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Title: Search for γ -ray emission from dark matter particle interactions from the Andromeda and Triangulum galaxies with the Fermi Large Area Telescope

Abstract

The Andromeda (M31) and Triangulum (M33) galaxies are the closest Local Group galaxies to the Milky Way, being only 785 and 870 kpc away. These two galaxies provide an independent view of high-energy processes that are often obscured in our own Galaxy, including possible signals of dark matter (DM) particle interactions. The Fermi Large Area Telescope (Fermi-LAT) preliminary eight year list of sources includes both M31, which is detected as extended with a size of about 0.4°, and M33, which is detected as a pointlike source. The spatial morphology of M31 γ-ray emission could trace a population of unresolved sources and energetic particles originating in sources not related to massive star formation. Alternatively, the γ-ray emission could also be an indication of annihilation or decay of DM particles. We investigate these two possibilities using almost 10 years of data from the Fermi-LAT. An interpretation that involves only a DM γ-ray emission is in tension with the current limits from other searches, such as those targeting Milky Way dwarf spheroidal galaxies. When we include a template of astrophysical emission, tuned on γ-ray data or from observations of these galaxies in other wavelengths, we do not find any significant evidence for amore » DM contribution and we set limits for the annihilation cross section that probe the thermal cross section for DM masses up to a few tens of GeV in the b¯b and τ+τ channels. For models where the DM substructures have masses above 10–6 solar masses our limits probe the DM interpretation of the Fermi-LAT Galactic center excess. In conclusion, we provide also the lower limit for the DM lifetime assuming the same spatial models of the DM distribution in M31 and M33.« less

Authors:
 [1];  [2];  [3];  [3];  [4]
  1. NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States); Catholic Univ. of America, Washington, D.C. (United States)
  2. Chinese Academy of Sciences, Kunming (People's Republic of China); Chinese Academy of Sciences (CAS), Beijing (China)
  3. Univ. of Nova Gorica, Nova Gorica (Slovenia)
  4. Stanford Univ., Stanford, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1546729
Alternate Identifier(s):
OSTI ID: 1546265
Grant/Contract Number:  
AC02-76SF00515; 11503078; 11661161010; 11673060
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 99; Journal Issue: 12; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS

Citation Formats

Di Mauro, Mattia, Hou, Xian, Eckner, Christopher, Zaharijas, Gabrijela, and Charles, Eric. Search for γ-ray emission from dark matter particle interactions from the Andromeda and Triangulum galaxies with the Fermi Large Area Telescope. United States: N. p., 2019. Web. doi:10.1103/physrevd.99.123027.
Di Mauro, Mattia, Hou, Xian, Eckner, Christopher, Zaharijas, Gabrijela, & Charles, Eric. Search for γ-ray emission from dark matter particle interactions from the Andromeda and Triangulum galaxies with the Fermi Large Area Telescope. United States. doi:10.1103/physrevd.99.123027.
Di Mauro, Mattia, Hou, Xian, Eckner, Christopher, Zaharijas, Gabrijela, and Charles, Eric. Sat . "Search for γ-ray emission from dark matter particle interactions from the Andromeda and Triangulum galaxies with the Fermi Large Area Telescope". United States. doi:10.1103/physrevd.99.123027. https://www.osti.gov/servlets/purl/1546729.
@article{osti_1546729,
title = {Search for γ-ray emission from dark matter particle interactions from the Andromeda and Triangulum galaxies with the Fermi Large Area Telescope},
author = {Di Mauro, Mattia and Hou, Xian and Eckner, Christopher and Zaharijas, Gabrijela and Charles, Eric},
abstractNote = {The Andromeda (M31) and Triangulum (M33) galaxies are the closest Local Group galaxies to the Milky Way, being only 785 and 870 kpc away. These two galaxies provide an independent view of high-energy processes that are often obscured in our own Galaxy, including possible signals of dark matter (DM) particle interactions. The Fermi Large Area Telescope (Fermi-LAT) preliminary eight year list of sources includes both M31, which is detected as extended with a size of about 0.4°, and M33, which is detected as a pointlike source. The spatial morphology of M31 γ-ray emission could trace a population of unresolved sources and energetic particles originating in sources not related to massive star formation. Alternatively, the γ-ray emission could also be an indication of annihilation or decay of DM particles. We investigate these two possibilities using almost 10 years of data from the Fermi-LAT. An interpretation that involves only a DM γ-ray emission is in tension with the current limits from other searches, such as those targeting Milky Way dwarf spheroidal galaxies. When we include a template of astrophysical emission, tuned on γ-ray data or from observations of these galaxies in other wavelengths, we do not find any significant evidence for a DM contribution and we set limits for the annihilation cross section that probe the thermal cross section for DM masses up to a few tens of GeV in the b¯b and τ+τ– channels. For models where the DM substructures have masses above 10–6 solar masses our limits probe the DM interpretation of the Fermi-LAT Galactic center excess. In conclusion, we provide also the lower limit for the DM lifetime assuming the same spatial models of the DM distribution in M31 and M33.},
doi = {10.1103/physrevd.99.123027},
journal = {Physical Review D},
number = 12,
volume = 99,
place = {United States},
year = {2019},
month = {6}
}

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    Works referencing / citing this record:

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


    Halo Expansion in Cosmological Hydro Simulations: Toward a Baryonic Solution of the Cusp/Core Problem in Massive Spirals
    journal, December 2011


    The impact of dark matter cusps and cores on the satellite galaxy population around spiral galaxies: Impact of cusps and cores on the satellite population
    journal, May 2010


