activity
20102020
most citedThe spectrum of isotropic diffuse gamma-ray emission between 100 MeV and 820 GeV

823 citations · 4.1k across the 23 of their papers we have counts for

collaborators
Showing astro-ph.HEShow all

18 papers · 1 filter

astro-ph.HE2018★ 53 cited

Einstein@Home discovers a radio-quiet gamma-ray millisecond pulsar

C. J. Clark, H. J. Pletsch, J. Wu +18

Millisecond pulsars (MSPs) are old neutron stars that spin hundreds of times per second and appear to pulsate as their emission beams cross our line of sight. To date, radio pulsat…

astro-ph.HE2017★ 413 cited

The Fermi Galactic Center GeV Excess and Implications for Dark Matter

LAT Collaboration

The region around the Galactic center (GC) is now well established to be brighter at energies of a few GeV than expected from conventional models of diffuse gamma-ray emission and…

astro-ph.HE2016★ 62 cited

The angular power spectrum of the diffuse gamma-ray emission as measured by the Fermi Large Area Telescope and constraints on its Dark Matter interpretation

Mattia Fornasa, Alessandro Cuoco, Jesus Zavala +8

The isotropic gamma-ray background arises from the contribution of unresolved sources, including members of confirmed source classes and proposed gamma-ray emitters such as the rad…

astro-ph.HE2016★ 129 cited

Sensitivity Projections for Dark Matter Searches with the Fermi Large Area Telescope

Eric Charles, Miguel Sanchez-Conde, Brandon Anderson +22

The nature of dark matter is a longstanding enigma of physics; it may consist of particles beyond the Standard Model that are still elusive to experiments. Among indirect search te…

astro-ph.HE2016★ 69 cited

Fermi-LAT Observations of the LIGO event GW150914

LAT collaboration

The Fermi Large Area Telescope (LAT) has an instantaneous field of view covering of the sky and completes a survey of the full sky every ~3 hours. It provides a continuo…

astro-ph.HE2015★ 15 cited

The Gamma-ray Afterglows of Tidal Disruption Events

Xian Chen, Germán Gómez-Vargas, James Guillochon

A star wandering too close to a supermassive black hole (SMBH) will be tidally disrupted. Previous studies of such "tidal disruption event" (TDE) mostly focus on the stellar debris…

astro-ph.HE2015★ 266 cited

The 1st Fermi Lat Supernova Remnant Catalog

Fabio Acero, Markus Ackermann, Marco Ajello +156

To uniformly determine the properties of supernova remnants (SNRs) at high energies, we have developed the first systematic survey at energies from 1 to 100 GeV using data from the…

astro-ph.HE2015★ 405 cited

Fermi-LAT Observations of High-Energy Gamma-Ray Emission Toward the Galactic Center

LAT Collaboration

The Fermi Large Area Telescope (LAT) has provided the most detailed view to date of the emission towards the Galactic centre (GC) in high-energy gamma-rays. This paper describes th…

astro-ph.HE2015★ 313 cited

Updated Search for Spectral Lines from Galactic Dark Matter Interactions with Pass 8 Data from the Fermi Large Area Telescope

LAT Collaboration

Dark matter in the Milky Way may annihilate directly into gamma rays, producing a monoenergetic spectral line. Therefore, detecting such a signature would be strong evidence for da…

astro-ph.HE2014★ 823 cited

The spectrum of isotropic diffuse gamma-ray emission between 100 MeV and 820 GeV

The Fermi LAT collaboration, M. Ackermann, M. Ajello +142

The γ-ray sky can be decomposed into individually detected sources, diffuse emission attributed to the interactions of Galactic cosmic rays with gas and radiation fields, and a res…

astro-ph.HE2014★ 330 cited

The Spectrum and Morphology of the Fermi Bubbles

LAT Collaboration

The Fermi bubbles are two large structures in the gamma-ray sky extending to above and below the Galactic center. We analyze 50 months of Fermi Large Area Telescope data…

astro-ph.HE2014★ 18 cited

Searching for Dark Matter Annihilation in the Smith High-Velocity Cloud

Alex Drlica-Wagner, German A. Gomez-Vargas, John W. Hewitt +2

Recent observations suggest that some high-velocity clouds may be confined by massive dark matter halos. In particular, the proximity and proposed dark matter content of the Smith…

astro-ph.HE2014★ 71 cited

Search for 100 MeV to 10 GeV gamma-ray lines in the Fermi-LAT data and implications for gravitino dark matter in the SSM

Andrea Albert, German A. Gomez-Vargas, Michael Grefe +6

Dark matter decay or annihilation may produce monochromatic signals in the gamma-ray energy range. In this work we argue that there are strong theoretical motivations for studying…

astro-ph.HE2014

Inferred cosmic-ray spectrum from -LAT -ray observations of the Earth's limb

LAT Collaboration, M. Ackermann, M. Ajello +150

Recent accurate measurements of cosmic-ray (CR) species by ATIC-2, CREAM, and PAMELA reveal an unexpected hardening in the proton and He spectra above a few hundred GeV, a gradual…

astro-ph.HE2013★ 475 cited

Dark Matter Constraints from Observations of 25 Milky Way Satellite Galaxies with the Fermi Large Area Telescope

LAT Collaboration, M. Ackermann, A. Albert +119

The dwarf spheroidal satellite galaxies of the Milky Way are some of the most dark-matter-dominated objects known. Due to their proximity, high dark matter content, and lack of ast…

astro-ph.HE2013★ 64 cited

Constraints on WIMP Annihilation for Contracted Dark Matter in the Inner Galaxy with the Fermi-LAT

German A. Gomez-Vargas, Miguel A. Sanchez-Conde, Ji-Haeng Huh +7

We derive constraints on parameters of generic dark matter candidates by comparing theoretical predictions with the gamma-ray emission observed by the Fermi-LAT from the region aro…

astro-ph.HE2013★ 247 cited

Search for Gamma-ray Spectral Lines with the Fermi Large Area Telescope and Dark Matter Implications

LAT Collaboration

Weakly Interacting Massive Particles (WIMPs) are a theoretical class of particles that are excellent dark matter candidates. WIMP annihilation or decay may produce essentially mono…

astro-ph.HE2010

Measurement of anisotropies in the large-scale diffuse gamma-ray emission

G. A. Gomez-Vargas

We have performed the first measurement of the angular power spectrum in the large-scale diffuse emission at energies from 1-50 GeV. We compared results from data and a simulated m…