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Title: Searching for dark matter annihilation from Milky Way dwarf spheroidal galaxies with six years of Fermi Large Area Telescope data

Abstract

The dwarf spheroidal satellite galaxies (dSphs) of the MilkyWay are some of the most dark matter (DM) dominated objects known. We report on gamma-ray observations of Milky Way dSphs based on 6 years of Fermi Large Area Telescope data processed with the new Pass 8 event-level analysis. None of the dSphs are signi cantly detected in gamma rays, and we present upper limits on the DM annihilation cross section from a combined analysis of 15 dSphs. These constraints are among the strongest and most robust to date and lie below the canonical thermal relic cross section for DM of mass ≲100 GeV annihilating via quark and τ-lepton channels.

Authors:
 [1]
  1. Deutsches Elektronen-Synchrotron (DESY), Zeuthen (Germany). et al.
Publication Date:
Research Org.:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Org.:
Fermi-LAT; The Fermi-LAT Collaboration
OSTI Identifier:
1234886
Alternate Identifier(s):
OSTI ID: 1227524; OSTI ID: 1354855
Report Number(s):
FERMILAB-PUB-15-081-AE
Journal ID: ISSN 0031-9007; PRLTAO; arXiv eprint number arXiv:1503.02641
Grant/Contract Number:  
AC02-07CH11359; FIRB-2012-RBFR12PM1F; AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 115; Journal Issue: 23; 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. Searching for dark matter annihilation from Milky Way dwarf spheroidal galaxies with six years of Fermi Large Area Telescope data. United States: N. p., 2015. Web. doi:10.1103/PhysRevLett.115.231301.
Ackermann, M. Searching for dark matter annihilation from Milky Way dwarf spheroidal galaxies with six years of Fermi Large Area Telescope data. United States. https://doi.org/10.1103/PhysRevLett.115.231301
Ackermann, M. Mon . "Searching for dark matter annihilation from Milky Way dwarf spheroidal galaxies with six years of Fermi Large Area Telescope data". United States. https://doi.org/10.1103/PhysRevLett.115.231301. https://www.osti.gov/servlets/purl/1234886.
@article{osti_1234886,
title = {Searching for dark matter annihilation from Milky Way dwarf spheroidal galaxies with six years of Fermi Large Area Telescope data},
author = {Ackermann, M.},
abstractNote = {The dwarf spheroidal satellite galaxies (dSphs) of the MilkyWay are some of the most dark matter (DM) dominated objects known. We report on gamma-ray observations of Milky Way dSphs based on 6 years of Fermi Large Area Telescope data processed with the new Pass 8 event-level analysis. None of the dSphs are signi cantly detected in gamma rays, and we present upper limits on the DM annihilation cross section from a combined analysis of 15 dSphs. These constraints are among the strongest and most robust to date and lie below the canonical thermal relic cross section for DM of mass ≲100 GeV annihilating via quark and τ-lepton channels.},
doi = {10.1103/PhysRevLett.115.231301},
journal = {Physical Review Letters},
number = 23,
volume = 115,
place = {United States},
year = {Mon Nov 30 00:00:00 EST 2015},
month = {Mon Nov 30 00:00:00 EST 2015}
}

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SEARCHING FOR DARK MATTER ANNIHILATION IN RECENTLY DISCOVERED MILKY WAY SATELLITES WITH FERMI -LAT
journal, January 2017


Spectral and spatial analysis of the dark matter subhalo candidates among Fermi Large Area Telescope unidentified sources
journal, November 2019

  • Coronado-Blázquez, Javier; Sánchez-Conde, Miguel A.; Mauro, Mattia Di
  • Journal of Cosmology and Astroparticle Physics, Vol. 2019, Issue 11
  • DOI: 10.1088/1475-7516/2019/11/045

Ruling Out ∼100–300 GeV Thermal Relic Annihilating Dark Matter by Radio Observation of the Andromeda Galaxy
journal, February 2019


Gamma-Ray Sensitivity to Dark Matter Subhalo Modelling at High Latitudes
journal, November 2019


A global fit of the γ-ray galactic center excess within the scalar singlet Higgs portal model
text, January 2016


Resonance enhancement of dark matter interactions: the case for early kinetic decoupling and velocity dependent resonance width
journal, September 2017


Foreground effect on the J-factor estimation of classical dwarf spheroidal galaxies
journal, March 2017

  • Ichikawa, Koji; Ishigaki, Miho N.; Matsumoto, Shigeki
  • Monthly Notices of the Royal Astronomical Society, Vol. 468, Issue 3
  • DOI: 10.1093/mnras/stx682

Ultralight Axion Dark Matter and Its Impact on Dark Halo Structure in N -body Simulations
journal, January 2018

