Constraints on the diffuse high-energy neutrino flux from the third flight of ANITA

(ANITA Collaboration)

Research output: Contribution to journalArticle

39 Scopus citations

Abstract

The Antarctic Impulsive Transient Antenna, a NASA long-duration balloon payload, searches for radio emission from interactions of ultrahigh-energy neutrinos in polar ice. The third flight of the Antarctic Impulsive Transient Antenna was launched in December 2014 and completed a 22-day flight. We present the results of three analyses searching for Askaryan radio emission of neutrino origin. In the most sensitive of the analyses, we find one event in the signal region on an expected background of 0.7-0.3+0.5. Though consistent with the background estimate, the event remains compatible with a neutrino hypothesis even after additional postunblinding scrutiny.

Original languageEnglish (US)
Article number022001
JournalPhysical Review D
Volume98
Issue number2
DOIs
StatePublished - Jul 15 2018

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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