Current detector configuration june 6 2000
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Current Detector Configuration June 6, 2000. Solenoid, Central Preshower installed in central bore A-layer MDTs installed on inner faces of end irons Central muon system installed, being commissioned South end calorimeter, end irons on sidewalk

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Current detector configuration june 6 2000
Current Detector ConfigurationJune 6, 2000

  • Solenoid, Central Preshower installed in central bore

  • A-layer MDTs installed on inner faces of end irons

  • Central muon system installed, being commissioned

  • South end calorimeter, end irons on sidewalk

  • North and south trusses in Hi Bay, being prepped for move to sidewalk

  • Central iron, north calorimeter in open positions to allow access

  • Shield wall up


Current detector configuration june 6 20001
Current Detector ConfigurationJune 6, 2000

  • South end calorimeter, end irons on sidewalk

  • A-layer MDTs installed on faces of end irons

  • Commissioning Level 1 trigger, muon system, online, silicon front-end, solenoid


Install fiber tracker in solenoid june 16 29 2000
Install Fiber Tracker in SolenoidJune 16-29, 2000

  • Fiber Tracker being installed in central bore

  • North A-layer pixel sheet mounted on shield wall

  • Commissioning of DAQ, online, central muon system, etc. continues


Move platform west pick up end irons july 11 28 2000
Move Platform West, Pick Up End IronsJuly 11-28, 2000

  • Fiber Tracker installed, south end calorimeter back in place on platform

  • Platform moves west to pick up two end irons

  • Detector buttoned up for move

  • Commissioning interrupted until platform returns east (services disconnected)


Move platform west pick up end irons july 11 28 20001
Move Platform West, Pick Up End IronsJuly 11-28, 2000

  • Platform moves west to pick up two end irons

  • Movable Counting House moves with detector during pick up

  • Assembled north A-layer pixel plane remains on shield wall


North south trusses move to sidewalk july 31 august 25 2000
North & South Trusses Move to SidewalkJuly 31 – August 25, 2000

  • Platform returns to east position with end irons installed

  • North & south trusses, shielding brought down to sidewalks from Hi Bay, assembled

  • Detector remains buttoned up until trusses are down

  • Cabling of Fiber Tracker begins after south truss is in place

  • Platform services reconnected, commissioning resumes


North south trusses move to sidewalk july 31 august 25 20001
North & South Trusses Move to SidewalkJuly 31 – August 25, 2000

  • Platform returns to east position with end irons installed

  • North & south trusses brought down to sidewalks

  • South calorimeter, end iron opens to allow cabling of Fiber Tracker

  • A-layer north pixel sheet mounted on shield wall, awaits installation


A c layer pixels mdts installed november 10 2000
A- & C-layer Pixels & MDTs InstalledNovember 10, 2000

  • A- and C-layer detectors mounted

  • SMT-S installed, hooked up – SMT-N being installed

  • Trusses ready to install in Collision Hall

  • South calorimeter, end irons open to allow access to inter-cryostat region

  • Commissioning of CFT, SMT, Forward and Central Muon, attendant readout


Trusses installed in collision hall nov 20 dec 11 2000
Trusses Installed in Collision HallNov 20 – Dec 11, 2000

  • North & south ends of shield wall removed, blocks stacked in Hi Bay

  • Loaded trusses rolled into Collision Hall, surveyed

  • Platform remains in Assembly Hall, rolled in after trusses in place

  • Commissioning of detectors on platform continues


Trusses installed in collision hall nov 20 dec 11 20001
Trusses Installed in Collision HallNov 20 – Dec 11, 2000

  • Mounting of B-layer MDTs on outer faces of end irons near completion

  • North B-layer pixel plane assembled on shield wall

  • End cryostats/irons open as logistics allow

  • Cosmic ray commissioning & triggering using SMT, CFT, and muon


Detector rolled in and hooked up february 16 2001
Detector Rolled in and Hooked UpFebruary 16, 2001

  • Platform rolled in to meet trusses

  • Full detector in final closed position: hooked up, ready for beam

  • Shield wall back up

  • Movable Counting House travels with detector, cable bridge down

  • Commissioning with cosmic rays continues until beam is delivered (March 1, 2001)


Access to detector in collision hall
Access to Detector in Collision Hall

Closed Position - Data-Taking

Open Position - Detector Access

North B-layer pixels open

North end iron closed

South calorimeter open

South end iron open

Shielding retracted


Forward muon b layer installation may 2000
Forward Muon B-Layer InstallationMay, 2000

