output
19922026
Showing 2014 · astro-ph.HEShow all

23 papers · 2 filters

astro-ph.HE2014★ 8 cited

Particles under radiation thrust in Schwarzschild space-time from a flux perpendicular to the equatorial plane

Donato Bini, Andrea Geralico, Robert T. Jantzen +1

Motivated by the picture of a thin accretion disc around a black hole, radiating mainly in the direction perpendicular to its plane, we study the motion of test particles interacti…

astro-ph.HE2014★ 8 cited

The XMM deep survey in the CDF-S VIII. X-ray properties of the two brightest sources

K. Iwasawa, C. Vignali, A. Comastri +7

We present results from the deep XMM-Newton observations of the two brightest X-ray sources in the Chandra Deep Field South (CDFS), PID 203 (z=0.544) and PID 319 (z=0.742). The lon…

astro-ph.HE2014★ 74 cited

Searches for continuous gravitational waves from nine young supernova remnants

J. Aasi, B. P. Abbott, R. Abbott +887

We describe directed searches for continuous gravitational waves in data from the sixth LIGO science data run. The targets were nine young supernova remnants not associated with pu…

astro-ph.HE2014★ 67 cited

Selection effects in Gamma Ray Bursts correlations: consequences on the ratio between GRB and star formation rates

Maria Giovanna Dainotti, Roberta Del Vecchio, Shigehiro Nagataki +1

Gamma Ray Bursts (GRBs) visible up to very high redshift have become attractive targets as potential new distance indicators. It is still not clear whether the relations proposed s…

astro-ph.HE2014★ 61 cited

Large scale distribution of ultra high energy cosmic rays detected at the Pierre Auger Observatory with zenith angles up to 80

The Pierre Auger Collaboration

We present the results of an analysis of the large angular scale distribution of the arrival directions of cosmic rays with energy above 4 EeV detected at the Pierre Auger Observat…

astro-ph.HE2014★ 210 cited

Searches for Anisotropies in the Arrival Directions of the Highest Energy Cosmic Rays Detected by the Pierre Auger Observatory

Pierre Auger Collaboration

We analyze the distribution of arrival directions of ultra-high energy cosmic rays recorded at the Pierre Auger Observatory in 10 years of operation. The data set, about three time…

astro-ph.HE2014★ 10 cited

Radiation drag in the field of a non-spherical source

Donato Bini, Andrea Geralico, Andrea Passamonti

The motion of a test particle in the gravitational field of a non-spherical source endowed with both mass and mass quadrupole moment is investigated when a test radiation field is…

astro-ph.HE2014★ 17 cited

Search for patterns by combining cosmic-ray energy and arrival directions at the Pierre Auger Observatory

The Pierre Auger Collaboration

Energy-dependent patterns in the arrival directions of cosmic rays are searched for using data of the Pierre Auger Observatory. We investigate local regions around the highest-ener…

astro-ph.HE2014★ 309 cited

Depth of Maximum of Air-Shower Profiles at the Pierre Auger Observatory: Composition Implications

Pierre Auger Collaboration

Using the data taken at the Pierre Auger Observatory between December 2004 and December 2012, we have examined the implications of the distributions of depths of atmospheric shower…

astro-ph.HE2014★ 390 cited

Depth of Maximum of Air-Shower Profiles at the Pierre Auger Observatory: Measurements at Energies above 10^17.8 eV

Pierre Auger Collaboration

We report a study of the distributions of the depth of maximum, Xmax, of extensive air-shower profiles with energies above 10^17.8 eV as observed with the fluorescence telescopes o…

astro-ph.HE2014★ 10 cited

Constraining the neutrino emission of gravitationally lensed Flat-Spectrum Radio Quasars with ANTARES data

S. Adrián-Martínez, A. Albert, M. André +134

This paper proposes to exploit gravitational lensing effects to improve the sensitivity of neutrino telescopes to the intrinsic neutrino emission of distant blazar populations. Thi…

astro-ph.HE2014★ 259 cited

Muons in air showers at the Pierre Auger Observatory: Mean number in highly inclined events

