Double RF system for suppression of longitudinal coupled bunch instability on UVSOR storage ring

Kazuhiro Tamura; Toshio Kasuga; Makoto Tobiyama; Hiroyuki Hama; Goro Isoyama; Toshio Kinoshita

doi:10.1143/JJAP.33.L59

Double RF system for suppression of longitudinal coupled bunch instability on UVSOR storage ring

Kazuhiro Tamura, Toshio Kasuga, Makoto Tobiyama, Hiroyuki Hama, Goro Isoyama, Toshio Kinoshita

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

A third-harmonic cavity has been installed on the UVSOR electron storage ring in order to suppress longitudinal coupled bunch instability with a double RF system. The bunch length and the frequency spread of the synchrotron oscillation were increased with the double RF system, and the measured values at a low beam current were consistent with calculated ones. The longitudinal coupled bunch instability has been perfectly damped by Landau damping at the beam current of at least up to 300 mA.

Original language	English
Pages (from-to)	L59-L62
Journal	Japanese journal of applied physics
Volume	33
Issue number	1A
DOIs	https://doi.org/10.1143/JJAP.33.L59
Publication status	Published - 1994 Jan
Externally published	Yes

Keywords

Bunch length
Double RF
Landau damping
Longitudinal instability
Synchrotron radiation
Touschek lifetime

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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abstract = "A third-harmonic cavity has been installed on the UVSOR electron storage ring in order to suppress longitudinal coupled bunch instability with a double RF system. The bunch length and the frequency spread of the synchrotron oscillation were increased with the double RF system, and the measured values at a low beam current were consistent with calculated ones. The longitudinal coupled bunch instability has been perfectly damped by Landau damping at the beam current of at least up to 300 mA.",

keywords = "Bunch length, Double RF, Landau damping, Longitudinal instability, Synchrotron radiation, Touschek lifetime",

author = "Kazuhiro Tamura and Toshio Kasuga and Makoto Tobiyama and Hiroyuki Hama and Goro Isoyama and Toshio Kinoshita",

year = "1994",

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language = "English",

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T1 - Double RF system for suppression of longitudinal coupled bunch instability on UVSOR storage ring

AU - Tamura, Kazuhiro

AU - Kasuga, Toshio

AU - Tobiyama, Makoto

AU - Hama, Hiroyuki

AU - Isoyama, Goro

AU - Kinoshita, Toshio

PY - 1994/1

Y1 - 1994/1

N2 - A third-harmonic cavity has been installed on the UVSOR electron storage ring in order to suppress longitudinal coupled bunch instability with a double RF system. The bunch length and the frequency spread of the synchrotron oscillation were increased with the double RF system, and the measured values at a low beam current were consistent with calculated ones. The longitudinal coupled bunch instability has been perfectly damped by Landau damping at the beam current of at least up to 300 mA.

AB - A third-harmonic cavity has been installed on the UVSOR electron storage ring in order to suppress longitudinal coupled bunch instability with a double RF system. The bunch length and the frequency spread of the synchrotron oscillation were increased with the double RF system, and the measured values at a low beam current were consistent with calculated ones. The longitudinal coupled bunch instability has been perfectly damped by Landau damping at the beam current of at least up to 300 mA.

KW - Bunch length

KW - Double RF

KW - Landau damping

KW - Longitudinal instability

KW - Synchrotron radiation

KW - Touschek lifetime

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