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High-Energy Cosmic-Ray Detect by Antarctic Ross Ice-Self Antenna Neutrino Array(ARIANNA)

Presentation #107.67 in the session Stellar/Compact Objects - Poster Session.

Published onMay 03, 2024
High-Energy Cosmic-Ray Detect by Antarctic Ross Ice-Self Antenna Neutrino Array(ARIANNA)

The goal of this research is to find the cosmic rays at the South Pole at high elevation(about 3000 meters above the sea levels), testing the physics of radio production by cosmic ray showers that are still developing in the atmosphere. To achieve this goal, a surface array of radio antennas in Project ARIANNA has been planted on the south pole, and detecting the radio shower around it. More than 30,000 events have been recorded, from Feb.16th, 2018 to Oct.1st, 2018. Most of these events are background radio noise. They are usually caused by human activities such as the activity of the wind turbine, planes/cars going by, and human’s phone calls. To filter the noise out, we simulated the cosmic-rays, and compared the simulation with the detected data in different criteria, including waveform similarity, trigger rate, direction distribution and arrival time distribution. There are approximately 25 events that have been identified as high-energy cosmic-ray candidates.

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