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Article
Report number	LHC-PROJECT-Report-911 ; CERN-LHC-Project-Report-911
Title	Modifications to the SPS LSS6 Septa for LHC and the SPS Septa Diluters
Author(s)	Borburgh, Y ; Balhan, B ; Goddard, B ; Kadi, Y
Affiliation	(CERN)
Publication	2006
Imprint	13 Jul 2007
Number of pages	4
Note	revised version submitted on 2006-08-24 16:20:36
In:	10th European Particle Accelerator Conference, Edinburgh, UK, 26 - 30 Jun 2006, pp.2565
Subject category	Accelerators and Storage Rings
Accelerator/Facility, Experiment	CERN LHC
Free keywords	LHC ; SPS ; extraction ; proton ; septum
Abstract	The Large Hadron Collider required the modification of the existing extraction channel in the long straight section (LSS) 6 of the CERN Super Proton Synchrotron (SPS), including the suppression of the electrostatic wire septa. The newly set up fast extraction will be used to transfer protons at 450 GeV/c as well as ions via the 2.9 km long transfer line TI 2 to Ring 1 of the LHC. The girder of the existing SPS DC septa was modified to accommodate a new septum protection element. Changes were also applied to the septum diluter in the fast extraction channel in LSS4, leading to the other LHC ring and the CNGS facility. The requirements and the layout of the new LSS6 extraction channel will be described including a discussion of the design and performance of the installed septum diluters.
Copyright/License	publication: (License: CC-BY)

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