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Title: Pre-launch estimates for GLAST sensitivity to dark matter annihilation signals

Journal Article · · Journal of Cosmology and Astroparticle Physics
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  1. SLAC National Accelerator Lab., Menlo Park, CA (United States). Kavli Inst. for Particle Astrophysics & Cosmology (KIPAC)
  2. Univ. Pierre et Marie Curie, Paris (France). Institut d'Astrophysique de Paris
  3. Stockholm Univ. (Sweden). Dept. of Physics
  4. The Ohio State Univ., Columbus, OH (United States)
  5. Univ. of California, Santa Cruz, CA (United States). Santa Cruz Inst. for Particle Physics
  6. Univ. of Rome Tor Vergata (Italy). Istituto Nazionale di Fisica Nucleare (INFN)
  7. NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States). Center for Research and Exploration in Space Science & Technology (CRESST) and AstroParticle Physics Lab.
  8. Stanford Univ., CA (United States). Hansen Experimental Physics Lab. and Kavli Inst. for Particle Astrophysics and Cosmology
  9. Univ. of Montpellier (France)
  10. Univ. of Denver, CO (United States)
  11. Istituto Nazionale di Fisica Nucleare (INFN), Padova (Italy)
  12. Max Planck Inst. fur Extraterrestrische Physik, Garching (Germany)

Here, we investigate the sensitivity of the Gamma-ray Large Area Space Telescope (GLAST) to indirectly detect weakly interacting massive particles (WIMPs) through the γ-ray signal that their pair annihilation produces. WIMPs are among the favorite candidates to explain the compelling evidence that about 80% of the mass in the Universe is non-baryonic dark matter (DM). They are serendipitously motivated by various extensions of the standard model of particle physics such as Supersymmetry and Universal Extra Dimensions (UED). With its unprecedented sensitivity and its very large energy range (20 MeV to more than 300 GeV) the main instrument on board the GLAST satellite, the Large Area Telescope (LAT), will open a new window of discovery. As our estimates show, the LAT will be able to detect an indirect DM signature for a large class of WIMP models given a cuspy profile for the DM distribution. Using the current state of the art Monte Carlo and event reconstruction software developed within the LAT collaboration, we present preliminary sensitivity studies for several possible sources inside and outside the Galaxy. Lastly, we also discuss the potential of the LAT to detect UED via the electron/positron channel. Diffuse background modeling and other background issues that will be important in setting limits or seeing a signal are presented.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Organization:
USDOE; National Aeronautics and Space Administration (NASA)
Grant/Contract Number:
AC02-76SF00515; FG02-91ER40690
OSTI ID:
1357323
Journal Information:
Journal of Cosmology and Astroparticle Physics, Vol. 2008, Issue 07; ISSN 1475-7516
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 165 works
Citation information provided by
Web of Science

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Cited By (43)

Dark matter evidence, particle physics candidates and detection methods journal August 2012
Indirect searches for dark matter journal October 2012
Dark matter subhaloes as gamma-ray sources and candidates in the first Fermi -LAT catalogue journal February 2012
Non-abelian dark sectors and their collider signatures journal April 2009
Scalar multiplet dark matter journal July 2009
Particle models and the small-scale structure of dark matter journal October 2009
Pulsars as the sources of high energy cosmic ray positrons journal January 2009
Constraints on cosmological dark matter annihilation from the Fermi-LAT isotropic diffuse gamma-ray measurement journal April 2010
Exploring SUSY light Higgs boson scenarios via dark matter experiments journal December 2010
Fermi LAT search for internal bremsstrahlung signatures from dark matter annihilation journal July 2012
A tentative gamma-ray line from Dark Matter annihilation at the Fermi Large Area Telescope journal August 2012
Is the gamma-ray source 3FGL J2212.5+0703 a dark matter subhalo? journal May 2016
Gamma rays from dark matter subhalos revisited: refining the predictions and constraints journal April 2017
A Gaia DR2 search for dwarf galaxies towards Fermi-LAT sources: implications for annihilating dark matter journal July 2018
A theory of dark matter journal January 2009
Current and future constraints on dark matter from prompt and inverse-Compton photon emission in the isotropic diffuse gamma-ray background journal February 2012
The Aquarius Project: the subhaloes of galactic haloes journal December 2008
Physics at the $$e^+ e^-$$ e + e - linear collider journal August 2015
SEARCHING FOR DARK MATTER ANNIHILATION IN RECENTLY DISCOVERED MILKY WAY SATELLITES WITH FERMI -LAT journal January 2017
Farthest Neighbor: The Distant Milky Way Satellite Eridanus II journal March 2017
Ships Passing in the Night: Spectroscopic Analysis of Two Ultra-faint Satellites in the Constellation Carina journal April 2018
A Deeper Look at the New Milky Way Satellites: Sagittarius II, Reticulum II, Phoenix II, and Tucana III journal August 2018
Indirect searches for dark matter journal September 2014
Indirect searches for dark matter journal May 1999
Deducing the nature of dark matter from direct and indirect detection experiments in the absence of collider signatures of new physics text January 2008
A Theory of Dark Matter text January 2008
Pulsars as the Sources of High Energy Cosmic Ray Positrons text January 2008
Non-Abelian Dark Sectors and Their Collider Signatures text January 2009
Scalar Multiplet Dark Matter text January 2009
Constraints on Cosmological Dark Matter Annihilation from the Fermi-LAT Isotropic Diffuse Gamma-Ray Measurement text January 2010
Exploring SUSY light Higgs boson scenarios via dark matter experiments text January 2010
Current and Future Constraints on Dark Matter from Prompt and Inverse-Compton Photon Emission in the Isotropic Diffuse Gamma-ray Background text January 2010
Dark matter subhaloes as gamma-ray sources and candidates in the first Fermi-LAT catalogue text January 2011
Search for Dark Matter Satellites using the FERMI-LAT text January 2012
Fermi LAT Search for Internal Bremsstrahlung Signatures from Dark Matter Annihilation text January 2012
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Is The Gamma-Ray Source 3FGL J2212.5+0703 A Dark Matter Subhalo? text January 2016
Gamma Rays From Dark Matter Subhalos Revisited: Refining the Predictions and Constraints text January 2016
Searching for Dark Matter Annihilation in Recently Discovered Milky Way Satellites with Fermi-LAT text January 2016
Farthest Neighbor: The Distant Milky Way Satellite Eridanus II text January 2016
A Gaia DR2 search for dwarf galaxies towards Fermi-LAT sources: implications for annihilating dark matter text January 2018

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