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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

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

SiD Collaboration Meeting

16-17 December 2005

Fermilab

2005 10 11 discussion
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
detector access guesstimates
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
sid open on beamline in 20m x 28m
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

sid in 48m x 28m ir anamorphic scales
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

elevation view
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
remaining issues
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