CERN Accelerating science

Published Articles
Report number	CERN-ACC-2015-314
Title	Non-invasive Beam Profile Monitoring
Author(s)	Welsch, Carsten (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Cybulski, Tomasz (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Jeff, Adam (CERN ; Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Tzoganis, Vasilis (U. Liverpool (main) ; Cockcroft Inst. Accel. Sci. Tech. ; RIKEN (main)) ; Zhang, Hao (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main))
Publication	2015
Number of pages	3
In:	6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.MOPMA005
Subject category	Accelerators and Storage Rings ; Detectors and Experimental Techniques
Abstract	State-of-the-art high energy and high intensity accelerators require new approaches to transverse beam profile monitoring as many established techniques will no longer work due to the high power stored in the beam. In addition, many accelerator applications such as ion beam cancer therapy or material irradiation would benefit significantly from the availability of non-invasive beam profile monitors. Research in the QUASAR Group has focused on this area over the past 5 years. Two different approaches were successfully developed: Firstly, a supersonic gas jet-based monitor was designed and commissioned. It enables the detection of the 2-dimensional transverse beam profile of essentially any charged particle beam with negligible disturbance of the primary beam and accelerator vacuum. Secondly, a monitor based on the Silicon strip VELO detector, originally developed for the LHCb experiment, was tested as an online beam monitor at the Clatterbridge Cancer Center in the UK. The design of both monitors is presented in this contribution. Results from measurements are discussed and complemented by numerical studies into the performance limits of either technique.
Copyright/License	publication: © 2015-2024 The Author(s) (License: CC-BY-3.0)

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