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The Wavelength-Shifting Optical Module in Application to the IceCube Neutrino Observatory

  • The IceCube Collaboration
  • Loyola University Chicago
  • German Electron Synchrotron
  • University of Canterbury
  • University of Wisconsin-Madison
  • Institute of Physics Bhubaneswar
  • Université libre de Bruxelles
  • University of Copenhagen
  • TU Dortmund University
  • University of Delaware
  • Marquette University
  • Friedrich-Alexander University Erlangen-Nürnberg
  • Harvard University
  • University of Utah
  • South Dakota School of Mines & Technology
  • University of California at Irvine
  • University of California at Berkeley
  • Ohio State University
  • Ruhr University Bochum
  • Chalmers University of Technology
  • Uppsala University
  • Technical University of Munich
  • RWTH Aachen University
  • University of Rochester
  • University of Maryland, College Park
  • University of Padua
  • University of Kansas
  • Karlsruhe Institute of Technology
  • Johannes Gutenberg University Mainz
  • Georgia Institute of Technology
  • University of Adelaide
  • University of Münster
  • Drexel University

Research output: Contribution to journalConference articlepeer-review

Abstract

The Wavelength-shifting Optical Module (WOM) is a novel photosensor concept developed as part of the upcoming Upgrade for the IceCube Neutrino Observatory. It uses the technique of wavelength shifting and total internal reflection to increase the photon light yield in the UV-regime of the Cherenkov spectrum. The decoupling of the effective area from the size of light sensors enhances the signal-to-noise-ratio. Twelve WOM modules will be deployed in the IceCube Upgrade to increase the photon detection efficiency and thus enhance future low-energy analyses. The general concept can also be applied at the future IceCube-Gen2 detector, where passive light collecting extensions to the optical sensor modules locally increase the light collection efficiency. This technique would benefit the detection of supernova neutrinos or other particles with low light emissions. We report on new results in characterizing and optimizing the WOM concept, the production status of the modules to be deployed in 2025/26 as well as possible applications of the concept for IceCube-Gen2.

Original languageEnglish
Article number992
JournalProceedings of Science
Volume444
StatePublished - Sep 27 2024
Event38th International Cosmic Ray Conference, ICRC 2023 - Nagoya, Japan
Duration: Jul 26 2023Aug 3 2023

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