Status of the FMD Outer ring Inner ring

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Status of the FMD Outer ring Inner ring FMD 1 FMD 2 FMD 3

Status of the FMD Outer ring Inner ring FMD 1 FMD 2 FMD 3 Børge Svane Nielsen Niels Bohr Institute Technical Forum, 8 March 2007 Børge Svane Nielsen, NBI 1

Test beam results 680 Me. V e- beam test at ASTRID ring, Aarhus University,

Test beam results 680 Me. V e- beam test at ASTRID ring, Aarhus University, DK e- beam 5 FMD modules (5120 channels) Technical Forum, 8 March 2007 Børge Svane Nielsen, NBI 2

FMD 3 cone FMD 3 support cone also supports the beam pipe by 4

FMD 3 cone FMD 3 support cone also supports the beam pipe by 4 tensioned wires Test with final cone and wire mechanism shows <10 um deformations. Technical Forum, 8 March 2007 Mock-up beam pipe support ring. Børge Svane Nielsen, NBI 3

Digitizer cards and RCU bus cables Digitizer cards on detector based on TPC FEC

Digitizer cards and RCU bus cables Digitizer cards on detector based on TPC FEC design, (designed at NBI) 3 ALTROs + Board Contr. 2 versions (inner, outer) 3 m bus cable to RCU gave many problems, until we changed from 40+50 ‘standard’ ALTRO bus to 50+80 twisted pair cables. 40 bit signal + 10 grounds Technical Forum, 8 March 2007 adaptor Børge Svane Nielsen, NBI 40 bit signal + 40 grounds 4

Test after assembly Test of noise (pedestal width) for half inner ring (5 modules,

Test after assembly Test of noise (pedestal width) for half inner ring (5 modules, 5120 strips) after final assembly Pattern understood from strip and printed circuit lengths All S/N above 20 Technical Forum, 8 March 2007 Børge Svane Nielsen, NBI 5

FMD 2 support Mounting flap IP Honeycomb detector mounting plates FMD support is a

FMD 2 support Mounting flap IP Honeycomb detector mounting plates FMD support is a relatively simple carbon fibre sandwich structure cylinder. Technical Forum, 8 March 2007 Børge Svane Nielsen, NBI 6

Assembly of FMD 3 Technical Forum, 8 March 2007 Børge Svane Nielsen, NBI 7

Assembly of FMD 3 Technical Forum, 8 March 2007 Børge Svane Nielsen, NBI 7

Completed FMD 3 Both halves of FMD 3 were completed last week Technical Forum,

Completed FMD 3 Both halves of FMD 3 were completed last week Technical Forum, 8 March 2007 Børge Svane Nielsen, NBI 8

… and then FMD 2 Both halves of FMD 2 to be/were completed this

… and then FMD 2 Both halves of FMD 2 to be/were completed this morning Technical Forum, 8 March 2007 Børge Svane Nielsen, NBI 9

Conclusions Ø FMD 3 and FMD 2 detectors ready to ship tomorrow Ø Very

Conclusions Ø FMD 3 and FMD 2 detectors ready to ship tomorrow Ø Very small rate of single strip failures (<<0. 1%) Ø Signal/noise well above TDR value Ø Commissioning with final power supplies, DAQ, DCS and Trigger starting next Monday at Point 2. Ø Installation mid-April (FMD 3) and early May (FMD 2) ½ FMD 3 ½ FMD 2 (without detectors) Technical Forum, 8 March 2007 Børge Svane Nielsen, NBI 10

… at CERN Ongoing: cabling of FMD 3 Arrival of detector at P 2:

… at CERN Ongoing: cabling of FMD 3 Arrival of detector at P 2: Saturday Starting next week: commissioning in TPC clean room at P 2 - CAEN HV available - CAEN LV should arrive next week - temporary cooling system Installation April 23 rd (FMD 3) - need to work out access - area should be cleaned Technical Forum, 8 March 2007 Børge Svane Nielsen, NBI 11

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