes, the transverse mode coupling instability is possible only with a certain sign of the wake. Its threshold and growth rate are calculated precisely over a wide range of parameters.
url http://doi.org/10.1103/PhysRevSTAB.14.094401
work_keys_str_mv AT vbalbekov transverseinstabilityofabunchedbeamwithspacechargeandwakefield
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