Characterization of New-Generation Silicon Photomultipliers for Nuclear Security Applications

Marc A. Wonders, David L. Chichester, Marek Flaska

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations

Abstract

Silicon photomultipliers have received a great deal of interest recently for use in applications spanning a wide variety of fields, including nuclear safeguards and nonproliferation. For nuclear-related applications, the ability of silicon photomultipliers to discriminate neutrons from gamma rays using pulse shape discrimination when coupled with certain organic scintillators is a characteristic of utmost importance. This work reports on progress characterizing the performance of twenty different silicon photomultipliers from five manufacturers with an emphasis on pulse shape discrimination performance and timing. Results are presented on pulse shape discrimination performance as a function of overvoltage for 6-mm x 6-mm silicon photomultipliers, and the time response to stilbene is characterized for silicon photomultipliers of three different sizes. Finally, comparison with a photomultiplier tube shows that some new-generation silicon photomultipliers can perform as well as photomultiplier tubes in neutron-gamma ray discrimination.

Original languageEnglish (US)
Article number07015
JournalEPJ Web of Conferences
Volume170
DOIs
StatePublished - Jan 10 2018
Event5th International Conference on Advancements in Nuclear Instrumentation Measurement Methods and their Applications, ANIMMA 2017 - Liege, Belgium
Duration: Jun 19 2017Jun 23 2017

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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