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

Journal Article · · Physical Review D

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. Here, 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$$+0.5\atop{-0.3}$$. Though consistent with the background estimate, the event remains compatible with a neutrino hypothesis even after additional postunblinding scrutiny.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE; National Science Foundation (NSF); National Aeronautics and Space Administration (NASA)
Contributing Organization:
ANITA Collaboration
Grant/Contract Number:
AC02-76SF00515; 1255557; 106-2119-M-002-011
OSTI ID:
1461819
Journal Information:
Physical Review D, Vol. 98, Issue 2; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 44 works
Citation information provided by
Web of Science

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Cited By (16)

The Giant Radio Array for Neutrino Detection (GRAND): Science and design journal August 2019
Probing the origin of ultra-high-energy cosmic rays with neutrinos in the EeV energy range using the Pierre Auger Observatory journal October 2019
Suggestion of coherent radio reflections from an electron-beam induced particle cascade journal October 2019
Differential limit on the extremely-high-energy cosmic neutrino flux in the presence of astrophysical background from nine years of IceCube data text January 2018
NuRadioMC: Simulating the radio emission of neutrinos from interaction to detector text January 2020
Open Questions in Cosmic-Ray Research at Ultrahigh Energies journal June 2019
Probing the origin of ultra-high-energy cosmic rays with neutrinos in the EeV energy range using the Pierre Auger Observatory text January 2019
NuRadioMC: simulating the radio emission of neutrinos from interaction to detector journal January 2020
Open Questions in Cosmic-Ray Research at Ultrahigh Energies text January 2019
Open Questions in Cosmic-Ray Research at Ultrahigh Energies text January 2019
Observation of an Unusual Upward-going Cosmic-ray-like Event in the Third Flight of ANITA text January 2018
The Giant Radio Array for Neutrino Detection (GRAND): Science and Design text January 2018
Constraints on the ultra-high energy cosmic neutrino flux from the fourth flight of ANITA text January 2019
The Inflaton Portal to a Highly decoupled EeV Dark Matter Particle text January 2019
Probing the origin of ultra-high-energy cosmic rays with neutrinos in the EeV energy range using the Pierre Auger Observatory text January 2019
Anomalous ANITA air shower events and tau decays text January 2019