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Testing the Curvature Effect and Internal Origin of Gamma-Ray Burst Prompt Emissions and X-Ray Flares with Swift Data
The X-ray light curves of many GRBs have a steep tail following the gamma-rays and have some erratic flares. We assume that these tails and flares are of ``internal'' origin and that their decline…
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Calibration and characterization of the IceCube photomultiplier tube
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Discovery of the Onset of Rapid Accretion by a Dormant Massive Black Hole
Massive black holes are believed to reside at the centres of most galaxies. They can be- come detectable by accretion of matter, either continuously from a large gas reservoir or impulsively from the…
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IceCube sensitivity for low-energy neutrinos from nearby supernovae
This paper describes the response of the IceCube neutrino telescope located at the geographic south pole to outbursts of MeV neutrinos from the core collapse of nearby massive stars. IceCube was…
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An absence of neutrinos associated with cosmic-ray acceleration in γ-ray bursts
TLDR
An upper limit on the flux of energetic neutrinos associated with GRBs that is at least a factor of 3.7 below the predictions is reported, implying either that GRBs are not the only sources of cosmic rays with energies exceeding 1018 electronvolts or that the efficiency of neutrino production is much lower than has been predicted.
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Measurement of South Pole ice transparency with the IceCube LED calibration system
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Measurement of the atmospheric neutrino energy spectrum from 100 GeV to 400 TeV with IceCube
A measurement of the atmospheric muon neutrino energy spectrum from 100 GeV to 400 TeV was performed using a data sample of about 18 000 up-going atmospheric muon neutrino events in IceCube. Boosted…
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Gasdynamics of relativistically expanding gamma-ray burst sources : kinematics, energetics, magnetic fields, and efficiency
We calculate both analytically and numerically the evolution of highly relativistic fireballs through the stages of free expansion and coasting, and determine the dependence of the thermodynamic and…
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DISCOVERY OF A TRANSIENT GAMMA-RAY COUNTERPART TO FRB 131104
We report our discovery in Swift satellite data of a transient gamma-ray counterpart (3.2σ confidence) to the fast radio burst (FRB) FRB 131104, the first such counterpart to any FRB. The transient…
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The Swift satellite and redshifts of long gamma-ray bursts
Until 6 October 2005 sixteen redshifts had been measured of long gamma-ray bursts discovered by the Swift satellite. Further 45 redshifts have been measured of the long gamma- ray bursts discovered…
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