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Interstrip capacitance stabilization at low humidity.

Chilingarov, Alexandre and Campbell, Duncan and Hughes, Gareth (2006) Interstrip capacitance stabilization at low humidity. Nuclear Instruments and Methods A, 560 (1). pp. 118-121. ISSN 0168-9002

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A long-term stabilisation of the interstrip capacitance after bias application is investigated with emphasis on low ambient humidity conditions. The measurements are made with ATLAS SCT microstrip detectors produced by Hamamatsu. It is shown that after the application of 150 V bias the interstrip capacitance is higher by 25–30% than its stable value. It is demonstrated that at low absolute humidity, mandatory for the SCT operation at subzero temperatures, the stabilisation time may be of order of months. Since the interstrip capacitance is one of the major sources of front-end electronics noise the results are important for the optimisation of operating conditions for the ATLAS SCT.

Item Type: Article
Journal or Publication Title: Nuclear Instruments and Methods A
Uncontrolled Keywords: Silicon microstrip detectors ; Interstrip capacitance
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 19863
Deposited By: Dr Alexandre Chilingarov
Deposited On: 17 Nov 2008 13:36
Refereed?: Yes
Published?: Published
Last Modified: 17 Sep 2013 08:17
Identification Number:

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