DVCS-2Mechanical Design Status

Charles Hyde

Guy Reinmuth

LPC Clermont

Hall A DVCSCollaboration Meeting15-16 December 2008Monastir, Tunisia

3D overview

Data Acquisition Position

XY-Table

DVCS Stand

75cm

Calorimeter: Plan View

Elastic Calibration: Target to Calo = 5.6 m

No double cantilever

Full Extension: Target to Calo = 6.24 m

Double cantilever

Cable Passage, Light Isolation

Removable floor-plates

75 cm

HV, LV, DC: Flat ribbon cables to main patchSignal: RG58

E00-110 Calorimeter Cabling

E00-110 Patch Panel

XY-Table in LED Calibration Position, 3m

• Black Box and XY-Table move separately Requires crane XY-Table cable

XY-Table, Detail

New XY arms for 39x48 cm2 motion.

XY-Table in LED Calibration Position

• Black Box and XY-Table move separately Requires crane XY-Table cable

Blue Light

Blue Light, with Ballasts

Calo Blocks

• Add another square annulus to secure PMT base.

SICCAS

ATLAS and “MOD” R7877 PMTs

• Same pinout?

• Different shape.

• 100 PMT on order

E00-110 General View

E00-110 General View / Patch Panel