IDT Meeting Welcome

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IDT MeetingWelcome

• Brent Fultz
• California Institute of Technology

Broad-brush overview of Hardware, Software,
Management
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ARCS Instrument Concept
Image from Robb Williams March, 2002
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(No Transcript)
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Project Issues

• Written response by Dec. 1 to DOE Baseline Review
  of March 2002.
• Management
• Big Issue Develop a Project Execution Plan
• Other Issue Role of IDT
• Issues under Control MOA, Reporting Requirements
• Technical
• Shielding, in-vacuum detectors
• Sample manipulation
• today single crystal manipulation (later
  sample changer)
• Other Issues Choppers, optics, poisoning depth
• Software Plan
• today web service

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Big Hardware Issue 1 Instrument Shielding

• Progress
• Shared and ARCS shielding calculations
  performed for RTBT wall, beamstop, sample
• Unpleasant Facts
• Dosage to human in figure
• 10 - 100 rem/hour
• Beamstop
• 4 meters in length, 2 m dia.
• Ideas
• Sample hutch?
• Beamstop restrictions on SEQUOIA?
• SEQUOIA Fermi chopper placement?

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Big Hardware Issue 2 Detector Tubes in Vacuum

• Concept
• 8 Detectors per Module
• Neutron Shielding
• Read out card (ROC) mounting
• Status
• Preliminary tests good
• Vacuum system in place at ANL
• Problem
• We need to do try some cycling outgassing, etc.
• No prototype electronics yet ! (delays critical
  decision on vacuum operation)

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Development of Software Plan

• No plan yet -- expected Jan. 2003
• User survey was quite successful -- Thanks.
• To make the plan, we have to
• Select computing model
• Define the scope of the project
• Get experience in estimating effort

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Project Execution Plan

• Not a project plan -- Doug will show the ARCS
  project plan.
• A Project Execution Plan gives principles for the
  
• Who, What, Why, When and How
• for how the project will get done.
• We need IDT input on some topics, especially
• Role of IDT in project
• Change control procedures
• Milestones

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Agenda

• Preliminary design review of goniometer concepts
  for single crystal manipulation
• 845 AM Brent Fultz -- Introduction
• 900 AM Robert Chave -- Concept for insertion
  stage
• 945 AM Robb Williams -- Concept for instrument
  stage
• 1030 Break
• 11 AM Discussion
• 12 Lunch at Lujan Center (hosted)
• ARCS IDT meeting to settle some issues before the
  EFAC review on Oct. 9.
• 100 PM Doug Abernathy - project plan
• 120 PM Brent Fultz - project execution
  plan/management issues
• 140 PM Doug Abernathy - hardware
  progress/comments on MERLIN
• 210 PM Brent Fultz - software progress
• 240 PM Break // Tour of Pharos
• 330 PM General Discussion
• 5 PM Adjourn
• 7 PM Dinner at El Paragua in Espanola (Tim Kelley
  will explain)