Publications (23)
Constraints on the diffuse high-energy neutrino flux from the third flight of ANITA
P. W. Gorham, P. Allison, O. Banerjee +57
The Antarctic Impulsive Transient Antenna (ANITA), a NASA long-duration balloon payload, searches for radio emission from interactions of ultra-high-energy neutrinos in polar ice.…
Observation of an Unusual Upward-going Cosmic-ray-like Event in the Third Flight of ANITA
P. W. Gorham, B. Rotter, P. Allison +60
We report on an upward traveling, radio-detected cosmic-ray-like impulsive event with characteristics closely matching an extensive air shower. This event, observed in the third fl…
Antarctic Surface Reflectivity Measurements from the ANITA-3 and HiCal-1 Experiments
P. W. Gorham, P. Allison, O. Banerjee +53
The primary science goal of the NASA-sponsored ANITA project is measurement of ultra-high energy neutrinos and cosmic rays, observed via radio-frequency signals resulting from a ne…
Tunka-Rex: a Radio Antenna Array for the Tunka Experiment (ARENA 2012)
F. G. Schröder, D. Besson, N. M. Budnev +21
Tunka-Rex, the Tunka radio extension, is an array of 20 antennas at the Tunka experiment close to Lake Baikal in Siberia. It started operation on 08 October 2012. The antennas are…
Characteristics of Four Upward-pointing Cosmic-ray-like Events Observed with ANITA
P. W. Gorham, J. Nam, A. Romero-Wolf +66
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.…
The Tunka-133 EAS Cherenkov light array: status of 2011
S. F. Berezhnev, D. Besson, A. V. Korobchenko +33
A new EAS Cherenkov light array, Tunka-133, with ~1 km^2 geometrical area has been installed at the Tunka Valley (50 km from Lake Baikal) in 2009. The array permits a detailed stud…
Observation of Reconstructable Radio Emission Coincident with an X-Class Solar Flare in the Askaryan Radio Array Prototype Station
P. Allison, S. Archambault, J. Auffenberg +74
The Askaryan Radio Array (ARA) reports an observation of radio emission coincident with the "Valentine's Day" solar flare on Feb. 15, 2011 in the prototype "Testbed" st…
HiCal 2: An instrument designed for calibration of the ANITA experiment and for Antarctic surface reflectivity measurements
S. Prohira, A. Novikov, D. Z. Besson +55
The NASA supported High-Altitude Calibration (HiCal)-2 instrument flew as a companion balloon to the ANITA-4 experiment in December 2016. Based on a HV discharge pulser producing r…
Dynamic tunable notch filters for the Antarctic Impulsive Transient Antenna (ANITA)
P. Allison, O. Banerjee, J. J. Beatty +56
The Antarctic Impulsive Transient Antenna (ANITA) is a NASA long-duration balloon experiment with the primary goal of detecting ultra-high-energy ($>10^{18}\,\mbox{eV}$) neutrinos…
Performance of two Askaryan Radio Array stations and first results in the search for ultra-high energy neutrinos
ARA Collaboration, P. Allison, R. Bard +64
Ultra-high energy neutrinos are interesting messenger particles since, if detected, they can transmit exclusive information about ultra-high energy processes in the Universe. These…
Antarctic Surface Reflectivity Calculations and Measurements from the ANITA-4 and HiCal-2 Experiments
S. Prohira, A. Novikov, P. Dasgupta +54
The balloon-borne HiCal radio-frequency (RF) transmitter, in concert with the ANITA radio-frequency receiver array, is designed to measure the Antarctic surface reflectivity in the…
Constraints on the Ultra-High Energy Neutrino Flux from Gamma-Ray Bursts from a Prototype Station of the Askaryan Radio Array
P. Allison, J. Auffenberg, R. Bard +49
We report on a search for ultra-high-energy (UHE) neutrinos from gamma-ray bursts (GRBs) in the data set collected by the Testbed station of the Askaryan Radio Array (ARA) in 2011…
