CERN Accelerating science

Article
Title	Tests of the FONT3 Linear Collider Intra-Train Beam Feedback System at the ATF
Author(s)	Burrows, P N ; Christian, Glenn B ; Clarke, Christine ; Frisch, Josef ; Hartin, Anthony F ; Kalinin, Alexander ; Khah, H ; Markiewicz, Thomas W ; McCormick, Douglas ; Molloy, Stephen ; Perry, Colin ; Ross, Marc ; Smith, Stephen ; Smith, Tonee ; White, Glen
Affiliation	(CCLRC/DL/ASTeC, Daresbury, Warrington, Cheshire) ; (OXFORDphysics, Oxford, Oxon) ; (Queen Mary University of London, London) ; (SLAC)
Publication	2005
In:	21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.1359
Subject category	Accelerators and Storage Rings
Abstract	We report preliminary results of beam tests of the FONT3 Linear Collider intra-train position feedback system prototype at the Accelerator Test Facility at KEK. The feedback system incorporates a novel beam position monitor (BPM) processor with a latency below 5 nanoseconds, and a kicker driver amplifier with similar low latency. The 56 nanosecond-long bunchtrain in the ATF extraction line was used to test the prototype with delay-loop feedback operation. The achieved latency represents a demonstration of intra-train feedback on timescales relevant even for the CLIC Linear Collider design.