Stringent Constraints On The Dark Matter Annihilation Cross Section From Subhalo Searches With The Fermi Gamma-Ray Space Telescope [PDF]
, 2013 The dark matter halo of the Milky Way is predicted to contain a very large number of smaller subhalos. As a result of the dark matter annihilations taking place within such objects, the most nearby and massive subhalos could appear as point-like or ...
A. Berlin, D. Hooper
semanticscholar +1 more source
Dark matter line search using a joint analysis of dwarf galaxies with the Fermi Gamma-ray Space Telescope [PDF]
, 2012 We perform a joint analysis of dwarf galaxy data from the Fermi Gamma-ray Space Telescope in search of dark matter annihilation into a gamma-ray line. We employ a novel statistical method that takes into account the spatial and spectral information of ...
A. Geringer-Sameth, S. Koushiappas
semanticscholar +1 more source
SEARCH FOR DARK MATTER WITH GAMMA-RAYS: A REVIEW
Acta Polytechnica, 2013 Successfully launched in June 2008, the Fermi Gamma-ray Space Telescope, formerly named GLAST, has been observing the high-energy gamma-ray sky with unprecedented sensitivity inthe 20MeV ÷ 300 GeV energy range and electrons + positrons in the 7 GeV ...
Aldo Morselli
doaj +1 more source
Gamma-ray Emission from Globular Clusters [PDF]
Journal of Astronomy and Space Sciences, 2016 Over the last few years, the data obtained using the Large Area Telescope (LAT) aboard the Fermi Gamma-ray Space Telescope has provided new insights on high-energy processes in globular clusters, particularly those involving compact objects such as ...
Pak-Hin T. Tam +2 more
doaj +1 more source
Fermi: Monitoring the Gamma-Ray Universe
Galaxies, 2018 Since 2008, the Large Area Telescope and the Gamma-ray Burst Monitor on the Fermi Gamma-ray Space Telescope have been monitoring the entire sky at energies from about 8 keV to more than 1 TeV.
David J. Thompson
doaj +1 more source
XStorm: A New Gamma Ray Spectrometer for Detection of Close Proximity Gamma Ray Glows and TGFs
Journal of Geophysical Research: Atmospheres, Volume 128, Issue 24, 27 December 2023., 2023 Abstract In this paper, we present XStorm, a gamma ray spectrometer developed to detect gamma ray glows and terrestrial gamma ray flashes (TGFs) in close proximity. Measurements are mostly planned to take place on balloon campaigns but also on the ground using bigger detectors.
Melody Pallu +4 more
wiley +1 more source
Latest Results from the Fermi Gamma-Ray Telescope
Acta Polytechnica CTU Proceedings, 2014 Can we learn about New Physics with astronomical and astro-particle data? Since its launch in 2008, the Large Area Telescope, onboard of the Fermi Gamma-ray Space Telescope, has detected the largest amount of gamma rays in the 20 MeV - 300 GeV energy ...
Aldo Morselli
doaj +1 more source
Exploring the extreme universe with the Fermi Gamma-Ray Space Telescope
Physics Today, 2012 D. Thompson, S. Digel, J. Racusin
exaly +2 more sources
Fast γ-ray Variability: A Common Feature and Powerful Probe for Jetted AGNs
Galaxies, 2018 Among the highly dynamical non-thermal universe, flashes of γ-ray photons from jets in active galactic nuclei (AGNs) are always attractive. Not only are they extraordinary observational phenomena, but they also become powerful probes of the jets ...
Neng-hui Liao
doaj +1 more source
Source detection using a 3D sparse representation: application to the Fermi gamma-ray space telescope [PDF]
, 2009 The multiscale variance stabilization Transform (MSVST) has recently been proposed for Poisson data denoising. This procedure, which is nonparametric, is based on thresholding wavelet coefficients. We present in this paper an extension of the MSVST to 3D
Jean-Luc Starck +4 more
semanticscholar +1 more source