Planar edgeless silicon detectors for the TOTEM experiment

G Ruggiero, V Avati, V Bergholm, Juha Kalliopuska, Ari Kiiskinen, Kari Kurvinen, Rauno Lauhakangas, Tuula Mäki, F Oljemark, Risto Orava, V. G Palmieri, Heimo Saarikko, Stefan Tapprogge, A Toppinen, Kenneth Österberg, TOTEM Collaboration

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    Silicon detectors for the Roman Pots of the the large hadron collider TOTEM experiment aim for full sensitivity at the edge where a terminating structure is required for electrical stability. This work provides an innovative approach reducing the conventional width of the terminating structure to less than 100 pm, still using standard planar fabrication technology. The objective of this new development is to decouple the electric behavior of the surface from the sensitive volume within a few tens of micrometers. The explanation of the basic principle of this new approach together with the experimental confirmation via electric measurements and beam test are presented in this paper, demonstrating that silicon detectors with this new terminating structure are fully operational and efficient to under 60 mu m from the die cut.
    TidskriftIEEE Transactions on Nuclear Science
    Sidor (från-till)1899-1902
    Antal sidor4
    StatusPublicerad - 2005
    MoE-publikationstypA1 Tidskriftsartikel-refererad


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