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Diamond detectors: a few facts, test beams and summer plans

Diamond detectors: a few facts, test beams and summer plans. Marina Artuso. Nomenclature. Top/substrate/big Bottom/growth/small. Comparison between tests @ OSU and SU. Note: –HV data should be closer to the data at OSU Note: effect of pumping?

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Diamond detectors: a few facts, test beams and summer plans

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  1. Diamond detectors: a few facts, test beams and summer plans Marina Artuso Marina Artuso SU Velo Meeting

  2. Nomenclature Top/substrate/big Bottom/growth/small Marina Artuso SU Velo Meeting

  3. Comparison between tests @ OSU and SU Marina Artuso SU Velo Meeting

  4. Note: –HV data should be closer to the data at OSU Note: effect of pumping? Note: more powerful source used at OSU + collimation Marina Artuso SU Velo Meeting

  5. Study of charge collection properties The “grazing angle technique” developed to study the field/charge collection properties of heavily irradiated silicon can shed light on the charge collection/field distribution inside the diamond. An angle of 13° corresponds to 64 strips being illuminated. We can get the whole 128 strips in 2 attempts. Efficiency issue: active area 0.3X1.4 cm^2 (1/2 of normal incidence with 128 strips). Marina Artuso SU Velo Meeting

  6. Towards the next test beam • We need to understand reason why plate 3 does not hold 1000 HV. • We need to understand properties of plate 5, could be the best candidate for next strip deposition (with SU mask) • Calculate time requirements for the normal incidence/grazing angle data to time order and prioritize Marina Artuso SU Velo Meeting

  7. Towards the next test beam: THE WISH LIST • Complete characterization of plate 3 at normal incidence, at 500, 1000 V, both polarities. • Orient sensor at 15° with respect beam axis Marina Artuso SU Velo Meeting

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