An extensive aging study of bakelite Resistive Plate Chambers

G. Carboni, S. De Capua, D. Domenici, G. Ganis, R. Messi, G. Passaleva, E. Santovetti, M. Veltri

    Research output: Contribution to journalArticlepeer-review


    We present recent results of an extensive aging test, performed at the CERN Gamma Irradiation Facility, on two bakelite Resistive Plate Chambers (RPC) detectors. With a method based on a model describing the behavior of an RPC exposed to a large particle flux, we have periodically measured the electrode resistivity ρ of the two detectors over 3 years. We observed a large increase of ρ with time, from initial values of about 1010 Ω cm to more than 200 × 1010 Ω cm. A corresponding degradation of the RPC rate capability, from about 3 kHz/cm2 to less than 200 Hz/cm2, was observed. The reversibility of the process, using a humid gas mixture, has also been studied.

    Original languageEnglish
    Pages (from-to)82-85
    Number of pages4
    JournalNuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment
    Issue number1-2
    Publication statusPublished - 1 Feb 2004


    • Bakelite
    • Current
    • Detector
    • Humid gas
    • Resistivity
    • RPC


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