Measurement of the longitudinal wake potential in the photon factory electron storage ring

被引：0
|
作者：
Tamura, K [1 ]
Kasuga, T [1 ]
Mochihashi, A [1 ]
Sun, BG [1 ]
机构：
[1] SPring8, Kamigori 67812, Japan
来源：
PROCEEDINGS OF THE 1997 PARTICLE ACCELERATOR CONFERENCE, VOLS 1-3: PLENARY AND SPECIAL SESSIONS ACCELERATORS AND STORAGE RINGS - BEAM DYNAMICS, INSTRUMENTATION, AND CONTROLS | 1998年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We tried to determine the longitudinal wake potential in the Photon Factory electron storage ring by measuring the longitudinal bunch structure with a photon counting method. A train of test bunches whose currents were small enough to neglect the interaction among them were injected behind a bunch with a large current. Deformation and the shift of the test bunches in the longitudinal direction due to the wake field generated by the large current bunch were measured, and the wake potential was estimated. We found the wake potential consists of two components: one is the short range wake which vanishes outside the bunch, and the other with the medium range of successive several bunches. The photon counting method is not always suitable for the multi-bunched beam. Development of a fast light shutter with a Pockels cell which enables us to measure the structure of a bunch in the multi-bunch mode is under way.
引用
收藏
页码：1664 / 1666
页数：3
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