Event-by-event direction reconstruction of solar neutrinos in a high light-yield liquid scintillator

Publikation: Beitrag in FachzeitschriftForschungsartikelBeigetragenBegutachtung

Beitragende

  • (The SNO+ Collaboration) - (Autor:in)
  • Professur für Kernphysik
  • Queen's University Kingston
  • Laboratório de Instrumentação e Física Experimental de Partículas
  • Universidade de Lisboa
  • University of California at Berkeley
  • Lawrence Berkeley National Laboratory
  • University of Alberta
  • University of Pennsylvania
  • SNOLAB
  • Laurentian University
  • University of Coimbra
  • University of Sussex
  • University of Oxford
  • The University of Chicago
  • University of Liverpool (UOL)
  • King's College London (KCL)
  • Technische Universität Dresden
  • Universidad Nacional Autónoma de México
  • Boston University
  • TRIUMF

Abstract

The direction of individual B8 solar neutrinos has been reconstructed using the SNO+ liquid scintillator detector. Prompt, directional Cherenkov light was separated from the slower, isotropic scintillation light using time information, and a maximum likelihood method was used to reconstruct the direction of individual scattered electrons. A clear directional signal was observed, correlated with the solar angle. The observation was aided by a period of low primary fluor concentration that resulted in a slower scintillator decay time. This is the first time that event-by-event direction reconstruction in high light-yield liquid scintillator has been demonstrated in a large-scale detector.

Details

OriginalspracheEnglisch
Aufsatznummer072002
FachzeitschriftPhysical review d
Jahrgang109
Ausgabenummer7
PublikationsstatusVeröffentlicht - 1 Apr. 2024
Peer-Review-StatusJa

Schlagworte

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