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Design of an interaction region with head-on collisions for the ILC
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 fav...
Autores principales: | , , , , , , , , , , , , , , |
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Lenguaje: | eng |
Publicado: |
2006
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Materias: | |
Acceso en línea: | http://cds.cern.ch/record/986628 |
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author | Appleby, R Angal-Kalinin, Deepa Jackson, F Alabau-Pons, M Bambade, P Brossard, J Dadoun, O Rimbault, C Keller, L Nosochkov, Y Seryi, Andrei Payet, J Napoly, O Rippon, C Uriot, D |
author_facet | Appleby, R Angal-Kalinin, Deepa Jackson, F Alabau-Pons, M Bambade, P Brossard, J Dadoun, O Rimbault, C Keller, L Nosochkov, Y Seryi, Andrei Payet, J Napoly, O Rippon, C Uriot, D |
author_sort | Appleby, R |
collection | CERN |
description | 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 favoured 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. |
id | cern-986628 |
institution | Organización Europea para la Investigación Nuclear |
language | eng |
publishDate | 2006 |
record_format | invenio |
spelling | cern-9866282019-09-30T06:29:59Zhttp://cds.cern.ch/record/986628engAppleby, RAngal-Kalinin, DeepaJackson, FAlabau-Pons, MBambade, PBrossard, JDadoun, ORimbault, CKeller, LNosochkov, YSeryi, AndreiPayet, JNapoly, ORippon, CUriot, DDesign of an interaction region with head-on collisions for the ILCOther Fields of PhysicsAn 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 favoured 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.physics/0609248EUROTEV-REPORT-2006-083LAL-RT-2006-09oai:cds.cern.ch:9866282006-09-28 |
spellingShingle | Other Fields of Physics Appleby, R Angal-Kalinin, Deepa Jackson, F Alabau-Pons, M Bambade, P Brossard, J Dadoun, O Rimbault, C Keller, L Nosochkov, Y Seryi, Andrei Payet, J Napoly, O Rippon, C Uriot, D Design of an interaction region with head-on collisions for the ILC |
title | Design of an interaction region with head-on collisions for the ILC |
title_full | Design of an interaction region with head-on collisions for the ILC |
title_fullStr | Design of an interaction region with head-on collisions for the ILC |
title_full_unstemmed | Design of an interaction region with head-on collisions for the ILC |
title_short | Design of an interaction region with head-on collisions for the ILC |
title_sort | design of an interaction region with head-on collisions for the ilc |
topic | Other Fields of Physics |
url | http://cds.cern.ch/record/986628 |
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