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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-22 1:38 |
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Conference: Bucharest University Faculty of Physics 2012 Meeting
Section: Atomic and Molecular Physics; Astrophysics
Title:
Studies on location and geometry of radio detectors of cosmic rays
Authors:
A.M.BADESCU, C.STEFAN, E.NICOLAE, A.SAFTOIU, I.BRANCUS
Affiliation:
University POLITEHNICA of Bucharest
E-mail
badescuam@yahoo.com
Keywords:
cosmic rays, radio antenna, Pierre Auger Observatory
Abstract:
Detection of cosmic rays (CR) can answer very important questions related to some extremely energetic yet unexplained astrophysical sources such as: compact binary stars, accreting black holes, supernovae etc., key elements in understanding the evolution and fate of the Universe.
In order to achieve that, the Pierre Auger Observatory (located in Argentina) combines multiple types of measurements: surface detectors, fluorescence detectors and radio antennas. The radio detection technique of high energy cosmic particles is one of the newest in the field. Radio antennas measure the amplitude of the electric field generated by interactions of CR in the atmosphere and by reconstruction processes one determines the characteristics of the primary particle.
Not only that Pierre Auger Observatory will be extended starting 2015, but there are plans for building another one, in the northen emisphere. In this paper we look into the best possible locations of the new site, based on the characteristics of the radio emission from CR interactions. We also investigate its geometry and calculate the optimal number of radio detectors. The antenna spacing is determined such as the detection efficiency is as high as possible.
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