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The GLAST satellite mission will study the gamma ray sky with considerably greater exposure than its predecessor EGRET. In addition, it will be capable of measuring the arrival directions of gamma rays with much greater precision. These…

Astrophysics · Physics 2008-11-26 Scott Dodelson , Dan Hooper , Pasquale D. Serpico

We present quantitative predictions for the detectability of individual Galactic dark matter subhalos in gamma-rays from dark matter pair annihilations in their centers. Our method is based on a hybrid approach, employing the highest…

Astrophysics · Physics 2009-11-13 Michael Kuhlen , Jürg Diemand , Piero Madau

The Gamma-Ray Large Area Space Telescope (GLAST), scheduled to be launched in Fall 2007, is a next generation high energy gamma-ray observatory. The Large Area Telescope (LAT) instrument on-board GLAST with a wide field of view ($>$ 2 sr),…

Astrophysics · Physics 2019-08-13 E. Nuss

Upcoming $\gamma$-ray satellites will search for Dark Matter annihilations in Milky Way substructures (or 'clumps'). The prospects for detecting these objects strongly depend on the assumptions made on the distribution of Dark Matter in…

Astrophysics · Physics 2008-11-26 L. Pieri , G. Bertone , E Branchini

We discuss the possibility of GLAST detecting gamma-rays from the annihilation of neutralino dark matter in the Galactic halo. We have used "Via Lactea", currently the highest resolution simulation of Galactic cold dark matter substructure,…

Astrophysics · Physics 2009-06-23 Michael Kuhlen , Jürg Diemand , Piero Madau

Atmospheric Cerenkov Telescopes, including HESS and MAGIC, have detected a spectrum of gamma-rays from the galactic center region which extends from $\sim$200 GeV or lower, to at least $\sim$10 TeV. Although the source of this radiation is…

Astrophysics · Physics 2008-11-26 Gabrijela Zaharijas , Dan Hooper

In this paper we study the detectability of $\gamma$-rays from dark matter annihilation in the subhalos of the Milky Way by the satellite-based experiments, EGRET and GLAST. We work in the frame of supersymmetric extension of the standard…

Astrophysics · Physics 2008-11-26 Xiao-Jun Bi

We study the prospects for detecting gamma-rays from Dark Matter (DM) annihilations in enhancements of the DM density (mini-spikes) around intermediate-mass black holes with masses in the range $10^2 \lsim M / \msun \lsim 10^6$. Focusing on…

Astrophysics · Physics 2008-11-26 Gianfranco Bertone , Andrew R. Zentner , Joseph Silk

We investigate the sensitivity of the Gamma-ray Large Area Space Telescope (GLAST) to indirectly detect weakly interacting massive particles (WIMPs) through the $\gamma$-ray signal that their pair annihilation produces. WIMPs are among the…

The GLAST Large Area Telescope, scheduled for launch in 2006, is a next generation space based gamma ray telescope which will improve in point source sensitivity by a factor of 30 over that of EGRET below 10 GeV, and extend beyond EGRET up…

Astrophysics · Physics 2007-05-23 Lawrence Wai

Indirect detection of particle dark matter relies upon pair annihilation of Weakly Interaction Massive Particles (WIMPs), which is complementary to the well known techniques of direct detection (WIMP-nucleus scattering) and collider…

Astrophysics · Physics 2008-11-26 Lawrence Wai , GLAST LAT Collaboration

In this article, we review the prospects for the Fermi satellite (formerly known as GLAST) to detect gamma rays from dark matter annihilations in the Central Region of the Milky Way, in particular on the light of the recent astrophysical…

High Energy Physics - Phenomenology · Physics 2015-03-13 Pasquale Dario Serpico , Dan Hooper

We study the potential of GLAST to unveil particle dark matter properties with gamma-ray observations of the Galactic center region. We present full GLAST simulations including all gamma-ray sources known to date in a region of 4 degrees…

Astrophysics · Physics 2009-07-07 Tesla E. Jeltema , Stefano Profumo

A brief review of the indirect detection signatures of dark matter is given. In particular, detection methods of dark matter particle annihilation to antimatter and gamma-rays are reviewed. With the GLAST satellite soon to be launched, a…

Astrophysics · Physics 2008-11-26 Lars Bergstrom

Observations by the WMAP experiment have identified an excess of microwave emission from the center of the Milky Way. It has previously been shown that this "WMAP Haze" could be synchrotron emission from relativistic electrons and positrons…

Astrophysics · Physics 2008-11-26 Dan Hooper , Gabrijela Zaharijas , Douglas P. Finkbeiner , Gregory Dobler

The Gamma-Ray Large Area Space Telescope (GLAST), scheduled to be launched in fall 2007, is the next generation satellite for high-energy gamma-ray astronomy. The Large Area Telescope (LAT), GLAST main instrument, with a wide field of view…

Astrophysics · Physics 2009-06-23 E. Nuss

The nature of the cosmic dark matter is unknown. The most compelling hypothesis is that dark matter consists of weakly interacting massive particles (WIMPs) in the 100 GeV mass range. Such particles would annihilate in the galactic halo,…

Astrophysics · Physics 2009-11-11 Edward A. Baltz , James E. Taylor , Lawrence L. Wai

Analytical calculations and recent numerical experiments have shown that a sizable of the mass in our Galaxy is in a form of clumpy, virialized substructures that, according to \cite{dms:05}, can be as light as $10^{-6} \msun$. In this work…

Astrophysics · Physics 2009-11-11 Lidia Pieri , Enzo Branchini , Stefan Hofmann

The GLAST LAT Collaboration is one among several experimental groups, covering a wide range of approaches, pursuing the search for the nature of dark matter. The GLAST LAT has the unique ability to find new sources of high energy gamma…

Astrophysics · Physics 2008-11-26 Lawrence Wai , GLAST LAT Collaboration

We discuss the possibility of identification of point-like gamma-ray sources (PGS) with small scale dark matter (DM) clumps in our Galaxy. Gamma-rays are supposed to originate from annihilation of DM particles in the clumps, where…

High Energy Astrophysical Phenomena · Physics 2014-04-09 K. M. Belotsky , A. A. Kirillov , M. Yu. Khlopov
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