    Small-Scale Challenges to the Λ CDM Paradigm
    journal, August 2017


    Dark matter constraints from observations of 25 Milky Way satellite galaxies with the Fermi Large Area Telescope
    journal, February 2014


    Comprehensive search for dark matter annihilation in dwarf galaxies
    journal, April 2015

    • Geringer-Sameth, Alex; Koushiappas, Savvas M.; Walker, Matthew G.
    • Physical Review D, Vol. 91, Issue 8
    • DOI: 10.1103/physrevd.91.083535

    The Via Lactea INCITE simulation: galactic dark matter substructure at high resolution
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    How supernova feedback turns dark matter cusps into cores: Supernova feedback and dark matter cores
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    clumpy: A code for γ-ray signals from dark matter structures
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    • Charbonnier, Aldée; Combet, Céline; Maurin, David
    • Computer Physics Communications, Vol. 183, Issue 3
    • DOI: 10.1016/j.cpc.2011.10.017

    The Dark Matter Annihilation Signal from Galactic Substructure: Predictions for GLAST
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    • Kuhlen, Michael; Diemand, Jürg; Madau, Piero
    • The Astrophysical Journal, Vol. 686, Issue 1
    • DOI: 10.1086/590337

    SEARCH FOR GAMMA-RAY EMISSION FROM DES DWARF SPHEROIDAL GALAXY CANDIDATES WITH FERMI -LAT DATA
    journal, August 2015


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    journal, July 1995

    • Burkert, A.
    • The Astrophysical Journal, Vol. 447, Issue 1
    • DOI: 10.1086/309560

    Dynamical signatures of a ΛCDM-halo and the distribution of the baryons in M 33
    journal, November 2014


    Dark matter versus pulsars: catching the impostor
    journal, October 2013

    • Mirabal, N.
    • Monthly Notices of the Royal Astronomical Society, Vol. 436, Issue 3
    • DOI: 10.1093/mnras/stt1740

    The characterization of the gamma-ray signal from the central Milky Way: A case for annihilating dark matter
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    Characterization of subhalo structural properties and implications for dark matter annihilation signals
    journal, January 2017

    • Moliné, Ángeles; Sánchez-Conde, Miguel A.; Palomares-Ruiz, Sergio
    • Monthly Notices of the Royal Astronomical Society
    • DOI: 10.1093/mnras/stx026

    Moderate steepening of galaxy cluster dark matter profiles by baryonic pinching: Pinching of dark matter haloes
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    Baryonic pinching of galactic dark matter halos
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    • Gustafsson, Michael; Fairbairn, Malcolm; Sommer-Larsen, Jesper
    • Physical Review D, Vol. 74, Issue 12
    • DOI: 10.1103/physrevd.74.123522

    Stellar Feedback in Dwarf Galaxy Formation
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    • The Astrophysical Journal, Vol. 490, Issue 2
    • DOI: 10.1086/304888

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    journal, December 2008


    Search for gamma-ray emission from dark matter annihilation in the large magellanic cloud with the fermi large area telescope
    journal, May 2015


    THE FIRST FERMI LAT SUPERNOVA REMNANT CATALOG
    journal, May 2016

    • Acero, F.; Ackermann, M.; Ajello, M.
    • The Astrophysical Journal Supplement Series, Vol. 224, Issue 1
    • DOI: 10.3847/0067-0049/224/1/8

    Analytical models for galactic nuclei
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    The Search for Spatial Extension in High-latitude Sources Detected by the Fermi Large Area Telescope
    journal, August 2018

    • Ackermann, M.; Ajello, M.; Baldini, L.
    • The Astrophysical Journal Supplement Series, Vol. 237, Issue 2
    • DOI: 10.3847/1538-4365/aacdf7

    Constraints on decaying dark matter from Fermi observations of nearby galaxies and clusters
    journal, December 2010

    • Dugger, Leanna; Jeltema, Tesla E.; Profumo, Stefano
    • Journal of Cosmology and Astroparticle Physics, Vol. 2010, Issue 12
    • DOI: 10.1088/1475-7516/2010/12/015

    The inner structure of ΛCDM haloes - III. Universality and asymptotic slopes
    journal, April 2004


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    journal, March 2012


    History of dark matter
    journal, October 2018


    Implications of high-resolution simulations on indirect dark matter searches
    journal, January 2011


    Multiwavelength Constraints on Pulsar Populations in the Galactic Center
    journal, June 2012


    Precise relic WIMP abundance and its impact on searches for dark matter annihilation
    journal, July 2012


    A revised Λ CDM mass model for the Andromeda Galaxy: A revised mass model for M31
    journal, September 2008

    • Seigar, Marc S.; Barth, Aaron J.; Bullock, James S.
    • Monthly Notices of the Royal Astronomical Society, Vol. 389, Issue 4
    • DOI: 10.1111/j.1365-2966.2008.13732.x

    THE LARGE AREA TELESCOPE ON THE FERMI GAMMA-RAY SPACE TELESCOPE MISSION
    journal, May 2009


    The Dark Matter halo of the Milky Way, AD 2013
    journal, July 2013


    SEARCH FOR DARK MATTER SATELLITES USING FERMI -LAT
    journal, February 2012


    TeV scale dark matter and electroweak radiative corrections
    journal, August 2010


    The dependence of dark matter profiles on the stellar-to-halo mass ratio: a prediction for cusps versus cores
    journal, November 2013

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