Operating Water Cherenkov Detectors in high altitude sites for the Large Aperture GRB Observatory

D. Allard; C. Alvarez; H. Asorey; H. Barros; X. Bertou; M. Castillo; J. M. Chirinos; A. De Castro; S. Flores; J. Gonzalez; M. Gomez Berisso; J. Grajales; C. Guada; W. R. Guevara Day; J. Ishitsuka; J. A. Lopez; O. Martinez; A. Melfo; E. Meza; P. Miranda Loza; E. Moreno Barbosa; C. Murrugarra; L. A. Nunez; L. J. Otiniano Ormachea; G. Perez; Y. Perez; E. Ponce; J. Quispe; C. Quintero; H. Rivera; M. Rosales; A. C. Rovero; O. Saavedra; H. Salazar; J. C. Tello; R. Ticona Peralda; E. Varela; A. Velarde; L. Villasenor; D. Wahl; M. A. Zamalloa

arXiv · 0906.0814

Operating Water Cherenkov Detectors in high altitude sites for the Large Aperture GRB Observatory

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Abstract

Water Cherenkov Detectors (WCD) are efficient detectors for detecting GRBs in the 10 GeV - 1 TeV energy range using the single particle technique, given their sensitivity to low energy secondary photons produced by high energy photons when cascading in the atmosphere. The Large Aperture GRB Observatory (LAGO) operates arrays of WCD in high altitude sites (above 4500 m a.s.l.) in Bolivia, Mexico and Venezuela, with planned extension to Peru. Details on the operation and stability of these WCD in remote sites with high background rates of particles will be detailed, and compared to simulations. Specific issues due to operation at high altitude, atmospheric effects and solar activity, as well as possible hardware enhancements will also be presented.

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D. Allard, C. Alvarez, H. Asorey, H. Barros, X. Bertou, M. Castillo, J. M. Chirinos, A. De Castro, S. Flores, J. Gonzalez, M. Gomez Berisso, J. Grajales, C. Guada, W. R. Guevara Day, J. Ishitsuka, J. A. Lopez, O. Martinez, A. Melfo, E. Meza, P. Miranda Loza, E. Moreno Barbosa, C. Murrugarra, L. A. Nunez, L. J. Otiniano Ormachea, G. Perez, Y. Perez, E. Ponce, J. Quispe, C. Quintero, H. Rivera, M. Rosales, A. C. Rovero, O. Saavedra, H. Salazar, J. C. Tello, R. Ticona Peralda, E. Varela, A. Velarde, L. Villasenor, D. Wahl, M. A. Zamalloa. 2009-06-04. Operating Water Cherenkov Detectors in high altitude sites for the Large Aperture GRB Observatory. https://arxiv.org/abs/0906.0814

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