A possible new design

• 220 mm thick detectors

• inner / outer radius 8 / 45 mm,

• 1810 detectors, 2048 channels / detector = 16 chips

• minimum separation 29 mm, 24 stations ?200 000 channels

• r-detector: strip pitch varies with radius,minimum 25 mm, 8 inner phi sectors

• phi-detector: minimum strip pitch 18 mm, floating strips, stereo angles +22o inner, -10o outermaximum dent 2.6mm

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