D0 reporting structure

1
Management,Technical Schedule Overview
H.Weerts
Introduction/overview since last
review management organization responses to
Nov 99 review short schedule Technical status
of detector in numbers graphical form Summary
2
(No Transcript)
3
Introduction/overview
A lot of changes since the last review

• Upgrade organization and management
• Show slide
• Dec 2000 Installation Commiss. Review

Start developing installation commiss.
Schedule, many branch points
Converged on final version
Go from rigid ? flexibility Split SMT support
cylinder
with contingency

• Fallback option document in January 2000
• Reevaluation of cost estimate Feb 2000

Reviewed March change requested submitted and
approved ( Tuts)

• Contingency fallback/descoping schedule plan,
  March 2000 ( Womersley)
• Have a well understood installation schedule from
  now to March 2001 (Kotcher)
• Updating schedule bi-weekly

4
Introduction/overview
Brief summary of responses to Nov 1999 review
Recommendations
DØ Response
Silicon add manpower, develop contingency in
installation Fiber tracker looser tolerances,
add people Develop Fallback plan by May 1, 2000
to ensure ready for beam 3/1/01
More physicists 2 positions at FNAL split
support cylinder ? several months contingency for
silicon Added people, fiber tracker
completed Done, present today
Nov 99
current review
schedule Completion date
Feb-2-2001 Feb-16-2001
(Ready for beam)
5
Milestones.summary
Milestones in current schedule vs. baseline
schedule
Excluded at 100 confidence
Other milestones
Reportable milestones
Pressure is building in time. Use flexibility and
contingency in installation Time contingency
decreasing It costs in
Still ready for March 2001
6
Overview of D0 detector for Run II
7
Status
Overview of detector
Detail Subsystem Status
yes Silicon production
yes Fiber tracker mech. complete
Solenoid working
Central Preshower installed
Forward Preshower installed
Intercryostat detector installed
Luminosity monitor installed
Calorimeter electronics production
Muon Central commissioning
Muon Forward production
Trigger DAQ production use
Online in use
yes Installation in progress
yes Commissioning in progress
Computing commissioning
8
Tracking System Overview
0.5 m
1.3 m
All detectors in this volume use SVX II readout
9
Silicon Microstrip Tracker (SMT) overview
F Disks 12 p-side 15o n-side -15o
Barrels 6 Barrel 1 and 6 layer 1,2,5,6
p-side 0o (SS) Barrels 2, 5 layer
1,2,5,6 p-side 0o n-side 90o layer
3,4,7,8 p-side 0o n-side 2o
H Disks 4 p-side 7.5o (SS)
10
Silicon Status
In production on ALL aspects
More from Demarteau
Issues
Delivery of sensors from Micron
Concerns
Keep production going (capacity gt need)
Complete by
SMT-south Aug. 10, 2000 SMT-north Oct 27, 2000
No problem Not without uncertainties
11
Fiber Tracker Overview

• Scint Fibers
• 830mm Æ, multiclad
• 1.6-2.5m active length
• 10m clear waveguide to photodetector
• rad hard (100 krad) (10yr _at_ 20cm
  _at_1032)
• Fiber Ribbons
• 8 axial doublets
• 8 stereo doublets (3o pitch)
• Readout
• 77,000 channels
• VLPC readout
• run at low temp (9 oK)
• fast pickoff for trigger
• SVXII readout

12
Fiber tracker status
Details from Bross
Mechanical Assembly completed May-26-2000
Issues
Waveguide production going, but not complete VLPC
cassette production going well, later then we like
Waveguide installation unknown (not started yet)
13
Forward Preshower Status
FPS South North installed Project
on-schedule, no items on critical path.
Waveguides still have to be produced,
installation in late Fall
14
Silicon Fiber tracker Electronics
SMT only
Tracking readout path well along
SMT Interface card lagging, but not real problem
..
15
Fiber Tracker Electronics
Includes parts of the Level 1 tracking trigger
trigger
Determines performance of tracker at trigger
level.
Measured noise levels now low enough ? into
production
Some parts later than we like, but have to keep
performance in mind not critical for March 1
(yet)
16
Solenoid Field Mapper in Bore of Central
Calorimeter
Central Preshower installed on solenoid

