A Study of the Collective Beam Instabilities in the Damping Ring of the VEPP-5 Injection Complex

V. V. Balakin; D. E. Berkaev; F. A. Emanov

doi:10.1134/S002044122206001X

A Study of the Collective Beam Instabilities in the Damping Ring of the VEPP-5 Injection Complex

Переведенное название: Исследование коллективных эффектов пучка накопителя-охладителя инжекционного комплекса ВЭПП-5

V. V. Balakin, D. E. Berkaev, F. A. Emanov

Кафедра общей физики ФФ

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

Аннотация

Представлены результаты исследования коллективных эффектов пучка накопителя-охладителя инжекционного комплекса ВЭПП-5. Созданные пучком заряженных частиц wake-поля искажают потенциальную яму ускоряющей высокочастотной системы, что приводит к удлинению пучка и искажению формы его продольного распределения. Приведены результаты измерений продольного профиля пучка диссектором и стрик-камерой и теоретически обоснован процесс искажения потенциальной ямы высокочастотной системы. Построена модель импеданса связи в виде эквивалентной RLC-цепи и оценены ее параметры путем сравнения данных моделирования с экспериментальными. Полученная модель импеданса связи была использована для прогнозирования поведения пучка накопителя-охладителя при модификации вакуумной системы ускорителя.

Переведенное название	Исследование коллективных эффектов пучка накопителя-охладителя инжекционного комплекса ВЭПП-5
Язык оригинала	английский
Страницы (с-по)	878-886
Число страниц	9
Журнал	Instruments and Experimental Techniques
Том	65
Номер выпуска	6
DOI	https://doi.org/10.1134/S002044122206001X
Состояние	Опубликовано - дек. 2022

Предметные области OECD FOS+WOS

1.03 ФИЗИЧЕСКИЕ НАУКИ И АСТРОНОМИЯ

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10.1134/S002044122206001X

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@article{65ea1b1c5ec444ab8f6f48ac90889550,

title = "A Study of the Collective Beam Instabilities in the Damping Ring of the VEPP-5 Injection Complex",

abstract = "The collective beam instabilities in the damping ring of the VEPP-5 injection complex have been investigated. Wakefields created by the charged-particle beam distort the potential well of the accelerating RF system, which leads to beam lengthening and to distortion of the shape of its longitudinal distribution. The longitudinal beam profile has been measured by a dissector and a streak camera, and the process of potential well distortion of the RF system is theoretically justified. A model of the coupling impedance in the form of an equivalent RLC circuit has been constructed, and its parameters are estimated by comparing the simulation data to experimental results. The obtained model of the coupling impedance has been used to predict the behavior of the damping ring beam after modification of the accelerator vacuum system.",

author = "Balakin, {V. V.} and Berkaev, {D. E.} and Emanov, {F. A.}",

note = "Funding Information: The reported study was funded by RFBR according to the research project № 20-32-90082. Publisher Copyright: {\textcopyright} 2022, Pleiades Publishing, Ltd.",

year = "2022",

month = dec,

doi = "10.1134/S002044122206001X",

language = "English",

volume = "65",

pages = "878--886",

journal = "Instruments and Experimental Techniques",

issn = "0020-4412",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "6",

}

A Study of the Collective Beam Instabilities in the Damping Ring of the VEPP-5 Injection Complex. / Balakin, V. V.; Berkaev, D. E.; Emanov, F. A.

В: Instruments and Experimental Techniques, Том 65, № 6, 12.2022, стр. 878-886.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

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AU - Balakin, V. V.

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AU - Emanov, F. A.

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AB - The collective beam instabilities in the damping ring of the VEPP-5 injection complex have been investigated. Wakefields created by the charged-particle beam distort the potential well of the accelerating RF system, which leads to beam lengthening and to distortion of the shape of its longitudinal distribution. The longitudinal beam profile has been measured by a dissector and a streak camera, and the process of potential well distortion of the RF system is theoretically justified. A model of the coupling impedance in the form of an equivalent RLC circuit has been constructed, and its parameters are estimated by comparing the simulation data to experimental results. The obtained model of the coupling impedance has been used to predict the behavior of the damping ring beam after modification of the accelerator vacuum system.

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