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sphenix-emcal-l - [Sphenix-emcal-l] DNP CEU Poster Abstract--Meghan Tanner

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  • From: Michael Skoby <mskoby AT umich.edu>
  • To: sphenix-emcal-l AT lists.bnl.gov
  • Subject: [Sphenix-emcal-l] DNP CEU Poster Abstract--Meghan Tanner
  • Date: Thu, 21 Jul 2016 14:09:44 -0400

Dear collaborators,

Please see Meghan Tanner's abstract for the DNP Conference Experience for Undergraduates (CEU) poster session below.  Meghan is a summer REU student at the University of Michigan.  The deadline for submissions is Monday, July 25.  Please send comments and suggestions.  Thank you.

Regards,

Mike Skoby


ABSTRACT

Silicon photomultipliers (SiPMs) are preferable to photomultiplier tubes due to their small size, insensitivity to magnetic fields, low operating voltage, and capability of detecting single photons. The sPHENIX collaboration will use SiPMs in their proposed electromagnetic and hadronic calorimeters. The University of Michigan is assembling and implementing a test stand to characterize the dark count rate, temperature dependence, gain, and photon detection efficiency of SiPMs. To more accurately determine the dark count rate, we have constructed a light tight box to isolate the SiPM, which surrounds an electronics enclosure that protects the SiPM circuitry, and installed software to record the output signals. With this system, we will begin to collect data and optimize the system to test arrays of SiPMs instead of single devices as the proposed calorimeters will require testing approximately 115,000 SiPMs.




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