Silicon Detector Parameters for the MVD
Silicon Strips
- outer layer - 53 mm x 74.5 mm, 0.2 mm pitch
kapton routers - 63, 90, 174 mm
single channel capacitance - 6 to 10 pF
- inner layer - 53 mm x 52 mm, 0.2 mm pitch
kapton routers - 88, 140, 191 mm
single channel capacitance - 6 to 12 pF
Silicon Pads
- innermost radius - 2 x 2 mm
longest readout trace - 85 mm
single channel capacitance - 5 pF
- outermost radius - 4.5 x 4.5 mm
longest readout trace - 16 mm
single channel capacitance - 12 pF
Output Charge
- follows a broad Landau distribution for single
MIP
most probable value - 4 fC
Other Characteristics
- detectors are ac-coupled
polysilicon biased ( 10 M-ohm typical )
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