Low Energy Event Reconstruction in IceCube DeepCore

IceCube Collaboration

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)
22 Downloads (Pure)

Abstract

The reconstruction of event-level information, such as the direction or energy of a neutrino interacting in IceCube DeepCore, is a crucial ingredient to many physics analyses. Algorithms to extract this high level information from the detector's raw data have been successfully developed and used for high energy events. In this work, we address unique challenges associated with the reconstruction of lower energy events in the range of a few to hundreds of GeV and present two separate, state-of-the-art algorithms. One algorithm focuses on the fast directional reconstruction of events based on unscattered light. The second algorithm is a likelihood-based multipurpose reconstruction offering superior resolutions, at the expense of larger computational cost.
Original languageEnglish
Article number807
Number of pages21
JournalEur. Phys. J. C
Volume82
Issue number9
DOIs
Publication statusPublished - 9 Sep 2022

Bibliographical note

Funding Information:
USA \u2013 U.S. National Science Foundation-Office of Polar Programs, U.S. National Science Foundation-Physics Division, U.S. National Science Foundation-EPSCoR, Wisconsin Alumni Research Foundation, Center for High Throughput Computing (CHTC) at the University of Wisconsin\u2013Madison, Open Science Grid (OSG), Extreme Science and Engineering Discovery Environment (XSEDE), Frontera computing project at the Texas Advanced Computing Center, U.S. Department of Energy-National Energy Research Scientific Computing Center, Particle astrophysics research computing center at the University of Maryland, Institute for Cyber-Enabled Research at Michigan State University, and Astroparticle physics computational facility at Marquette University; Belgium \u2013 Funds for Scientific Research (FRS-FNRS and FWO), FWO Odysseus and Big Science programmes, and Belgian Federal Science Policy Office (Belspo); Germany \u2013 Bundesministerium f\u00FCr Bildung und Forschung (BMBF), Deutsche Forschungsgemeinschaft (DFG), Helmholtz Alliance for Astroparticle Physics (HAP), Initiative and Networking Fund of the Helmholtz Association, Deutsches Elektronen Synchrotron (DESY), and High Performance Computing cluster of the RWTH Aachen; Sweden \u2013 Swedish Research Council, Swedish Polar Research Secretariat, Swedish National Infrastructure for Computing (SNIC), and Knut and Alice Wallenberg Foundation; Australia \u2013 Australian Research Council; Canada \u2013 Natural Sciences and Engineering Research Council of Canada, Calcul Qu\u00E9bec, Compute Ontario, Canada Foundation for Innovation, WestGrid, and Compute Canada; Denmark \u2013 Villum Fonden and Carlsberg Foundation; New Zealand \u2013 Marsden Fund; Japan \u2013 Japan Society for Promotion of Science (JSPS) and Institute for Global Prominent Research (IGPR) of Chiba University; Korea \u2013 National Research Foundation of Korea (NRF); Switzerland \u2013 Swiss National Science Foundation (SNSF); United Kingdom \u2013 Department of Physics, University of Oxford.

Publisher Copyright:
© 2022, The Author(s).

Keywords

  • hep-ex
  • astro-ph.IM
  • physics.data-an
  • physics.ins-det

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