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Comparative study of (111) and (100) crystals and capacitance measurements on Si strip detectors in CMS

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Il Nuovo Cimento A (1971-1996)

Summary

For the construction of the silicon microstrip detectors for the Tracker of the CMS experiment, two different substrate choices were investigated: A high-resistivity (6 k cm) substrate with (111) crystalorientation and a low-resistivity (2k cm) one with (100) crystalorientation. The interstrip and backplane capacitances were measured before and after the exposure to radiation in a range of strip pitches from 60 μm to 240 μm and for values of the width-over-pitch ratio between 0.1 and 0.5.

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References

  1. CMS Collaboration,The Tracker Project Technical Design Report, CERN/LHCC, 98–3 (1998).

  2. Braibant S. et al.,Investigation of design parameters and choice of substrate resistivity and crystal orientation for the CMS silicon microstrip detector, CMS note in preparation.

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Albergo, S., Angarano, M., Azzi, P. et al. Comparative study of (111) and (100) crystals and capacitance measurements on Si strip detectors in CMS. Il Nuovo Cimento A (1971-1996) 112, 1261–1269 (1999). https://doi.org/10.1007/BF03185592

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  • DOI: https://doi.org/10.1007/BF03185592

PACS 29.40.Gx

PACS 29.40.Wk

PACS 61.82.Fk

PACS 01.30.Cc

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