The multi-PMT optical module for the IceCube-Upgrade
Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, 48149 Münster, Germany
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Published online: 10 May 2019
Following the first observation of an astrophysical high-energy neutrino flux with the IceCube Neutrino Observatory in 2013, planning for an upgrade of the detector is progressing, which will expand the capabilities of the detector both at low and high neutrino energies. A substantial contribution to the improved performance is anticipated to be achieved by the application of advanced optical module technology. The multi-PMT optical module, mDOM, consists of 24 3-inch PMTs which provide, amongst others, a large, homogeneous photosensitive area and sensitivity to the incident direction of photons. After an introduction, the current status of the mDOM development is presented with emphasis on the characterization of the photomultipliers under consideration.
© The Authors, published by EDP Sciences, 2019
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