  • Zhang, Jiajun; Tsai, Yue-Lin Sming; Kuo, Jui-Lin
  • The Astrophysical Journal, Vol. 853, Issue 1
  • DOI: 10.3847/1538-4357/aaa485

Scalar dark matter interpretation of the DAMPE data with U(1) gauge interactions
journal, May 2018


Fermi -LAT Observations of γ -Ray Emission toward the Outer Halo of M31
journal, July 2019

  • Karwin, Christopher M.; Murgia, Simona; Campbell, Sheldon
  • The Astrophysical Journal, Vol. 880, Issue 2
  • DOI: 10.3847/1538-4357/ab2880

The CTA aims at the Inert Doublet Model
journal, February 2016

  • Queiroz, Farinaldo S.; Yaguna, Carlos E.
  • Journal of Cosmology and Astroparticle Physics, Vol. 2016, Issue 02
  • DOI: 10.1088/1475-7516/2016/02/038

Limits to dark matter annihilation cross-section from a combined analysis of MAGIC and Fermi-LAT observations of dwarf satellite galaxies
journal, February 2016


Detectability of ultralight scalar field dark matter with gravitational-wave detectors
journal, December 2019


Augury of darkness: the low-mass dark Z ′ portal
journal, April 2017

  • Alves, Alexandre; Arcadi, Giorgio; Mambrini, Yann
  • Journal of High Energy Physics, Vol. 2017, Issue 4
  • DOI: 10.1007/jhep04(2017)164

Naturally small Dirac neutrino mass with intermediate SU(2) L multiplet fields
journal, April 2017


Model-independent indirect detection constraints on hidden sector dark matter
journal, June 2016

  • Elor, Gilly; Rodd, Nicholas L.; Slatyer, Tracy R.
  • Journal of Cosmology and Astroparticle Physics, Vol. 2016, Issue 06
  • DOI: 10.1088/1475-7516/2016/06/024

Heavy spin-2 Dark Matter
journal, September 2016

  • Babichev, Eugeny; Marzola, Luca; Raidal, Martti
  • Journal of Cosmology and Astroparticle Physics, Vol. 2016, Issue 09
  • DOI: 10.1088/1475-7516/2016/09/016

Dark Matter's secret liaisons: phenomenology of a dark U(1) sector with bound states
journal, May 2017

  • Cirelli, Marco; Panci, Paolo; Petraki, Kalliopi
  • Journal of Cosmology and Astroparticle Physics, Vol. 2017, Issue 05
  • DOI: 10.1088/1475-7516/2017/05/036

Late decaying 2-component dark matter scenario as an explanation of the AMS-02 positron excess
journal, October 2017

  • Buch, Jatan; Ralegankar, Pranjal; Rentala, Vikram
  • Journal of Cosmology and Astroparticle Physics, Vol. 2017, Issue 10
  • DOI: 10.1088/1475-7516/2017/10/028

Effective field theory of the Majorana dark matter
journal, April 2019


Dark Matter and CP-violation in the Three-Higgs Doublet Model
journal, July 2017


Dwarf spheroidal J-factors without priors: A likelihood-based analysis for indirect dark matter searches
journal, November 2016

  • Chiappo, A.; Cohen-Tanugi, J.; Conrad, J.
  • Monthly Notices of the Royal Astronomical Society, Vol. 466, Issue 1
  • DOI: 10.1093/mnras/stw3079

Foreground effect on the J-factor estimation of ultrafaint dwarf spheroidal galaxies
journal, May 2018

  • Ichikawa, Koji; Horigome, Shun-ichi; Ishigaki, Miho N.
  • Monthly Notices of the Royal Astronomical Society, Vol. 479, Issue 1
  • DOI: 10.1093/mnras/sty1387

Origin of the DAMPE 1.4 TeV peak
journal, May 2019

  • Chan, Man Ho; Lee, Chak Man
  • Monthly Notices of the Royal Astronomical Society: Letters, Vol. 486, Issue 1
  • DOI: 10.1093/mnrasl/slz062

Heavy dark matter particle annihilation in dwarf spheroidal galaxies: Radio signals at the SKA telescope
journal, January 2020


Systematic study on the cosmic ray antiproton flux
journal, December 2017


A comprehensive approach to dark matter studies: exploration of simplified top-philic models
text, January 2016


How to save the WIMP: global analysis of a dark matter model with two s-channel mediators
text, January 2016

  • Duerr, Michael; Kahlhoefer, Felix; Schmidt-Hoberg, Kai
  • Deutsches Elektronen-Synchrotron, DESY, Hamburg
  • DOI: 10.3204/pubdb-2016-02552

