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PHENIX Aerogel Integration: Assembly and Integration Review

This document reviews the assembly and integration of the PHENIX Aerogel system, including the construction readiness of the aerogel counters and the building of arrays. It also covers logistics, integration in PHENIX racks, and goals for installation.

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PHENIX Aerogel Integration: Assembly and Integration Review

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  1. 7/28/03 Extended Pid in PHENIX (assembly and integration) CDR review 07/28/2003, presented by E.Kistenev

  2. Retaining PHENIX edge at High PT • (1) coverage 4 m2; • (2) cell size 11x22 cm2; • (3) geometry 10 x 16 cells. TOF Aerogel Needs ToF backing to deliver on promises

  3. Construction readiness

  4. Aerogel Counters • build laminate container; • load aerogel into container; • assemble lid (pc board + lid itself); • install PMT’s, LED, gas connectors and solder all internal leads; • test assembled lid in the black box. • install side bars onto the counter box; • load container container; • install lid; • test assembled counter for light leaks. Repair leaks …..

  5. Building Arrays • A-frame • array skeleton;

  6. Live support • Cabling: • trays; • preamp boxes; • HV&signal cables; • Gas connections: • manifold; • distribution lines; • System test: • purge; • raise HV; • trigger LED’s; • test for the signals on preamp input/output using scope, check for the light leaks;

  7. Logistics Job coordinator/chief tech in the Assembly Area: Mike Lenz

  8. Integration in PHENIX Racks: Symmetrical configuration North&South; Narrow racks are sufficient to run Aerogel component; LV crate HV crate Aerogel (RICH) FEM & Interconnects LED drivers Wide rack are for the ToF component & Trigger Gas: N2 is the boil-off from the LN2 tank. Heating is due to the long transfer lines (is winter is of concern, do we need to control gas temperature?). Flowmeter (limit ~ few x 100 lph) in the gas house, same for the filter.

  9. K- p+ u e+ D+ _ K+ D0 po p- g g Goals • September 19th • First Aerogel Array ready for Installation. • October 1st • North Aerogel Array installed; • North Aerogel Rack fully tested and installed (request from JH – FEM to 1008 now); • October 10th • North Aerogel Detector is in Big Partition.

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