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Muon Chamber Assembly Progress and Installation Schedule Update

Detailed progress update on chamber building, magnet modifications, and installation plans for muon tracking project. Includes status reports, schedule details, and preparations for octant testing.

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Muon Chamber Assembly Progress and Installation Schedule Update

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  1. Muon Tracking Status • Mechanics • Chamber Building • Magnet Mods • Installation Plans • Schedule • FEE • Preparations for octant test • Recent FEE Review • Status of mechanical structures • Schedule

  2. Mechanics Status--Station 1 Doug Fields Nicki Bruner Bernd Bassalleck Benji Lewis R. Fraga D. Koehler Tim Thomas John Behrendt • All chambers completed (some time ago) • Expect to ship to BNL in May in preparation for installation • Mechanical support structures on order • Added tasks: • All testing of Cathode Preamp Chips • Design, prototyping, production of LV distribution system • Presentation for upcoming FEE safety review

  3. Mechanics Status--Station 2 Dave Lee Rusty Towell Walter Sondheim Myung-Shin Chung Val Armijo Benny Montoya Greg Hart Matt Shaw Chris Kuberg Ray Savino Bill Sandhoff Korea Univ. WooYoung Jang MinJung Kweon • All chambers completed • Still undergoing various performance, leak tests • Associated support structure under construction Christos Velissaris

  4. Mechanics Status--Station 3 Dave Lee Rusty Towell Walter Sondheim Greg Hart Matt Shaw Chris Kuberg Steve Pate Christos Velissaris Vassili Papavassiliou Gary Kyle Ray Savino Bill Sandhoff • Last assembly shipped from NMSU 5-Apr-00 • Expect last chamber to be complete next week • Still undergoing various performance, leak tests Korea WooYoung Jang MinJung Kweon

  5. Mechanics Status--Turning the muon magnet into Swiss Cheese • Mounting holes required at: • Station 1 teacup rib • Station 2 rib • Station 2, piston • Backplate • Reconfiguration of piston support fins • For: • Chamber mounting • FEE Mounting • Eyebrow mounting • Scaffolding • Expect holes, excluding scaffolding • and eyebrow to be complete this • week or next • Expect all drilling to be completed first or • second week of May • Fins completed

  6. Mechanics Status--Installation Plans • Integration Meeting to discuss installation and alignment plans • Installation scaffolding expected to be completed and shipped from NMSU May 1 • Lifting fixtures in process • Station 2 mounting fixture (“spider”) • being built • Installation Schedule: • Install spider 6/8 • Install St. 3 6/15 • Install St. 2 6/27 • Install St. 1 7/7 • Install Align. 7/13 • Trial fit Buss 7/20 • READY for FEE 7/26

  7. FEE--Octant Test Work September TAC recommended larger-scale test of FEE system before full production--ergo, we now have an “octant test” Dick Mischke Ming Liu Melynda Brooks Pat McGaughey Mike Leitch Maureen Cafferty Scott Robinson Glenn Thornton Manny Echave Jake Archuleta Bernie Archuleta Greg Hart LV Jack Fried Cal Pulse Andrew Hoover Greg Moran, Steve Pate

  8. FEE--Octant Test Work • St. 2 Production Chamber • 6 readout planes • 960 channels • 4 chassis, fully populated • 8 Control Boards • 16 Cathode Readout Cards • 12 channels of HV, dist. system • 10 channels of LV, dist. system

  9. FEE--Octant Test Work • Mechanical Structures: • Chassis and cross-rib assemblies delivered to BNL some time ago. Assembly mostly complete, by Andrew, some plumbing still needs to be received. • Board Status: • First control board (3rd round) received (LANL) and checked out o.k.; Full order placed. • First Readout Card (3rd round) expected this week; full order will follow • Noise specs already achieved on large fraction of the channels; this latest version should have layout fixes required to meet specs on all channels • Backplanes expected 17-April • HV • Initial hookup complete • Will switch to latest version of distribution system over the next couple of weeks • LV • Distribution system design completed by LANL/UNM • First production board expected this month, also real LV supplies • DAQ • Hookup to GTM, DCM, associated software completed by Ming, Jamie, Mickey • ARCNet: • Preamp, AMU/ADC, FPGA downloads available (Andrew). Also, board monitoring (T, I, V) • Calibration System • Already had gone through few rounds (Pat and Mike); final or nearly final system expected available for octant test

  10. FEE--Other Work • Ancillary Systems: • Full review of system completed by Steve Pate, Andrew Hoover. Orders of necessary VME modules begun • Mechanics (AMC @ NMSU, Jake and Bernie @ LANL) • In-magnet mechanical structures to nearly complete • Eyebrow (platform for racks) completed • UNM: Preamp testing nearly complete, LV distribution sent out, much • work for FEE safety review completed by Nicki • FPGA: Download via ARCNet worked on by Andrew, full production • FPGA code worked on by Jack Fried • Rack Layout completed, cable layout begun (Jan B.)

  11. FEE--Schedule • Order full set of production parts O.K. given 5-April following FEE review • Octant test complete mid-May • Order production boards May-Aug. (may be shorter) • Install Mech. Support Structure Aug. 2 • Install Platform and Racks Aug. 9 • Test boards Aug • Assemble chassis, CRAs Aug-Nov • Install chassis, CRAs Aug-Nov • FEE Installation complete Nov. 10 • Activities to follow FEE Installation: • Roll-in • Connections to counting house, plumbing, etc. • Replacement of beam pipe • Installation of “collar” • Installation of Magnet Buss • Central arm work

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