Modeling the LAGO detectors response to secondary particles at ground level from the Antarctic to Mexico

ROLANDO CALDERON; MAURICIO SUAREZ DURAN; CHRISTIAN SARMIENTO CANO

Madison

Conferencia; 36th International Cosmic Ray Conference (ICRC2019); 2019

Resultados de búsqueda Resultado web con enlaces de partes del sitio IUPAP: The International Union of Pure and Applied Physics

The Latin American Giant Observatory (LAGO) is an observatory spanning over Latin Americain a wide range of latitudes with different rigidity cut offs and atmospheric depths. The motiva-tion of the Observatory is to study, using Water Cherenkov Detectors (WCD), the atmosphericradiation and the space weather through the measurement of secondary particles produced duringthe interaction of astroparticles with the atmosphere. Here, we present the methodology for esti-mating the number of Cherenkov photons detected by the photo-multiplier tube in a WCD in anygeographical position. To do this, the secondary particle flux of cosmic rays is calculated and ageomagnetic field correction is applied. The CORSIKA and MAGCOS programs are used. In ad-dition, the outcome of the simulation is used as an input to the Geant4 program in order to mimicthe response of the detector. As a result, the distribution of photo-electrons is obtained for thetotal particle flux, where its behavior resembles the characteristic signals of this kind of detectorand could be used to calibrate the system. This methodology was applied for five LAGO detectorsites, located at different latitudes and altitudes above sea level, between Chile and Mexico.