Hunting the dark Higgs
text, January 2017

  • Duerr, Michael; Grohsjean, Alexander; Kahlhoefer, Felix
  • Deutsches Elektronen-Synchrotron, DESY, Hamburg
  • DOI: 10.3204/pubdb-2017-00964

The e-ASTROGAM mission
text, January 2017

  • De Angelis, A.; Tatischeff, V.; Tavani, M.
  • Deutsches Elektronen-Synchrotron, DESY, Hamburg
  • DOI: 10.3204/pubdb-2017-11455

Nearest Neighbor: The Low-mass Milky Way Satellite Tucana III
journal, March 2017


Unblinding the dark matter blind spots
journal, February 2017

  • Han, Tao; Kling, Felix; Su, Shufang
  • Journal of High Energy Physics, Vol. 2017, Issue 2
  • DOI: 10.1007/jhep02(2017)057

Gamma-ray excess and the minimal dark matter model
journal, June 2016

  • Duerr, Michael; Pérez, Pavel Fileviez; Smirnov, Juri
  • Journal of High Energy Physics, Vol. 2016, Issue 6
  • DOI: 10.1007/jhep06(2016)008

Fermi/LAT observations of dwarf galaxies highly constrain a dark matter interpretation of excess positrons seen in AMS-02, HEAT, and PAMELA
journal, March 2016

  • López, Alejandro; Savage, Christopher; Spolyar, Douglas
  • Journal of Cosmology and Astroparticle Physics, Vol. 2016, Issue 03
  • DOI: 10.1088/1475-7516/2016/03/033

Isotropic extragalactic flux from dark matter annihilations: lessons from interacting dark matter scenarios
journal, August 2016

  • Moliné, Ángeles; Schewtschenko, Jascha A.; Palomares-Ruiz, Sergio
  • Journal of Cosmology and Astroparticle Physics, Vol. 2016, Issue 08
  • DOI: 10.1088/1475-7516/2016/08/069

Probing dark matter annihilation in the Galaxy with antiprotons and gamma rays
journal, October 2017

  • Cuoco, Alessandro; Heisig, Jan; Korsmeier, Michael
  • Journal of Cosmology and Astroparticle Physics, Vol. 2017, Issue 10
  • DOI: 10.1088/1475-7516/2017/10/053

Extragalactic diffuse γ-rays from dark matter annihilation: revised prediction and full modelling uncertainties
journal, February 2018


Dark matter constraints from dwarf galaxies: a data-driven analysis
journal, October 2018

  • Calore, Francesca; Serpico, Pasquale Dario; Zaldivar, Bryan
  • Journal of Cosmology and Astroparticle Physics, Vol. 2018, Issue 10
  • DOI: 10.1088/1475-7516/2018/10/029

Dark matter shifts away from direct detection
journal, November 2018

  • Balkin, Reuven; Ruhdorfer, Maximilian; Salvioni, Ennio
  • Journal of Cosmology and Astroparticle Physics, Vol. 2018, Issue 11
  • DOI: 10.1088/1475-7516/2018/11/050

Constraints on dark matter annihilation and decay from the isotropic gamma-ray background
journal, April 2017


Robust velocity dispersion and binary population modelling of the ultrafaint dwarf galaxy Reticulum II
journal, June 2019

  • Minor, Quinn E.; Pace, Andrew B.; Marshall, Jennifer L.
  • Monthly Notices of the Royal Astronomical Society, Vol. 487, Issue 2
  • DOI: 10.1093/mnras/stz1468

Effect of turbulent reacceleration on electrons produced by dark matter annihilation in the Coma cluster
journal, July 2019

  • Marchegiani, P.
  • Monthly Notices of the Royal Astronomical Society, Vol. 488, Issue 1
  • DOI: 10.1093/mnras/stz1798

Leading QCD corrections for indirect dark matter searches: A fresh look
journal, February 2016


Leptophobic dark matter and the baryon number violation scale
journal, February 2019


Search for dark matter annihilations towards the inner Galactic halo from 10 years of observations with H.E.S.S
text, January 2016

  • Abdallah, H.; Abramowski, A.; Aharonian, F.
  • Deutsches Elektronen-Synchrotron, DESY, Hamburg
  • DOI: 10.3204/pubdb-2017-00279

Strong constraints on self-interacting dark matter with light mediators
text, January 2016

  • Bringmann, Torsten; Kahlhoefer, Felix; Schmidt-Hoberg, Kai
  • Deutsches Elektronen-Synchrotron, DESY, Hamburg
  • DOI: 10.3204/pubdb-2017-00823

