Constraining Dark Matter Models from a Combined Analysis of Milky Way Satellites with the Fermi Large Area Telescope
Abstract
Satellite galaxies of the Milky Way are among the most promising targets for dark matter searches in gamma rays. We present a search for dark matter consisting of weakly interacting massive particles, applying a joint likelihood analysis to 10 satellite galaxies with 24 months of data of the Fermi Large Area Telescope. No dark matter signal is detected. Including the uncertainty in the dark matter distribution, robust upper limits are placed on dark matter annihilation cross sections. The 95% con dence level upper limits range from about 10-26 cm3s-1 at 5 GeV to about 5 X10-23 cm3s-1 at 1 TeV, depending on the dark matter annihilation nal state. For the rst time, using gamma rays, we are able to rule out models with the most generic cross section (~ 3 X 10-26 cm3s-1 for a purely s-wave cross section), without assuming additional boost factors.
- Authors:
-
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); et al.
- Publication Date:
- Research Org.:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE
- Contributing Org.:
- The Fermi-LAT Collaboration
- OSTI Identifier:
- 1356782
- Alternate Identifier(s):
- OSTI ID: 1098376
- Grant/Contract Number:
- AC02-76SF00515
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 107; Journal Issue: 24; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS
Citation Formats
Ackermann, M. Constraining Dark Matter Models from a Combined Analysis of Milky Way Satellites with the Fermi Large Area Telescope. United States: N. p., 2011.
Web. doi:10.1103/PhysRevLett.107.241302.
Ackermann, M. Constraining Dark Matter Models from a Combined Analysis of Milky Way Satellites with the Fermi Large Area Telescope. United States. https://doi.org/10.1103/PhysRevLett.107.241302
Ackermann, M. 2011.
"Constraining Dark Matter Models from a Combined Analysis of Milky Way Satellites with the Fermi Large Area Telescope". United States. https://doi.org/10.1103/PhysRevLett.107.241302. https://www.osti.gov/servlets/purl/1356782.
@article{osti_1356782,
title = {Constraining Dark Matter Models from a Combined Analysis of Milky Way Satellites with the Fermi Large Area Telescope},
author = {Ackermann, M.},
abstractNote = {Satellite galaxies of the Milky Way are among the most promising targets for dark matter searches in gamma rays. We present a search for dark matter consisting of weakly interacting massive particles, applying a joint likelihood analysis to 10 satellite galaxies with 24 months of data of the Fermi Large Area Telescope. No dark matter signal is detected. Including the uncertainty in the dark matter distribution, robust upper limits are placed on dark matter annihilation cross sections. The 95% con dence level upper limits range from about 10-26 cm3s-1 at 5 GeV to about 5 X10-23 cm3s-1 at 1 TeV, depending on the dark matter annihilation nal state. For the rst time, using gamma rays, we are able to rule out models with the most generic cross section (~ 3 X 10-26 cm3s-1 for a purely s-wave cross section), without assuming additional boost factors.},
doi = {10.1103/PhysRevLett.107.241302},
url = {https://www.osti.gov/biblio/1356782},
journal = {Physical Review Letters},
issn = {0031-9007},
number = 24,
volume = 107,
place = {United States},
year = {Thu Dec 01 00:00:00 EST 2011},
month = {Thu Dec 01 00:00:00 EST 2011}
}
Web of Science
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A new probe of the small-scale primordial power spectrum: astrometric microlensing by ultracompact minihalos
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A Tentative Gamma-Ray Line from Dark Matter Annihilation at the Fermi Large Area Telescope
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Dark matter line search using a joint analysis of dwarf galaxies with the Fermi Gamma-ray Space Telescope
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Constraining Very Heavy Dark Matter Using Diffuse Backgrounds of Neutrinos and Cascaded Gamma Rays
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Phenomenology of Light Sneutrino Dark Matter in cMSSM/mSUGRA with Inverse Seesaw
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Bounds on Dark Matter Interactions with Electroweak Gauge Bosons
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The core size of the Fornax dwarf Spheroidal
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On the spin-dependent sensitivity of XENON100
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Radiative natural supersymmetry: Reconciling electroweak fine-tuning and the Higgs boson mass
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IceCube Search for Dark Matter Annihilation in nearby Galaxies and Galaxy Clusters
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An Updated Analysis of Inert Higgs Doublet Model in light of the Recent Results from LUX, PLANCK, AMS-02 and LHC
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Dark Matter Constraints from Observations of 25 Milky Way Satellite Galaxies with the Fermi Large Area Telescope
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Constraints on particle dark matter from cosmic-ray antiprotons
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Searching for Dark Matter at Hadron Colliders
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Spherical Jeans analysis for dark matter indirect detection in dwarf spheroidal galaxies - Impact of physical parameters and triaxiality
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What Does The PAMELA Antiproton Spectrum Tell Us About Dark Matter?
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A Comprehensive Search for Dark Matter Annihilation in Dwarf Galaxies
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The Effects of QCD Equation of State on the Relic Density of WIMP Dark Matter
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On The Gamma-Ray Emission From Reticulum II and Other Dwarf Galaxies
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WIMP searches with gamma rays in the Fermi era: challenges, methods and results
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Strong Optimized Conservative Fermi-LAT Constraints on Dark Matter Models from the Inclusive Photon Spectrum
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Dirac-Fermionic Dark Matter in $U(1)_X$ Models
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A critical reassessment of particle Dark Matter limits from dwarf satellites
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A review of indirect searches for particle dark matter
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Indirect Dark Matter Detection for Flattened Dwarf Galaxies
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Dwarf spheroidal J-factors without priors: A likelihood-based analysis for indirect dark matter searches
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Searching for Dark Matter Annihilation in Recently Discovered Milky Way Satellites with Fermi-LAT
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The Waning of the WIMP? A Review of Models, Searches, and Constraints
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Global fits of GUT-scale SUSY models with GAMBIT
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A Precision Search for WIMPs with Charged Cosmic Rays
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Model-independent constraints on dark matter annihilation in dwarf spheroidal galaxies
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Snake in the Clouds: A new nearby dwarf galaxy in the Magellanic bridge
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Dwarf spheroidal $J$-factor likelihoods for generalized NFW profiles
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A Global Analysis of Dark Matter Signals from 27 Dwarf Spheroidal Galaxies using 11 Years of Fermi-LAT Observations
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{\it Fermi}-LAT Stacking Analysis Technique: An Application to Extreme Blazars and Prospects for their CTA Detection
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An Introduction to Particle Dark Matter
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