Latest Performance Results from the FONT5 Intra-train Beam Position and Angle Feedback System at ATF2

A prototype Interaction Point beam-based feedback system for future electron-positron colliders, such as the International Linear Collider, has been designed and tested on the extraction line of the KEK Accelerator Test Facility (ATF). The FONT5 intra-train feedback system aims to stabilize the...

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Detalles Bibliográficos
Autores principales: Christian, G B, Apsimon, R J, Bett, D R, Blaskovic Kraljevic, N, Burrows, P N, Davis, M R, Gerbershagen, A, Perry, C, Constance, B, Resta-Lopez, J
Formato: info:eu-repo/semantics/article
Lenguaje:eng
Publicado: Conf. Proc. 2012
Materias:
Accelerators and Storage Rings
9: Technology for normal conducting higher energy linear accelerators
Acceso en línea:http://cds.cern.ch/record/1409458
Descripción
Sumario:A prototype Interaction Point beam-based feedback system for future electron-positron colliders, such as the International Linear Collider, has been designed and tested on the extraction line of the KEK Accelerator Test Facility (ATF). The FONT5 intra-train feedback system aims to stabilize the beam orbit by correcting both the position and angle jitter in the vertical plane on bunch-tobunch time scales, providing micron-level stability at the entrance to the ATF2 final-focus system. The system comprises three stripline beam position monitors (BPMs) and two stripline kickers, custom low-latency analogue front-end BPM processors, a custom FPGA-based digital processing board with fast ADCs, and custom kickerdrive amplifiers. The latest results from beam tests at ATF2 will be presented, including the system latency and correction performance.

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