Search for ultra-high energy photons and neutrinos using Telescope Array surface detector
1 Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
2 Institute for Cosmic Ray Research of University of Tokyo, Japan
3 Rutgers – The State University of New Jersey, Piscataway, USA
4 University of Utah, High Energy Astrophysics Institute, Salt Lake City, Utah, USA
a e-mail: email@example.com
We search for ultra-high energy photons by analyzing geometrical properties of shower fronts of events registered by the Telescope Array surface detector. By making use of an event-by-event statistical method, we derive upper limits on the absolute flux of primary photons with energies above 1019eV, 1019.5eV and above 1020eV based on the three years data from Telescope Array surface detector (May 2008 – May 2011). We report the results of down-going neutrino search based on the analysis of very inclined events.
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