Actions for Design of an Interaction Region with Head-On Collisions for the ILC [electronic resource].

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Design of an Interaction Region with Head-On Collisions for the ILC [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 2006.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
4 pages : digital, PDF file
Additional Creators
Stanford Linear Accelerator Center, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
An interaction region (IR) with head-on collisions is considered as an alternative to the baseline configuration of the International Linear Collider (ILC) which includes two IRs with finite crossing-angles (2 and 20 mrad). Although more challenging for the beam extraction, the head-on scheme is favored by the experiments because it allows a more convenient detector configuration, particularly in the forward region. The optics of the head-on extraction is revisited by separating the e+ and e- beams horizontally, first by electrostatic separators operated at their LEP nominal field and then using a defocusing quadrupole of the final focus beam line. In this way the septum magnet is protected from the beamstrahlung power. Newly optimized final focus and extraction optics are presented, including a first look at post-collision diagnostics. The influence of parasitic collisions is shown to lead to a region of stable collision parameters. Disrupted beam and beamstrahlung photon losses are calculated along the extraction elements.
Report Numbers
E 1.99:slac-pub-11950
slac-pub-11950
Subject(s)
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Note
Published through SciTech Connect.
07/12/2006.
"slac-pub-11950"
"physics/0609248"
Presented at European Particle Accelerator Conference (EPAC 06), Edinburgh, Scotland, 26-30 Jun 2006.
Keller, L.; Nosochkov, Y.; Napoly, O.; Payet, J.; Bambade, P.; Jackson, F.; Seryi, A.; Dadoun, O.; Uriot, D.; Appleby, R.; Angal-Kalinin, D.; Alabau-Pons, M .; Brossard, J.; Rimbault, C.; Rippon, C.
Funding Information
AC02-76SF00515
View MARC record | catkey: 14682669