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develop hardened CCDs develop CCD readout, with increased bandwidth develop very thin CCD layers (eg. stretched) investigate alternatives to CCDs resolve discrepancy in Higgs BR studies understand degradation of flavor tagging with real physics events compared to monojets (as seen in past studies) understand requirements for inner radius, and other parameters what impact on physics? what impact on collider if minimize inner radius? segmentation requirements (two track resolution) 500 GeV u,d,s jets pixel size

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