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SiD IR Layout M. Breidenbach, P. Burrows, T. Markiewicz

SiD IR Layout M. Breidenbach, P. Burrows, T. Markiewicz. SiD Collaboration Meeting 16-17 December 2005 Fermilab. 2005.10.11 Discussion. SiD Dimensions from 2005-05 files Barrel radius=6.450m Barrel half-length=2.775m EC Yoke=3.12m thick EC Yoke ends at 5.895m=2.775+3.120m

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SiD IR Layout M. Breidenbach, P. Burrows, T. Markiewicz

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  1. SiD IR Layout M. Breidenbach, P. Burrows, T. Markiewicz SiD Collaboration Meeting 16-17 December 2005 Fermilab

  2. 2005.10.11 Discussion • SiD Dimensions from 2005-05 files • Barrel radius=6.450m • Barrel half-length=2.775m • EC Yoke=3.12m thick • EC Yoke ends at 5.895m=2.775+3.120m • Assumed beam height=Barrel radius + 1m • Garage assembly requirements • 3m shielding wall between beamline position & garage • 5m free space between shield wall & rotated barrel yoke • 2m free + 2m assembly fixture+1m free • 4m free space between rotated barrel yoke & rotated barrel HCAL • 2m free + 2m assembly fixture+1m free • 5m free space between rotated barrel yoke & pit wall • 2m free + 2m assembly fixture+1m free

  3. Detector Access Guesstimates • Door support leg overhang= • 3.2m~25% barrel diameter • Door opening= • 3.0m • Free space to walk around door ends= • 1.9m • Reserved radius = • 8.0m (6.45 iron +1.55m services) • Free space between dressed barrel & pit walls= • 2.0m • PACMAN radius= • 3.0m

  4. SiD closed, on beamline, in 20m x 28m 8.105 m

  5. SiD open, on beamline, in 20m x 28m 2.775 m 3.120 m 3.00 m 1.905 m 3.20 m 6.45 m 0.55 m 3.00 m

  6. SiD in 48m x 28m IR, anamorphic scales 3.00 m 5.00 m Barrel Yokerotated 6.45 m 4.00 m HCALrotated 6.45 m 5.00 m

  7. SiD in 48m x 28m IR, x-scale=y-scale

  8. Elevation View • Pit Elevation: 30m ? • 1.000 Barrel-floor • 12.90 Detector diameter • 12.90 Free space above detector • 3.000 Crane bridge and hook

  9. Remaining Issues • Presumably, 5.105m long final doublet support platform from door open position (8.895m) to pit wall (14.00m) which mates well with pacman • Many beamline devices including Crab Cavity within 14m of IP • Is a PACMAN solution viable given transverse size of these devices? • Suggest we minimize 1.9m free space at end when door open as well as 3.2m door support length • 8.1m long PacMan seems very long • 55cm clearance between door radius and pacman seems marginal

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