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Calibration of a large water-Cherenkov detector at the Sierra Negra site of LAGO

  • for the LAGO Collaboration
  • Ciudad Universitaria
  • Universidad de San Carlos de Guatemala
  • Universidad Autonoma de Chiapas
  • Universidad Nacional San Antonio Abad del Cusco
  • Instituto de Astronomía y Física del Espacio
  • Consejo Nacional de Investigaciones Científicas y Técnicas
  • Escuela Superior Politécnica de Chimborazo
  • Universidad Simón Bolívar
  • Universidad Industrial de Santander
  • Escuela Politecnica Nacional
  • Universidade Estadual de Campinas
  • Optics and Electronics
  • Universidad Dederal de Campina Grande
  • Benemerita Universidad Autonoma de Puebla
  • Universidad de Buenos Aires
  • Comisión Nacional de Investigación y Desarrollo Aeroespacial
  • Instituto Antártico Argentina
  • Universidad de Los Andes
  • Universidad Central de Venezuela
  • CIEMAT
  • Universidad San Francisco de Quito
  • Universidad Mayor de San Andrés, Bolivia
  • Universidad de Nariño
  • Universidad Politécnica de Pachuca
  • Universidad Michoacana de San Nicolas de Hidalgo

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The Latin American Giant Observatory (LAGO) is an international network of water-Cherenkov detectors (WCD) set in different sites across Latin America. On top of the Sierra Negra volcano in Mexico at an altitude of 4530 m, LAGO has completed its first out of three instrumented detector. It consists of a cylindrical water tank with a diameter of 7.3 m and a height of 1 m and a total detection area of 40 m2 that is sectioned in four equal slices. In this work we present the full calibration procedure of this detector and the initial measurements of stability in rate. We also derive the effective area to gamma-ray bursts for the complete array using the LAGO simulation chain, based on CORSIKA and GEANT4.

Keywords

  • Calibration
  • GRBs
  • LAGO
  • PMTs
  • Water Cherenkov detector

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