A New Method for Finding Core Location and Arrival Direction of Extensive Air Showers

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Hedayati, Hadi | 2011

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Type of Document: Ph.D. Dissertation
Language: Farsi
Document No: 41932 (04)
University: Sharif University of Technology
Department: Physics
Advisor(s): Samimi, Jalal; Anvari, Abbas; Bahmanabadi, Mahmoud
Abstract:
The most important aspects of extensive air shower studies are finding energy, mass and the arrival direction of primary cosmic ray particles. In order for these parameters to be established, the core position of extensive air showers should be determined. In this thesis, a new method has been introduced that utilizes trigger time information of particle detectors for finding extensive air showers core location and for correcting plane wave front approximation to reconstruct their arrival direction. This method, in its simplest form, does not depend on density-sensitive detectors which are sensitive to the number of crossing particles. It is also independent of lateral distribution models. This model has been optimized and its superiority to other methods is shown by the analysis of simulated shower events generated by the CORSIKA package
Keywords:
Cosmic Rays ; Extensive Air Showers ; Surface Arrays ; Core Location

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