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FEE2006 Perugia May 2006

Philippe Farthouat, CERN

Possible BCO modification

BCOs considered

10, 12.5,15, 25 and 75 ns

Muon system

Muon drift tubes (MDT): performance OK at these rates

Cathode strip chambers (CSC): assessment needed

Resistive plate chambers (RPC): performance OK at these rates

Thin gap chambers (TGC): collection time too long for <25 ns no good bunch ID

Calorimetry

LAr: in case of BCO other than 25 ns need for modification of back-end electronics

Trigger/DAQ

LVL1 need to be changed

12.5 ns will require significant modification on electronics

15 ns requires significant additional amount of work and costs for electronics modification (FE), but possible

10 ns in addition we (might) get problems with the intrinsic resolutions for part of the muon system

Need for decision on BCO for SLHC (impact on electronics)

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