28 research outputs found

    Irradiation tests of photodiodes for the ATLAS SCT readout

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    Two kinds of photodiodes have been investigated for the ATLAS SCT readout. We present in this paper the results of irradiating bulk and epitaxial Si PIN diodes with 1 MeV-equivalent neutrons and 24 GeV protons. The devices were biased during some of the tests. They were exposed to a fluence of around 2.5×10 14 n cm -2 followed by a fluence of approximately 2.5×10 14 p cm -2
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