Hunting the dark Higgs
text, January 2017

  • Duerr, Michael; Grohsjean, Alexander; Kahlhoefer, Felix
  • Deutsches Elektronen-Synchrotron, DESY, Hamburg
  • DOI: 10.3204/pubdb-2017-02497

Searching for Axion-Like Particles with X-ray Polarimeters
journal, April 2018


Showcasing HH production: Benchmarks for the LHC and HL-LHC
text, January 2019


CP violating scalar Dark Matter
journal, December 2016

  • Cordero-Cid, A.; Hernández-Sánchez, J.; Keus, V.
  • Journal of High Energy Physics, Vol. 2016, Issue 12
  • DOI: 10.1007/jhep12(2016)014

Tidal deformability of boson stars and dark matter clumps
journal, August 2017


Is the gamma-ray source 3FGL J2212.5+0703 a dark matter subhalo?
journal, May 2016

  • Bertoni, Bridget; Hooper, Dan; Linden, Tim
  • Journal of Cosmology and Astroparticle Physics, Vol. 2016, Issue 05
  • DOI: 10.1088/1475-7516/2016/05/049

Cross-correlation of weak lensing and gamma rays: implications for the nature of dark matter
journal, February 2017

  • Tröster, Tilman; Camera, Stefano; Fornasa, Mattia
  • Monthly Notices of the Royal Astronomical Society, Vol. 467, Issue 3
  • DOI: 10.1093/mnras/stx365

Indirect dark matter detection for flattened dwarf galaxies
journal, September 2016


Growth of dark matter perturbations during kination
journal, September 2018


Isospin-violating dark-matter-nucleon scattering via two-Higgs-doublet-model portals
journal, October 2016

  • Drozd, Aleksandra; Grzadkowski, Bohdan; Gunion, John F.
  • Journal of Cosmology and Astroparticle Physics, Vol. 2016, Issue 10
  • DOI: 10.1088/1475-7516/2016/10/040

Scaling relations for dark matter annihilation and decay profiles in dwarf spheroidal galaxies
journal, October 2018

  • Pace, Andrew B.; Strigari, Louis E.
  • Monthly Notices of the Royal Astronomical Society, Vol. 482, Issue 3
  • DOI: 10.1093/mnras/sty2839

Fermi-LAT Observations of Gamma-Ray Emission Towards the Outer Halo of M31
conference, July 2019

  • Karwin, Chris; Murgia, Simona; Campbell, Sheldon
  • Proceedings of 36th International Cosmic Ray Conference — PoS(ICRC2019)
  • DOI: 10.22323/1.358.0570

Scalar Dark Matter: Direct vs. Indirect Detection
text, January 2015


Leading QCD Corrections for Indirect Dark Matter Searches: a Fresh Look
text, January 2015


Is The Gamma-Ray Source 3FGL J2212.5+0703 A Dark Matter Subhalo?
text, January 2016


A comprehensive approach to dark matter studies: exploration of simplified top-philic models
text, January 2016


Strong constraints on self-interacting dark matter with light mediators
text, January 2016


Augury of Darkness: The Low-Mass Dark Z' Portal
text, January 2016


The diphoton signal of the light Higgs boson in Natural NMSSM
text, January 2016


Search for right-handed neutrinos from dark matter annihilation with gamma-rays
text, January 2017


Dark Matter Production in an Early Matter Dominated Era
text, January 2017


A Precision Search for WIMPs with Charged Cosmic Rays
text, January 2017


Asymmetric dark matter: residual annihilations and self-interactions
text, January 2017


Bounds on Dark Matter annihilations from 21 cm data
text, January 2018


Einstein@Home discovers a radio-quiet gamma-ray millisecond pulsar
text, January 2018


Snake in the Clouds: A new nearby dwarf galaxy in the Magellanic bridge
text, January 2018


The Local Group on FIRE: Dwarf galaxy populations across a suite of hydrodynamic simulations
text, January 2018


Growth of Dark Matter Perturbations during Kination
text, January 2018


Constraining Non-thermal Dark Matter by CMB
text, January 2018


Dark matter shifts away from direct detection
text, January 2018


Non-thermal Dark Matter from Modified Early Matter Domination
text, January 2018


Can the ANITA anomalous events be due to new physics?
text, January 2019


Singlet-Doublet Dirac Dark Matter and Neutrino Masses
text, January 2019


Unidentified Gamma-ray Sources as Targets for Indirect Dark Matter Detection with the Fermi-Large Area Telescope
text, January 2019


Constraining Nonthermal Dark Matter's Impact on the Matter Power Spectrum
text, January 2019


Breaking a dark degeneracy: The gamma-ray signature of early matter domination
text, January 2019


Spectral and spatial analysis of the dark matter subhalo candidates among Fermi Large Area Telescope unidentified sources
text, January 2019