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Observation of Ultra-high-energy Cosmic Rays with the ANITA Balloon-borne Radio Interferometer Locations of direct (black) and reflected (red) detection of ultrahigh energy cosmic ray events by the ANITA balloon experiment over Antarctica. The field of view is delineated by the dashed blue line. [S. Hoover et al., Phys. Rev. Lett. 105, 151101 (2010)] Physical Review … Read more →

Observations of the Askaryan Effect in Ice ANITA balloon payload set up to detect radio Cherenkov emission from particle showers produced when a high energy electron beam strikes a seven ton ice target. [P. W. Gorham et al. ANITA Collaboration, Phys. Rev. Lett. 99, 171101 (2007)] Physical Review Letters – 26 October 2007 Volume 99 … Read more →