Decision Criteria and Risks

Performance

Timing - Redundant station efficiency within 20ns > 99%

Rate => overall Muon System efficiency > 95%

Cross Talk - B-›?X eff. deterioration < 2%

Noise

Chambers

Ageing - Limit: less then 1C/cm for global ageing

Stability and Uniformity - Qualitative statement on reliability

Chamber Simulation

Chamber types

Number of chambers

Power dissipation

Maintenance

Flexibility of System - Adaptation to unexpected modifications

FE-Electronics

FE-chip performance - sensitivity, time prop., radiation hardness

Number of physical channels - Cost

Development of appropriate chip - time scale

Accommodation in FE-architecture

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