First bump-bonded pixel detectors on CVD diamond

W. Adam, C. Bauer, E. Berdermann, P. Bergonzo, F. Bogani, E. Borchi, A. Brambilla, M. Bruzzi, C. Colledani, J. Conway, W. Dabrowski, P. Delpierre, A. Deneuville, W. Dulinski, B. Van Eijk, A. Fallou, F. Fizzotti, F. Foulon, M. Friedl, K. K. GanE. Gheeraert, E. Grigoriev, G. Hallewell, R. Hall-Wilton, S. Han, F. Hartjes, J. Hrubec, D. Husson, H. Kagan, D. Kania, J. Kaplon, C. Karl, R. Kass, M. Krammer, A. Logiudice, R. Lu, P. F. Manfredi, C. Manfredotti, R. D. Marshall, D. Meier, M. Mishina, A. Oh, V. G. Palmieri, L. S. Pan, A. Peitz, M. Pernicka, S. Pirollo, P. Polesello, K. Pretzl, V. Re, J. L. Riester, S. Roe, D. Roff, A. Rudge, S. Schnetzer, S. Sciortino, V. Speziali, H. Stelzer, J. Steuerer, R. Stone, R. J. Tapper, R. Tesarek, M. Trawick, W. Trischuk, R. Turchetta, E. Vittone, A. Wagner, A. M. Walsh, R. Wedenig, P. Weilhammer, W. Zeuner, H. Ziock, M. Zoeller, E. Charles, A. Ciocio, K. Dao, K. Einsweiler, D. Fasching, M. Gilchriese, A. Joshi, S. Kleinfelder, O. Milgrome, N. Palaio, J. Richardson, P. Sinervo, G. Zizka

    Research output: Contribution to journalArticlepeer-review

    24 Scopus citations

    Abstract

    Diamond is a nearly ideal material for detecting ionizing radiation. Its outstanding radiation hardness, fast charge collection and low leakage current allow it to be used in high radiation environments. These characteristics make diamond sensors particularly appealing for use in the next generation of pixel detectors. Over the last year, the RD42 collaboration has worked with several groups that have developed pixel readout electronics in order to optimize diamond sensors for bump-bonding. This effort resulted in an operational diamond pixel sensor that was tested in a pion beam. We demonstrate that greater than 98% of the channels were successfully bump-bonded and functioning. The device shows good overall hit efficiency as well as clear spatial hit correlation to tracks measured in a silicon reference telescope. A position resolution of 14.8 μm was observed, consistent with expectations given the detector pitch.

    Original languageBritish English
    Pages (from-to)326-335
    Number of pages10
    JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
    Volume436
    Issue number3
    DOIs
    StatePublished - 1 Nov 1999

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