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Luminosity Monitor MWPCs, commissioning.

Luminosity Monitor MWPCs, commissioning. A.Kiselev OLYMPUS Collaboration Meeting DESY, Hamburg, 27.06.2011. Equipment status. First two chambers tested in DORIS test run in February Two more chambers checked in test beam 22 in May-June Last two chambers to be delivered to DESY on July,3 …

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Luminosity Monitor MWPCs, commissioning.

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  1. Luminosity Monitor MWPCs, commissioning. A.Kiselev OLYMPUS Collaboration Meeting DESY, Hamburg, 27.06.2011

  2. Equipment status • First two chambers tested in DORIS test run in February • Two more chambers checked in test beam 22 in May-June • Last two chambers to be delivered to DESY on July,3 … • … and tested in DORIS hall on July,4-5 • Survey and final mounting in experiment on July,6-7 • Missing CROS3 on-board electronics to be in HH on July,4  see extensive report to the April’2011 meeting  see short summary report to this meeting

  3. Equipment status, continued • Gas system will be finished next week • Low voltage: use Rome modules • High voltage: hope to use OLYMPUS spares • Patch panels, cabling, trays, etc: two coming weeks • Electronics hut installation: next week • CROS3 readout: tested in DORIS and test beam 22 runs • Integration in Bonn DAQ: completed in DORIS test run

  4. Test installation in OLYMPUS • MWPCs fit comfortable to the support rails • (Almost) no conflict with the drift chambers

  5. MWPC design (April’2011 slide) CROS3 readout for the final setup • require design modifications! • everything seems to fit together  will check in May  • with CROS3 have more freedom to vary Z-positions … • … but also there are more problems with the cables  fine tuning in progress

  6. Test installation in OLYMPUS • Comfortable clearance to the toroid coils • Yet space will become very busy after on-board electronics and cabling installation

  7. Summary • Test installation in OLYMPUS was successful • Most part of equipment is delivered to DESY and checked • Remaining part will be in HH in a week from now • Full installation will require one more week

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