• Precision mapping of field Summer 1999
• Calibration of permanent NMR probes May 2000

17
Calorimeter Electronics Status

• Replace 60k channels of preamp, SCA, shaper,
  calibration, and power supplies

Preamps done June 14, 2000 BLS completed
tested Dec 26, 2001 Last calorimeter ready
(ECN) Feb 5, 2001
Later than we like it
Not critical path item for roll in
18
Inter Cryostat Detector (ICD)
Mechanically built at UT Arlington electronics
at Louisiana Tech
North South ICD installed Waveguides ( Fiber
ribbons) in production
19
Muon Detector Upgrade
Central Trigger Scint (A-f )
PDTs
Forward Trigger Scint (Pixels)
Shielding
Forward Tracker (MDTs)
Bottom B/C Scint
20
Muon detector status
counters in system
Central
630
Forward
4608
6500
Central muon complete driving commissioning

• All counters FNAL
• Assembly into octants
• pixel octants production done
• MDT octant going well
• Mounting on detector BIG objects

Forward muon
concern
Schedule Nov 99 Current
Pixels octants assembled Apr 4, 00 Feb 23, 00
MDT octants assembled July 14, 00 Sept 1, 00
Pixel octants installed Aug 25, 00 Jan 1, 01
MDT octants installed Aug 4, 00 Nov 30, 00
21
Muon forward system status
Detectors ( pixels, MDTs central A-F)
constructed by Russian collaborators
Assembly into large detector planes at FNAL Lab F
Scintillators built _at_ IHEP/Protvino all
delivered assembly into octants done
DONE
MDTs built _at_ JINR, Dubna A, C _at_FNAL Assembly
started
Installation is highest priority sequence is
A,C, B determined by priorities and fallback
options
22
Muon electronics
On schedule. Some of earlier delays resulted in
less time for commissioning
23
Trigger Overview
For L2x1032cm-2 s-1 ( Bunch Crossings at
132 ns Deadtime lt 5 ) 7 MHz input
rate Data
Framework
L2 100ms
L1 4.2 ms
Data Log
L3 48 ms
50 Hz
7 kHz
1000 Hz
128 terms
128 terms
48 nodes
24
Detector/L1/L2 Components
25
Trigger Status
Pieces of nearly every component installed
used
Many institutions complicated system, dependent
on young physicists with non-permanent positions.
Not a critical path item for detector roll-in
26
Online status

• Already used in commissioning of detector.
• Critical pieces are in use
• Controls
• DAQ Event Monitoring

27
Installation
Installation sequence for many years driven by
Run I experience move large pieces in very
tight space.
More from Kotcher
Since Dec 99 review for fallback
options effort on developing contingency/slack
Installation sequence now radically different and
optimized for remaining time
Result

1. Change installation sequence ? two months of
   contingency for SMT delivery ( but squeeze ECS)
2. SMT deliver as north south half, add one more
   month of contingency (no squeeze on ECS)
3. Fallback plans in place

Installation is driving all upgrade efforts. A
lot of effort in hall parts/detectors arriving
commissioning effort.
28
Summary
None of these

• Progress in D0 Upgrade over last year very good,
  we are converging

• Detector production lines are working or
  winding down (has been really RD all the way)

• Monitoring/updating schedule since September 99
  alleviate bottlenecks as they occur.

• Fallback/Schedule Contingency exercise was very
  useful

• Created 2-3 months of contingency/slack, but are
  also using it to keep the March 2001 completion
  date

• Definitely have moved into installation phase.

Projection
D0 will be ready in mid February 2001 for the
start of Run II.
Feb 16, 2001
No time to explicitly mention all the successes
progress, detectors/parts completed, electronics
in hand tested.
29
Last year
Financial status of Run II detector project
At November 1999 D0E-Lehman review indicated that
contingency was uncomfortably low.

• Identified a projected shortfall in February
• Presented to Fermilab
• Intensive cost review ( 20 reviewers) in March
• Review agreed with our assessment, increase
  contingency
• Fermilab agrees with DØ
• Change request has been sent to DoE

• Forward funding capability for gt 1.8M