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The 2mrad crossing angle scheme for the international linear collider

Abstract : The present baseline configuration of the ILC has a 14 mrad crossing angle between the beams at the interaction point. This allows easier extraction of the beams after col- lisions, but imposes on the other hand more constraints on the control of the beams prior to colliding them. More- over, some limitations to physics capabilities arise, in par- ticular because of the degraded very forward electromag- netic detector hermeticity and because calibration proce- dures for (gaseous) tracking detectors become more com- plex. To mitigate these problems, alternative configurations with very small crossing angles are studied. A new version of the 2 mrad layout was designed last year, based on sim- pler concepts and assumptions. The emphasis of this new scheme was to satisfy specifications with as few and feasi- ble magnets as possible, in order to reduce costs.
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http://hal.in2p3.fr/in2p3-00308498
Contributor : Sabine Starita <>
Submitted on : Wednesday, July 30, 2008 - 3:57:12 PM
Last modification on : Wednesday, September 16, 2020 - 4:13:29 PM
Long-term archiving on: : Saturday, November 26, 2016 - 12:48:11 AM

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  • HAL Id : in2p3-00308498, version 1

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R. B. Appleby, D. Angal-Kalinin, P. Bambade, S. Cavalier, G. Le Meur, et al.. The 2mrad crossing angle scheme for the international linear collider. European Particle Accelerator Conference (EPAC08), Jun 2008, Genoa, Italy. pp.556-558. ⟨in2p3-00308498⟩

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