1 / 3

Working Group 4 Recommendations:

A Recommendation on the IP Configuration to be Chosen for the ILC Baseline Configuration Document Wilhelm Bialowons (DESY), Thomas Markiewicz (SLAC), Hitoshi Yamamoto (Tohoku U.). Working Group 4 Recommendations: BCD: Two BDS (2 mrad & 20mrad), Two IR halls, separated in z, Two detectors

taima
Download Presentation

Working Group 4 Recommendations:

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. A Recommendation on the IP Configuration to be Chosen for the ILC Baseline Configuration DocumentWilhelm Bialowons (DESY), Thomas Markiewicz (SLAC), Hitoshi Yamamoto (Tohoku U.) Working Group 4 Recommendations: • BCD: Two BDS (2 mrad & 20mrad), Two IR halls, separated in z, Two detectors • ACD1: Two BDS (2 mrad & 20mrad), One IR hall, z=0, Two detectors • ACD2: One BDS (X-angle unspecified), One IR hall, z=0, Two detectors, push-pull capability Minimal Configuration • One BDS, One IR Hall, One detector designed so as to permit construction of a second BDS, IR Hall and detector at a later date.

  2. Cost Information • If need to also dig more linac tunnel, IP savings applied to Energy Reach reduced “several %” • On 2005.11.16, 1 € = 139.5 ¥ = 1.169 $ or 1 $ = 119.3 ¥

  3. Conclusion If civil cost proportional to volume of excavation we neglect any gain from having one large IR rather than 2 smaller IRs Cost(BCD)=Cost(ACD1) Cost of 2nd IR Hall only ~ 30M€, 58M$, 78·108¥ Cost Increment(ACD2)-Cost(Minimal)<< Cost(Detector) WG4 not ready for recommend a configuration for down-select Cost numbers not internationally agreed upon Sub costs related to IR (Halls vs. dumps vs. beamline CF vs. beamline Hardware) vary greatly Stay with Baseline 2-20mrad Configuration while WG4 & CDE Board do their work

More Related