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 … … 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 short summary report to this meeting

see extensive report to the April’2011 meeting

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

Test installation in OLYMPUS

MWPCs fit comfortable to the support rails (Almost) no conflict with the drift chambers

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

Test installation in OLYMPUS

Comfortable clearance to the toroid coilsYet space will become very busy after on-board electronics and cabling installation

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