Towards Determining the energy of the UHECRs observed by the ANITA detector

TL;DR

This paper introduces a Monte Carlo analysis method to estimate the energy of ultra-high energy cosmic rays detected by the ANITA balloon experiment, based on observed radio signals.

Contribution

It presents a novel Monte Carlo technique specifically designed for energy determination of cosmic rays in ANITA data, enhancing analysis accuracy.

Findings

Detection of multiple ultra-high energy cosmic ray events by ANITA

Development of a new Monte Carlo method for energy estimation

Improved understanding of cosmic ray energies from radio signals

Abstract

The Antarctic Impulsive Transient Antenna (ANITA) is a balloon-borne radio experiment designed to discover ultra-high energy cosmic neutrinos. The ANITA detector has completed one prototype and two full-scale flights above the Antarctic continent. Two direct and fourteen reflected cosmic ray events of ultra-high energy were observed during the first full scale flight and several others in the second flight. We present a Monte Carlo technique and analysis developed to determine the energy of the primary cosmic ray particles from the ANITA data.