209 citations · 857 across the 23 of their papers we have counts for
26 papers
Sensitivity of the As-Built Askaryan Radio Array to Ultra-High Energy Neutrinos
ARA Collaboration, N. Alden, S. Ali +71
The Askaryan Radio Array (ARA) is an ultra-high energy (UHE) neutrino observatory designed to detect the impulsive radio waves produced by relativistic particle cascades in the Ant…
SVOM discovery of a strong X-ray outburst of the blazar 1ES~1959+650 and multi-wavelength follow-up with the Neil Gehrels Swift observatory
A. Foisseau, A. Coleiro, S. Komossa +37
On December 6, 2024, 1ES 1959+650, one of the X-ray brightest blazars known, underwent a high-amplitude X-ray outburst detected by SVOM, the first such discovery with this mission.…
Observation of In-ice Askaryan Radiation from High-Energy Cosmic Rays
ARA Collaboration, N. Alden, S. Ali +74
We present the first experimental evidence for in-ice Askaryan radiation -- coherent charge-excess radio emission -- from high-energy particle cascades developing in the Antarctic…
An Intermediate-mass Black Hole Lurking in A Galactic Halo Caught Alive during Outburst
C. -C. Jin, D. -Y. Li, N. Jiang +137
Stellar-mass and supermassive black holes abound in the Universe, whereas intermediate-mass black holes (IMBHs) of ~10^2-10^5 solar masses in between are largely missing observatio…
A fast X-ray transient from a weak relativistic jet associated with a type Ic-BL supernova
H. Sun, W. -X. Li, L. -D. Liu +163
Massive stars end their lives as core-collapse supernovae, amongst which some extremes are broad-lined type Ic supernovae from Wolf-Rayet stars associated with long-duration gamma-…
Modeling the refractive index profile n(z) of polar ice for ultra-high energy neutrino experiments
S. Ali, P. Allison, S. Archambault +67
We have developed an in-situ index of refraction profile n(z) for cold polar ice, using the transit times of radio signals broadcast from an englacial transmitter to 2-5 km distant…
Benefits of Looking for Coincident Events, Taus, and Muons with the Askaryan Radio Array
Abby Bishop, Austin Cummings, Ryan Krebs +1
Ultra-High Energy (UHE) neutrinos over eV have yet to be observed but the Askaryan Radio Array (ARA) is one in-ice neutrino observatory attempting to make this discovery.…
Calibration and Physics with ARA Station 1: A Unique Askaryan Radio Array Detector
M. F. H Seikh, D. Z. Besson, S. Ali +70
The Askaryan Radio Array Station 1 (A1), the first among five autonomous stations deployed for the ARA experiment at the South Pole, is a unique ultra-high energy neutrino (UHEN) d…
A low-threshold ultrahigh-energy neutrino search with the Askaryan Radio Array
P. Allison, S. Archambault, J. J. Beatty +77
In the pursuit of the measurement of the still-elusive ultrahigh-energy (UHE) neutrino flux at energies of order EeV, detectors using the in-ice Askaryan radio technique have incre…
Triboelectric Backgrounds to radio-based UHE Neutrino Exeperiments
J. A. Aguilar, A. Anker, P. Allison +114
The proposed IceCube-Gen2 (ICG2) seeks to instrument ~500 sq. km of Antarctic ice near the geographic South Pole with radio antennas, in order to observe the highest energy (E>1 Ee…
Constraints on the Diffuse Flux of Ultra-High Energy Neutrinos from Four Years of Askaryan Radio Array Data in Two Stations
ARA Collaboration, P. Allison, S. Archambault +71
The Askaryan Radio Array (ARA) is an ultra-high energy (UHE, eV) neutrino detector designed to observe neutrinos by searching for the radio waves emitted by the relativi…
Long-baseline horizontal radio-frequency transmission through polar ice
P. Allison, S. Archambault, J. J. Beatty +63
We report on analysis of englacial radio-frequency (RF) pulser data received over horizontal baselines of 1--5 km, based on broadcasts from two sets of transmitters deployed to dep…
Recent Results from The Askaryan Radio Array
ARA Collaboration, P. Allison, S. Archambault +61
The Askaryan Radio Array (ARA) is an ultra-high energy (UHE) neutrino telescope at the South Pole consisting of an array of radio antennas aimed at detecting the Askaryan radiation…
Design and Performance of an Interferometric Trigger Array for Radio Detection of High-Energy Neutrinos
P. Allison, S. Archambault, R. Bard +69
Ultra-high energy neutrinos are detectable through impulsive radio signals generated through interactions in dense media, such as ice. Subsurface in-ice radio arrays are a promisin…
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…
Measurement of the real dielectric permittivity epsilon_r of glacial ice
P. Allison, S. Archambault, J. Auffenberg +66
Using data collected by the Askaryan Radio Array (ARA) experiment at the South Pole, we have used long-baseline propagation of radio-frequency signals to extract information on the…
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 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 next generation Ultra-Fast Flash Observatory (UFFO-100) for IR/optical observations of the rise phase of gamma-ray bursts
B. Grossan, I. H. Park, S. Ahmad +39
The Swift Gamma-ray Burst (GRB) observatory responds to GRB triggers with optical observations in ~ 100 s, but cannot respond faster than ~ 60 s. While some ground-based telescopes…
Design and Fabrication of Detector Module for UFFO Burst Alert & Trigger Telescope
A. Jung, S. Ahmad, K. -B. Ahn +39
The Ultra-Fast Flash Observatory (UFFO) pathfinder is a space mission devoted to the measurement of Gamma-Ray Bursts (GRBs), especially their early light curves which will give cru…
The UFFO (Ultra Fast Flash Observatory) Pathfinder: Science and Mission
P. Chen, S. Ahmad, K. Ahn +39
Hundreds of gamma-ray burst (GRB) optical light curves have been measured since the discovery of optical afterglows. However, even after nearly 7 years of operation of the Swift Ob…
Detection and Imaging of the Crab Nebula with the Nuclear Compton Telescope
M. S. Bandstra, E. C. Bellm, S. E. Boggs +17
The Nuclear Compton Telescope (NCT) is a balloon-borne Compton telescope designed for the study of astrophysical sources in the soft gamma-ray regime (200 keV--20 MeV). NCT's ten h…
Design and Initial Performance of the Askaryan Radio Array Prototype EeV Neutrino Detector at the South Pole
P. Allison, J. Auffenberg, R. Bard +45
We report on studies of the viability and sensitivity of the Askaryan Radio Array (ARA), a new initiative to develop a Teraton-scale ultra-high energy neutrino detector in deep, ra…
Erratum: Observational Constraints on the Ultra-high Energy Cosmic Neutrino Flux from the Second Flight of the ANITA Experiment
P. W. Gorham, P. Allison, B. M. Baughman +35
This is an erratum to our paper in Physical Review D82:022004,2010, corresponding to preprint: arXiv:1003.2961 .