Pierre Auger Collaboration

We present the first hybrid measurement of the average muon number in air showers at ultra-high energies, initiated by cosmic rays with zenith angles between and $80^\ci…

astro-ph.HE2014★ 177 cited

Measurement of boron and carbon fluxes in cosmic rays with the PAMELA experiment

O. Adriani, G. C. Barbarino, G. A. Bazilevskaya +61

The propagation of cosmic rays inside our galaxy plays a fundamental role in shaping their injection spectra into those observed at Earth. One of the best tools to investigate this…

astro-ph.HE2014★ 45 cited

Methods and results of a search for gravitational waves associated with gamma-ray bursts using the GEO600, LIGO, and Virgo detectors

The LIGO Scientific Collaboration, the Virgo Collaboration, J. Aasi +889

In this paper we report on a search for short-duration gravitational wave bursts in the frequency range 64 Hz-1792 Hz associated with gamma-ray bursts (GRBs), using data from GEO60…

astro-ph.HE2014★ 99 cited

Identification of the TeV Gamma-ray Source ARGO J2031+4157 with the Cygnus Cocoon

YBJ Collaboration, B. Bartoli, P. Bernardini +80

The extended TeV gamma-ray source ARGO J2031+4157 (or MGRO J2031+41) is positionally consistent with the Cygnus Cocoon discovered by -LAT at GeV energies in the Cygnus super…

astro-ph.HE2014★ 23 cited

A Targeted Search for Point Sources of EeV Neutrons

The Pierre Auger Collaboration, A. Aab, P. Abreu +482

A flux of neutrons from an astrophysical source in the Galaxy can be detected in the Pierre Auger Observatory as an excess of cosmic-ray air showers arriving from the direction of…

astro-ph.HE2014★ 37 cited

A search for point sources of EeV photons

Pierre Auger Collaboration, A. Aab, P. Abreu +483

Measurements of air showers made using the hybrid technique developed with the fluorescence and surface detectors of the Pierre Auger Observatory allow a sensitive search for point…

astro-ph.HE2014★ 10 cited

The Luminosity Function of Low Mass X-Ray Binaries in the Globular Cluster System of NGC 1399

Giuseppe D'Ago, Maurizio Paolillo, Giuseppina Fabbiano +5

We present a study of the faint-end of the X-ray Luminosity Function of Low Mass X-ray binaries in the Globular Cluster system of the cD galaxy NGC 1399 by performing a stacking ex…

astro-ph.HE2014★ 43 cited

Search for gravitational waves associated with gamma-ray bursts detected by the InterPlanetary Network

The LIGO Scientific Collaboration, the Virgo Collaboration, J. Aasi +901

We present the results of a search for gravitational waves associated with 223 gamma-ray bursts (GRBs) detected by the InterPlanetary Network (IPN) in 2005-2010 during LIGO's fifth…

astro-ph.HE2014★ 132 cited

Probing the radio emission from air showers with polarization measurements

Pierre Auger Collaboration

The emission of radio waves from air showers has been attributed to the so-called geomagnetic emission process. At frequencies around 50 MHz this process leads to coherent radiatio…

astro-ph.HE2014★ 3 cited

A Search for Time Dependent Neutrino Emission from Microquasars with the ANTARES Telescope

S. Adrián-Martínez, A. Albert, M. André +143

Results are presented on a search for neutrino emission from a sample of six microquasars, based on the data collected by the ANTARES neutrino telescope between 2007 and 2010. By m…

astro-ph.HE2014★ 31 cited

Energy Spectrum of Cosmic Protons and Helium Nuclei by a Hybrid Measurement at 4300 m a.s.l

B. Bartoli, P. Bernardini, X. J. Bi +97

The energy spectrum of cosmic Hydrogen and Helium nuclei has been measured, below the so-called "knee", by using a hybrid experiment with a wide field-of-view Cherenkov telescope a…

astro-ph.HE2014★ 13 cited

Searches for clustering in the time integrated skymap of the ANTARES neutrino telescope

S. Adrián-Martínez, A. Albert, M. André +133

This paper reports a search for spatial clustering of the arrival directions of high energy muon neutrinos detected by the ANTARES neutrino telescope. An improved two-point correla…