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High-energy reconstruction for single and double cascades using the KM3NeT detector

  • KM3NeT Collaboration
  • National Institute for Subatomic Physics
  • Aix-Marseille Université
  • University of Padua
  • National Institute for Nuclear Physics
  • Université de Strasbourg
  • Université de Haute-Alsace
  • Université de Paris
  • University of Valencia
  • University of Naples Federico II
  • Polytechnic University of Catalonia
  • Demokritos National Centre for Scientific Research
  • University of Granada
  • Friedrich-Alexander University Erlangen-Nürnberg
  • Polytechnic University of Valencia
  • Mohammed V University in Rabat
  • University of Bologna
  • University of Groningen
  • North West University
  • Unidad Mixta IEO-UPV
  • Mohamed I University
  • Nantes Université
  • University of Salerno
  • Institute for Space Sciences
  • University of Amsterdam
  • Netherlands Organisation for Applied Scientific Research
  • University of Campania Luigi Vanvitelli
  • University of Rome La Sapienza
  • Cadi Ayyad University
  • University of the Witwatersrand
  • University of Catania
  • International Centre for Radio Astronomy Research
  • University of Bari
  • University of Würzburg
  • Western Sydney University
  • University of Münster
  • University of Genoa
  • Université de Caen
  • Royal Netherlands Institute for Sea Research - NIOZ
  • Ivane Javakhishvili Tbilisi State University
  • Leiden University
  • National Centre for Nuclear Research
  • Utrecht University
  • Institut universitaire de France
  • University of Johannesburg
  • University of Tübingen
  • University of Pisa
  • Université Montpellier 2

Research output: Contribution to journalConference articlepeer-review

Abstract

The discovery of a high-energy cosmic neutrino flux has paved the way for the field of neutrino astronomy. For a large part of the flux, the sources remain unidentified. The KM3NeT detector, which is under construction in the Mediterranean sea, is designed to determine their origin. KM3NeT will instrument a cubic kilometre of seawater with photomultiplier tubes that detect Cherenkov radiation from neutrino interaction products with nanosecond precision. For single cascade event signatures, KM3NeT already showed that it can reach degree-level resolutions, greatly increasing the use of these neutrinos for astronomy. In this contribution, we further refine the cascade reconstruction by making a more detailed model of the neutrinos events and including additional information on the hit times. The arrival time of light can be used to improve the identification of double cascade signatures from tau neutrinos, and the angular resolution of both single and double cascade signatures. Sub-degree resolution is achieved in both cases.

Original languageEnglish
Article number1089
JournalProceedings of Science
Volume395
Publication statusPublished - 18 Mar 2022
Event37th International Cosmic Ray Conference, ICRC 2021 - Virtual, Berlin, Germany
Duration: 12 Jul 202123 Jul 2021

ASJC Scopus subject areas

  • Multidisciplinary

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