The Tunka-133 EAS Chrenkov array - status, first results and plans
N. M. Budnev, D. Besson, O. A. Chvalaev +24
The new EAS Cherenkov array Tunka-133 with about 1 km**2 geometric acceptance area is installed in the Tunka Valley (50 km from Lake Baikal). The array willpermit a detailed study…
A search for ultrahigh-energy neutrinos associated with astrophysical sources using the third flight of ANITA
C. Deaconu, L. Batten, P. Allison +60
The ANtarctic Impulsive Transient Antenna (ANITA) long-duration balloon experiment is sensitive to interactions of ultra high-energy (E > 10^{18} eV) neutrinos in the Antarctic ice…
Constraints on the ultra-high energy cosmic neutrino flux from the fourth flight of ANITA
P. W. Gorham, P. Allison, O. Banerjee +57
The ANtarctic Impulsive Transient Antenna (ANITA) NASA long-duration balloon payload completed its fourth flight in December 2016, after 28 days of flight time. ANITA is sensitive…
Experimental Probes of Radio Wave Propagation near Dielectric Boundaries and Implications for Neutrino Detection
R. Alvarez, D. Z. Besson, I. Bikov +8
Experimental efforts to measure neutrinos by radio-frequency (RF) signals resulting from neutrino interactions in-ice have intensified over the last decade. Recent calculations ind…
Upward-Pointing Cosmic-Ray-like Events Observed with ANITA
Andres Romero-Wolf, P. W. Gorham, J. Nam +73
These proceedings address a recent publication by the ANITA collaboration of four upward- pointing cosmic-ray-like events observed in the first flight of ANITA. Three of these even…
First Constraints on the Ultra-High Energy Neutrino Flux from a Prototype Station of the Askaryan Radio Array
ARA Collaboration, P. Allison, J. Auffenberg +48
The Askaryan Radio Array (ARA) is an ultra-high energy ( eV) cosmic neutrino detector in phased construction near the South Pole. ARA searches for radio Cherenkov emissio…
Analysis of a Tau Neutrino Origin for the Near-Horizon Air Shower Events Observed by the Fourth Flight of the Antarctic Impulsive Transient Antenna (ANITA)
R. Prechelt, S. A. Wissel, A. Romero-Wolf +65
We study in detail the sensitivity of the Antarctic Impulsive Transient Antenna (ANITA) to possible point source fluxes detected via -lepton-induced air showers. This i…
Antarctic Radio Frequency Albedo and Implications for Cosmic Ray Reconstruction
D. Z. Besson, J. Stockham, M. Sullivan +42
From an elevation of ~38 km, the balloon-borne ANtarctic Impulsive Transient Antenna (ANITA) is designed to detect the up-coming radio frequency (RF) signal resulting from a sub-su…
A comprehensive analysis of anomalous ANITA events disfavors a diffuse tau-neutrino flux origin
A. Romero-Wolf, S. A. Wissel, H. Schoorlemmer +60
Recently, the ANITA collaboration reported on two upward-going extensive air shower events consistent with a primary particle that emerges from the surface of the ice. These events…
Unusual Near-horizon Cosmic-ray-like Events Observed by ANITA-IV
ANITA Collaboration, P. W. Gorham, A. Ludwig +57
ANITA's fourth long-duration balloon flight in late 2016 detected 29 cosmic-ray (CR)-like events on a background of anthropogenic events. CRs are mainly seen…
The Simulation of the Sensitivity of the Antarctic Impulsive Transient Antenna (ANITA) to Askaryan Radiation from Cosmogenic Neutrinos Interacting in the Antarctic Ice
L. Cremonesi, A. Connolly, P. Allison +57
A Monte Carlo simulation program for the radio detection of Ultra High Energy (UHE) neutrino interactions in the Antarctic ice as viewed by the Antarctic Impulsive Transient Antenn…