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Pulse height distribution and radiation tolerance of CVD diamond detectors

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. (11 refs).
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http://hal.in2p3.fr/in2p3-00012183
Contributor : Magali Damoiseaux <>
Submitted on : Tuesday, April 17, 2001 - 3:52:30 PM
Last modification on : Monday, March 29, 2021 - 3:22:09 PM

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  • HAL Id : in2p3-00012183, version 1

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W. Adam, E. Berdermann, P. Bergonzo, G. Bertuccio, F. Bogani, et al.. Pulse height distribution and radiation tolerance of CVD diamond detectors. International workshop on vertex detectors 8, Jun 1999, Texel, Netherlands. pp.244-250. ⟨in2p3-00012183⟩

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