UPGRADE

1
UPGRADE
New Systems

• Fiber Tracker
• 2T Super conducting Solenoid
• Central Preshower
• Intercryostat Detector

• Luminosity Monitor
• Forward Preshower
• Silicon Tracker

• Calorimeter Electronics
• 3 Level Trigger DAQ
• Online System
• Offline Computing

• Shielding
• Central Muon Scintillators
• Forward Muon Tracking
• Forward Muon Trigger Pixels

2
Upgrade Status

• Silicon
• 800k ch barrels disks, SVXII readout
• Detector production well along
• Detector assembly starting
• Fiber
• 80k fibers w/ VLPC readout on 8 cylinders
• Produced first cylinder with ribbons
• Solenoid
• 2T superconducting
• Installed and tested
• Preshowers
• Scintillator extrusions, WLS, VLPC
• Central complete installed
• Forward in production

Double sided Si disk wedge
Si Barrel bulkhead w/ ladders flex cable
Si barrel ladder
Fiber cylinder w/ ribbons
8ch VLPC readout chip
Forward Preshower Module
Solenoid with central preshower being intalled
3
Upgrade Status

• Calorimeter Electronics ICD
• 60k ch preamp shaper, scint tiles for ICD
• Production started
• Muon System
• Central scint tiles installed
• Forward scint pixels fabricated, modules being
  assembled
• Forward mini-drift tube fabrication well along,
  module assembly begun
• Trigger DAQ
• 3 level trigger
• Production in many systems
• Online
• First systems purchased, central muon readout
• Software being written

Central Muon Scintllator tiles Installed in D0
Forward Muon tracking system mini drift
tube octant
Forward Muon Trigger detector Scintillator
pixel w/ PMT readout
4
Schedule Milestones

• Solenoid CPS installed 9/98
• Muon central installed 6/99
• Fiber Tracker assembly complete 3/00
• VLPC cassette assembly complete 8/00
• Calorimeter electronics fabricated 8/00
• Muon Forward tigger pixels installed 8/00
• Muon Forward tracking MDT planes installed 8/00
• Silicon Tracker assembly complete 9/00
• Remove shield wall for roll in 11/00
• Rolled in and hooked up 2/01