Characteristics of Four Upward-Pointing Cosmic-Ray-like Events Observed with ANITA
Characteristics of Four Upward-Pointing Cosmic-Ray-like Events Observed with ANITA
We report on four radio-detected cosmic-ray (CR) or CR-like events observed with the Antarctic Impulsive Transient Antenna (ANITA), a NASA-sponsored long-duration balloon payload. Two of the four were previously identified as stratospheric CR air showers during the ANITA-I flight. A third stratospheric CR was detected during the ANITA-II flight. Here …