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Related papers: Dark Matter Searche with GLAST

200 papers

We study the prospects for detecting gamma-rays from decaying Dark Matter (DM), focusing in particular on gravitino DM in R-parity breaking vacua. Given the substantially different angular distribution of the predicted gamma-ray signal with…

Astrophysics · Physics 2009-01-06 Gianfranco Bertone , Wilfried Buchmuller , Laura Covi , Alejandro Ibarra

The Fermi Large Area Telescope (LAT) has been scanning the gamma-ray sky since 2008. The number of pulsars detected by the LAT now exceeds 200, making them by far the largest class of Galactic gamma-ray emitters. I discuss some of the…

High Energy Astrophysical Phenomena · Physics 2019-08-21 Pablo M. Saz Parkinson

Dark matter (DM) constitutes around a 25% of the Universe, while baryons only a 4%. DM can be reasonably assumed to be made of particles, and many theories (Super-symmetry, Universal Extra Dimensions, etc.) predict Weakly Interacting…

High Energy Astrophysical Phenomena · Physics 2022-03-02 A. Morselli , B. Canadas , V. Vitale

Several nearby ultra-faint satellites of the Milky Way discovered by the Dark Energy Survey (DES) during the last few years are promising targets for indirect dark matter (DM) searches with very-high-energy (VHE, E$\gtrsim$100 GeV) gamma…

High Energy Astrophysical Phenomena · Physics 2019-09-05 Lucia Rinchiuso , Emmanuel Moulin , Céline Armand , Vincent Poireau , H. E. S. S. Collaboration

High-energy gamma rays are promising tools to constrain or reveal the nature of dark matter, in particular Weakly Interacting Massive Particles. Being well into its pre-construction phase, the Cherenkov Telescope Array (CTA) will soon probe…

High Energy Astrophysical Phenomena · Physics 2021-08-23 Christopher Eckner

The Large Array Telescope for Tracking Energetic Sources (LATTES), is a novel concept for an array of hybrid EAS array detectors, composed of a Resistive Plate Counter array coupled to a Water Cherenkov Detector, planned to cover gamma rays…

Instrumentation and Methods for Astrophysics · Physics 2018-05-01 P. Assis , U. Barres de Almeida , A. Blanco , R. Conceição , B. D'Ettore Piazzoli , A. De Angelis , M. Doro , P. Fonte , L. Lopes , G. Matthiae , M. Pimenta , R. Shellard , B. Tomé

The detection of gamma-rays from dark matter (DM) annihilation is among the scientific goals of the Fermi Large Area Telescope (formerly known as GLAST) and Cherenkov telescopes. In this paper we investigate the existence of realistic…

Astrophysics · Physics 2009-11-13 L. Pieri , A. Pizzella , E. M. Corsini , E. Dalla Bonta' , F. Bertola

Analyzing data from GLAST's Large Area Telescope (LAT) will require sophisticated techniques. The PSF and effective area are functions of both photon energy and the position in the field-of-view. During most of the mission the observatory…

Astrophysics · Physics 2009-11-10 David L. Band , Seth W. Digel , the GLAST LAT Collaboration , the GSSC

The fast temporal structures and cosmological distances of gamma-ray bursts (GRBs) afford a natural laboratory for testing theories of frequency-dependent propagation of high-energy photons, as predicted for quantum gravity (QG). We…

Astrophysics · Physics 2007-05-23 J. P. Norris , J. T. Bonnell , G. F. Marani , J. D. Scargle

The MAGIC 17m-diameter Imaging Air Cherenkov Telescope (IACT) has been commissioned beginning of 2005. The telescope has been designed to achieve the lower detection energy threshold ever obtained with an IACT, about 50 GeV. A new window in…

Astrophysics · Physics 2007-05-23 J. Flix

Weakly Interacting Massive Particles (WIMPs) are a theoretical class of particles that are excellent dark matter candidates. WIMP annihilation or decay may produce essentially monochromatic gamma rays detectable by the Fermi Large Area…

High Energy Astrophysical Phenomena · Physics 2017-02-22 LAT Collaboration

The distribution of dark matter in the Galaxy, according to state-of-the-art simulations, shows not only a smooth halo component but also a rich substructure where a hierarchy of dark matter subhalos of different masses is found. We present…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Daniel Nieto

Due to a large mass-to-light ratio and low astrophysical backgrounds, dwarf spheroidal galaxies (dSphs) are considered to be one of the most promising targets for dark matter searches via gamma rays. The Fermi LAT Collaboration has recently…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Alex Drlica-Wagner

Galaxy clusters are the largest gravitationally bound objects in the universe and may be suitable targets for indirect dark matter searches. With 85 months of Fermi-LAT Pass 8 publicly available data, we analyze the gamma-ray emission in…

High Energy Astrophysical Phenomena · Physics 2016-05-27 Yun-Feng Liang , Zhao-Qiang Shen , Xiang Li , Yi-Zhong Fan , Xiaoyuan Huang , Shi-Jun Lei , Lei Feng , En-Wei Liang , Jin Chang

In May 2008 the long awaited NASA Satellite, GLAST was launched, which will study cosmic gamma rays. In August 2008, it is expected that the CERN's Large Hadron Collidor (LHC) will finally become operationized. This is found to unwield…

General Physics · Physics 2008-07-15 Burra G. Sidharth

We explore the concept of liquid Argon time projection chamber (TPC) for gamma-ray astronomy in the 100 MeV --- 1 TeV energy range. We propose a basic layout for such a telescope called MAST. Using a last-generation rocket such as Falcon…

High Energy Astrophysical Phenomena · Physics 2019-05-22 Timur Dzhatdoev , Egor Podlesnyi

The Large Area Telescope (LAT) instrument onboard GLAST offers a tremendous opportunity for future blazar studies. In order to fully benefit from its capabilities and to maximize the scientific return from the LAT, it is of great importance…

Astrophysics · Physics 2009-06-23 L. Fuhrmann , J. A. Zensus , T. P. Krichbaum , E. Angelakis , A. C. S. Readhead

The Fermi Gamma-ray Space Telescope is currently celebrating its 15th anniversary of operation. Since its launch, the Fermi-Large Area Telescope (LAT), the main instrument onboard the Fermi satellite, has remarkably unveiled the sky at GeV…

High Energy Astrophysical Phenomena · Physics 2025-09-10 Giacomo Principe