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Published byBaldwin O’Neal’ Modified over 9 years ago
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Status Update 01-17-2006 Stony Brook Crew
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Progress on Glove Box None to report. Bids still out. Have enough $$$ for big one. Expect no surprises.
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Weekly Shots Concern about becoming complacent about our skills. Need continual practice to: –Learn all steps. –Better triage for worst immediate needs. –Have whole team practiced on all steps. –More data on QE reproducibility. New paradigm: –Weekly shot of apparatus onto GEM in hand (one at a time). –Each week more ambitious in replicating full plans.
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Week One Shot Goals Use final hold down plate (done). Assembly on Laminar table (new filters, ready). Use Lid-on insertion of Evap box –As opposed to held open above your head. –No longer extreme contaminant risk. Pump down to water drop. Local QE (as is) 3 chicklets
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Additional Progress in Prep for Shot 1 High Vacuum Storage Vessel Pumped Down –Spring-loaded valves cut off rough pump in case of powerdown (failsafe). –170 l/s turbo runs smoothly. –First Pumped Friday (empty can). –2 x 10 -5 torr (good, not great). –Plan to He leak chase to be sure of all seals being tight. –Only put in precious content when system established good few at least a few days.
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Week Two shot Goals (original) Initially: –Handle in old Glovebox. –Insert into WIS box. –Gain Test. Lag in feedthroughs –Initially 9 weeks. –New company…2 weeks. –Can still be proper goal for shot3. –Need new goals for Shot2
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Week Two Shot Goals (revised) Lift table insertion. –Needs extreme cleaning before tent. –Needs bagging where cleaning won’t take. Fully realized railroad: –Rails on lift table. –Rails on transfer table. –Rails in INFN box. Practice handling through gloves: –Into test box (no feeds). –Out of test box –On to Vacuum storage.
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