  • End irons moved toward center of Assembly Pit to allow access for B-layer installation/surveying

  • Commissioning continues


D0 commissioning timeline commissioning integration goals

No LHe

LAr

#9

#4

#5

#1

#2

#6

#7

#3

#8

#10

#11

D0 Commissioning Timeline Commissioning/Integration Goals

2000 2001 J F M A M J J A S O N D J F M

D

Forward muon C-layer MDTs/pixels installed/commissioned

Half of CFT, CPS hooked up, checked out

Silicon front-end installed/commissioned

Roll in

Beam-ready

Forward muon A&B layer MDTs/pixels installed/commissioned

DAQ/online system running in user mode

Run II begins: Mar 1, 2001

SMT, CAL fully added to commissioning chain, exercise full triggering with all major systems

Integration Goal #1:

dual muon crates, initial muon triggering/filtering, ship data to farm, run reconstruction, online event display

Integration Goal #2:

Initial triggering on L1 CFT/CPS, begin linking tracks in CFT/CPS/CMuon, begin Level 2 trigger integration

Integration Goal #4:

Full detector in steady-state Cosmic Ray Commissioning

Integration Goal #3:

Add Central Calorimeter to commissioning stream, most major systems being commissioned

Begin full central muon system, integrate Level 2 muon trigger at DAB test stand


Trusses assembled on north south sidewalks july 21 august 25 2000
Trusses Assembled on North & South SidewalksJuly 21 – August 25, 2000

  • Detector returns to east position with end irons installed

  • Trusses brought down from Hi Bay to sidewalks

  • Central irons, calorimeters remain closed for movement of trusses

  • Hookup of Fiber Tracker begins after south truss is in position

  • Commissioning resumes, begin integration of CFT


Current detector configuration phase i
Current Detector ConfigurationPhase I

  • A-layer MDTs, Pixels being mounted, surveyed onto faces of end irons

  • C-layer truss and shielding has arrived in Hi-Bay, being dressed

  • Remainder of detector remains open for access


Current detector configuration
Current Detector Configuration

  • Commissioning continues, using Central Muon as prototype system:

    • Multi-crate readout of full central muon system

    • Event monitoring, crate control, steady DAQ running, filtering

    • Exercise reconstruction, online event display (on cosmic ray muons)


Forward muon b layer installation may june 2000
Forward Muon B-Layer InstallationMay-June, 2000

  • A-layer planes installed

  • B-layer MDTs, Pixels being mounted, surveyed onto faces of end irons

  • C-layer trusses and shielding continue to be dressed in Hi-Bay


Install fiber tracker in solenoid may 2000
Install Fiber Tracker in SolenoidMay, 2000

  • Fiber Tracker + Cart/I-Beam system lowered into gap between South End Calorimeter and Central Calorimeter

  • Rolled into solenoid bore along I-Beam

Cart System

Fiber Tracker


Emcs installed in collision hall december 11 2000 january 11 2001
EMCs Installed in Collision HallDecember 11, 2000 - January 11, 2001

  • Shield wall is broken down, moved to now free space in Hi-Bay

  • North and South C-layer trusses/shields, having been assembled on sidewalk, rolled into Collision Hall - surveyed into place

  • Detector will be rolled into place to meet trusses


Emcs installed in collision hall
EMCs Installed in Collision Hall

  • Full Cosmic Ray Commissioning of all systems continues during most of this period

  • End irons, calorimeters can be opened for access


Detector rolled in hooked up phase iii
Detector Rolled In, Hooked UpPhase III

  • Detector installed in compact space

  • Access to internal tracking detectors, end muon detector planes must be carefully coordinated


South emc truss moves to south sidewalk november 29 december 5 1999
South EMC Truss Moves to South SidewalkNovember 29- December 5, 1999

  • South C-layer truss moves to south sidewalk

  • EMCs, shielding re-assembled on sidewalk to prepare for rolling in


South emc truss moves to south sidewalk november 29 december 5 19991
South EMC Truss Moves to South SidewalkNovember 29- December 5, 1999

  • South C-layer truss moves to south sidewalk in two pieces, reassembled

  • Preparing to take down shield wall for roll in


The d upgrade tracking system
The DØ Upgrade Tracking System

Charged Particle

Momentum Resolution

pT/pT ~ 5% @ pT = 10 GeV/c