The DELPHI pixels

The DELPHI pixels

To improve tracking in the very forward direction for running at LEP200, the angular acceptance of the DELPHI Vertex detector has been extended from 45° to 11° with respect to the beam axis. Pixel detector crowns cover the region between 25° and 13°. Due to very tight space and material thickness co...

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Veröffentlicht in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 1997-02, Vol.386 (1), p.11-17
Hauptverfasser: Becks, K.H., Borghi, P., Brunet, J.M., Caccia, M., Clemens, J.C., Cohen-Solal, M., Courty, B., de Boer, W., Delpierre, P., Drees, J., Gerlach, P., Glitza, K.W., Gregor, I.M., Guglielmi, L., Hartmann, F., Heuser, J.M., Jaeger, J.J., Kaiser, M., Kersten, S., Knoblauch, D., Koepert, A., Leb, H., Ledroit, F., Maehlum, G., Meroni, C., Meyer, S., Moenig, K., Mouthuy, T., Pert, H., Pindo, M., Raymond, M., Redaelli, N., Roos, L., Sauvage, D., Sicho, P., Tristram, G., Turlot, J.P., Uberschar, B., Vegni, G., Vrba, V., Wielers, M.
Format: Artikel
Sprache:eng
Schlagworte:
Instrumentation and Detectors
Physics
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Zusammenfassung:To improve tracking in the very forward direction for running at LEP200, the angular acceptance of the DELPHI Vertex detector has been extended from 45° to 11° with respect to the beam axis. Pixel detector crowns cover the region between 25° and 13°. Due to very tight space and material thickness constraints it was necessary to develop new techniques (integrated busses in the detector substrate, high density layout on Kapton, etc.). About 1000 cm 2 of pixels are already installed and working in DELPHI. Techniques, tests and production of these detectors will be described, as well as the main problems encountered during this work.
ISSN:0168-9002
1872-9576
DOI:10.1016/S0168-9002(96)01089-3