26-30 October 2015
Asia/Tokyo timezone
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Contribution Oral presentation

Plenary session

Invited talk: Results from the Telescope Array experiment, Hot spots and anisotropy

Speakers

  • Dr. Toshiyuki NONAKA

Primary authors

Abstract content

The Telescope Array (TA) experiment is located in the western desert of Utah, USA, and observes ultra high energy cosmic rays in the northern hemisphere. The experiment observes cosmic ray air shower at energies > 1 EeV using the fluorescence telescopes and the surface detectors. From first 5 year data, an anisotropy called "Hot spot" in arrival direction of cosmic ray was found at energy >57EeV. In this talk, we present updated result of the "Hot spot" and discuss together with studies on cosmic ray spectrum, chemical composition and other anisotropy studies at highest energy region.