Pulse height distribution and radiation tolerance of CVD diamond detectors

W. Adam, E. Berdermann, P. Bergonzo, G. Bertuccio, F. Bogani, E. Borchi, A. Brambilla, M. Bruzzi, C. Colledani, J. Conway, P. Dangelo, W. Dabrowski, P. Delpierre, A. Deneuville, W. Dulinski, B. Van Eijk, A. Fallou, F. Fizzotti, F. Foulon, M. FriedlK. K. Gan, E. Gheeraert, E. Grigoriev, G. Hallewell, S. Han, F. Hartjes, J. Hrubec, D. Husson, H. Kagan, D. Kania, J. Kaplon, C. Karl, R. Kass, M. Krammer, A. Logiudice, R. Lu, C. Manfredotti, D. Meier, M. Mishina, L. Moroni, A. Oh, L. S. Pan, M. Pernicka, A. Peitz, S. Pirollo, P. Polesello, M. Procario, J. L. Riester, S. Roe, L. Rousseau, A. Rudge, J. Russ, S. Sala, M. Sampietro, S. Schnetzer, S. Sciortino, H. Stelzer, R. Stone, B. Suter, R. J. Tapper, R. Tesarek, M. Trawick, W. Trischuk, D. Tromson, E. Vittone, A. M. Walsh, R. Wedenig, P. Weilhammer, C. White, W. Zeuner, M. Zoeller, A. Fenyvesi, J. Molnar, D. Sohler

    Research output: Contribution to journalConference articlepeer-review

    35 Scopus citations

    Abstract

    The paper reviews measurements of the radiation tolerance of CVD diamond for irradiation with 24 GeV/c protons, 300 MeV/c pions and 1 MeV neutrons. For proton and neutron irradiation, the measured charge signal spectrum is compared with the spectrum calculated by a model. Irradiation by particles causes radiation damage leading to a decrease of the charge signal. However, both the measurements and the outcome from the model shows that for tracker applications this drawback is at least partly counterbalanced by a narrowing of the distribution curve of the charge signal. In addition, we observed after proton irradiation at the charge signal spectrum a decrease of the number of small signals. As a result, the efficiency of a CVD diamond tracker is less affected by irradiation than the mean charge signal.

    Original languageBritish English
    Pages (from-to)244-250
    Number of pages7
    JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
    Volume447
    Issue number1
    DOIs
    StatePublished - 1 Jun 2000
    EventVERTEX '99: 8th International Workshop on Vertex Detectors - Texel, Neth
    Duration: 20 Jun 199925 Jun 1999

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