Report
An induced annealing technique for SiPMs neutron radiation damage
| العنوان: | An induced annealing technique for SiPMs neutron radiation damage |
|---|---|
| المؤلفون: | Cordelli, M., Diociaiuti, E., Ferrari, A., Miscetti, S., Muller, S., Pezzullo, G., Sarra, I. |
| سنة النشر: | 2018 |
| المجموعة: | Physics (Other) |
| مصطلحات موضوعية: | Physics - Instrumentation and Detectors |
| الوصف: | The use of Silicon Photo-Multipliers(SiPMs)has become popular in the design of High Energy Physics experimental apparatus with a growing interest for their application in detector area where a significant amount of non-ionising dose is delivered. For these devices, the main effect caused by the neutron fluence is a linear increase of the leakage current. In this paper, we present a technique that provides a partial recovery of the neutron damage on SiPMs by means of an Electrical Induced Annealing. Tests were performed, at the temperature of 20C, on a sample of three SiPM arrays (2x3) of 6 mm^2 cells with 50 um pixel sizes: two from Hamamatsu and one from SensL. These SiPMs have been exposed to neutrons generated by the Elbe Positron Source facility (Dresden), up to a total fluence of 8x10^11 n1MeV-eq/cm^2. Our techniques allowed to reduced the leakage current of a factor ranging between 15-20 depending on the overbias used and the SiPM vendor. Because, during the process the SiPM current can reach O(100 mA), the sensors need to be operated in a condition that provides thermal dissipation. Indeed, caution must be used when applying this kind of procedures on the SiPMs, because it may damage permanently the device itself. |
| نوع الوثيقة: | Working Paper |
| DOI: | 10.1088/1748-0221/16/12/T12012 |
| URL الوصول: | http://arxiv.org/abs/1804.09792 |
| رقم الانضمام: | edsarx.1804.09792 |
| قاعدة البيانات: | arXiv |
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1 |
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edsarx arXiv edsarx.1804.09792 981 3 Report report 981.37744140625 |
| PLink |
https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsarx&AN=edsarx.1804.09792&custid=s6537998&authtype=sso |
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