From: Dave Gill <drgill@triumf.ca>
Date: Fri, 17 Apr 1998 13:50:58 -0700
To: e614meetings@phys.ualberta.ca
Subject: AGENDA
E614 Collaboration Meeting
April 24-25, 1998
TRIUMF Auditorium.
[] - session coordinator
() - presenter
Friday April 24, 1998
9:00 Welcome (Dave G.)
CHAMBERS. [Vladimir S./Pierre A.]
Meeting Prime GOAL: Finalize design and schedule.
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A. Results of Monte Carlo analysis [Dennis W.]
9:20 DME buffer zones - impacts chamber design (Dennis W.)
9:40 Field wires/no field wires - impacts chamber design
1. Monte carlo results (Dennis W.)
2. Comments (Vladimir S.)
3. Discussion *(decision after test results presented)
10:00 He gap sizes - impacts assembly design & total wire count.
1. The 464 proposal (Dennis W.)
Impact on number of chambers required.
2. Resolution in non-uniform B field. (Dennis W.)
3. Mechanical constraints. (Jan S.)
4. Discussion
10:25 COFFEE Break
10:40 Muon tracking - impacts assembly design
1. Summary of past results (Dennis W.)
2. Muon ID (SiLi or not) (Anuj P.)
3. Muon spin optimization (Anuj P.)
4. Mechanical constraints (Jan S.)
5. Discussion
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B. Results from chamber test [Maher Q.]
11:10 Data Analysis (Maher Q.)
Calibrations - Garfield vs data
Tracking - Wire mapping (plane 4 misalignment?)
Efficiencies - Impact on number of chambers required.
*Field wires/no field wires.
Discussion - decision REQUIRED
12:00 LUNCH Break
13:00 Comments on test stack noise problems. (Grant S.)
13:10 Comments on cross talk. (Vladimir S.)
13:20 Discussion
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C. Design considerations [Pierre A.]
13:30 Mechanical; - impacts chamber design
1. New G10 pieces (Pierre A.)
- Motherboard support (preamps),
DME containment,
He gas containment and
HV foil support.
- Impact on assembly procedure (Vladimir S.)
2. Lamel manufacture - multiple pieces. (Pierre A.)
3. Signal extraction (Pierre A.)
- to preamps and
- to TDC/ADC's
4. Discussion - decision(s) REQUIRED
15:00 COFFEE Break
16:00 Gas System; - impacts chamber design (Robert O.)
1. Required flow rates for DME and He.
2. Monitoring of Temperature and Pressure.
3. Recycling possibilities.
4. Discussion
16:40 Electronics; - impacts chamber design
1. VTX & KIAE = 1st choice. (John S.)
2. HV distribution and test pulse schemes (Pierre A.)
3. Wire count & multiplexing (VTX availability). (Vladimir S.)
4. Discussion - decision(s) REQUIRED
17:45 Review of the days decisions (Dave G.)
19:00 Dinner at Poutissou's
Saturday April 25, 1998
9:00 Review of yesterdays decisions (Dave G.)
***Anyone have second thoughts?***
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D. Schedules, milestones and future plans
9:30 Chambers. [Vladimir S.]
1. Construction program. (Vladimir S.)
2. Testing schedule (Pierre A.)
Foil tension, gas diffusion, gas separation,
Sources, cosmics and beam exposure.
3. Discussion
10:00 PC's - impacts assembly design
1. Central PCs (Vladimir S.)
Needed or not? Impact on target changing.
2. Outer PC's (Vladimir S.)
Number of wires/plane & multiplexing.
Time zero for muons & positrons?
3. Discussion
10:30 COFFEE Break
10:45 Spectrometer. [John M.]
1. Magnet shield; (John M.)
Cylinder vs box - advantages/disadvantages.
Chamber access - cantilevered vs tracks (Jan S.)
2. Magnet purchase status.
3. Alignment/Mounts (Peter K.)
Magnet in Shield
Spectrometer to beam.
Chambers in magnet
4. Discussion - team building.
11:15 Software management. [Renee P.]
1. Data Acq. & Slow Controls (Renee P.)
2. Circuit/Trigger (Jean-Michel P.)
3. Future plans for Analysis Software (Maher Q.)
12:00 LUNCH Break
13:00 Software management. (continued) [Renee P.]
4. Software management (Renee P.)
5. Discussion - team building.
13:30 Status of Monte Carlo Code [Dennis W.]
1. Setup on LIN01/plans for future machines (Renee P.)
2. Digitization (Dennis W.)
3. Discussion - team building.
14:00 The muon beam. [Nate R.]
1. Mu beam Monte Carlo status (Tune/Rate/Purity). (Nate R.)
pion(muon) production (Dennis W.)
2. Plan for beam tests (Dave G.)
May - M11 surface muons (Rate/Purity).
July - M11 surface muons & their polarization.
3. Discussion - team building.
14:45 Physics. [Dave G.]
1. First experiment?
Depolarization in helium - an experiment (Dennis W.)
2. Systematic studies required (Dave G.)
3. Discussion - team building.
15:30 COFFEE Break
15:45 Collaboration Business. (Dave G.)
Making decisions between collaboration meetings.
1. Hardware - (coordinator's responsibility)
2. New collaborators & students
(Spokesmen/Institutional coordinators.)
Commitments (Acceptable %'s)
3. Publications - conference papers.
4. Budgets.
5. Discussion - team building.
Date of next collaboration meeting.
AGENDA / Dave Gill
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