Search for -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 »
- Authors:
-
- NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States); Catholic Univ. of America, Washington, D.C. (United States)
- Chinese Academy of Sciences, Kunming (People's Republic of China); Chinese Academy of Sciences (CAS), Beijing (China)
- Univ. of Nova Gorica, Nova Gorica (Slovenia)
- Stanford Univ., Stanford, CA (United States)
- Publication Date:
- Research Org.:
- SLAC National Accelerator Laboratory (SLAC), 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:
- Journal Article: 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. https://doi.org/10.1103/physrevd.99.123027
Di Mauro, Mattia, Hou, Xian, Eckner, Christopher, Zaharijas, Gabrijela, and Charles, Eric. 2019.
"Search for γ-ray emission from dark matter particle interactions from the Andromeda and Triangulum galaxies with the Fermi Large Area Telescope". United States. https://doi.org/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},
url = {https://www.osti.gov/biblio/1546729},
journal = {Physical Review. D.},
issn = {2470-0010},
number = 12,
volume = 99,
place = {United States},
year = {Sat Jun 15 00:00:00 EDT 2019},
month = {Sat Jun 15 00:00:00 EDT 2019}
}
Web of Science
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text, January 2012
- Collaboration, The Fermi LAT; Ackermann, M.; Albert, A.
- arXiv
CLUMPY: a code for gamma-ray signals from dark matter structures
text, January 2012
- Charbonnier, A.; Combet, C.; Maurin, D.
- arXiv
Detection of a Gamma-Ray Source in the Galactic Center Consistent with Extended Emission from Dark Matter Annihilation and Concentrated Astrophysical Emission
text, January 2012
- Abazajian, Kevork N.; Kaplinghat, Manoj
- arXiv
Stellar mass map and dark matter distribution in M31
text, January 2012
- Tamm, A.; Tempel, E.; Tenjes, P.
- arXiv
Planck 2013 results. XVI. Cosmological parameters
text, January 2013
- Collaboration, Planck; Ade, P. A. R.; Aghanim, N.
- arXiv
The dependence of dark matter profiles on the stellar to halo mass ratio: a prediction for cusps vs cores
text, January 2013
- Di Cintio, Arianna; Brook, Chris B.; Maccio, Andrea V.
- arXiv
Dark Matter Constraints from Observations of 25 Milky Way Satellite Galaxies with the Fermi Large Area Telescope
text, January 2013
- Collaboration, Lat; Ackermann, M.; Albert, A.
- arXiv
Astrophysical and Dark Matter Interpretations of Extended Gamma-Ray Emission from the Galactic Center
text, January 2014
- Abazajian, Kevork N.; Canac, Nicolas; Horiuchi, Shunsaku
- arXiv
Searching for Dark Matter Annihilation in the Smith High-Velocity Cloud
text, January 2014
- Drlica-Wagner, Alex; Gomez-Vargas, German A.; Hewitt, John W.
- arXiv
Background model systematics for the Fermi GeV excess
text, January 2014
- Calore, Francesca; Cholis, Ilias; Weniger, Christoph
- arXiv
A Comprehensive Search for Dark Matter Annihilation in Dwarf Galaxies
text, January 2014
- Geringer-Sameth, Alex; Koushiappas, Savvas M.; Walker, Matthew G.
- arXiv
Millisecond pulsars and the Galactic Center gamma-ray excess: the importance of luminosity function and secondary emission
text, January 2014
- Petrovic, Jovana; Serpico, Pasquale D.; Zaharijas, Gabrijela
- arXiv
Limits on Dark Matter Annihilation Signals from the Fermi LAT 4-year Measurement of the Isotropic Gamma-Ray Background
text, January 2015
- Collaboration, The Fermi LAT; Ackermann, M.; Ajello, M.
- arXiv
Search for Gamma-Ray Emission from DES Dwarf Spheroidal Galaxy Candidates with Fermi-LAT Data
text, January 2015
- Collaboration, Lat; Collaboration, The DES; Drlica-Wagner, A.
- arXiv
Development of the Model of Galactic Interstellar Emission for Standard Point-Source Analysis of Fermi Large Area Telescope Data
text, January 2016
- Acero, F.; Ackermann, M.; Ajello, M.
- arXiv
Search for Gamma-ray Emission from Dark Matter Annihilation in the Small Magellanic Cloud with the Fermi Large Area Telescope
text, January 2016
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- arXiv
Searching for Dark Matter Annihilation in Recently Discovered Milky Way Satellites with Fermi-LAT
text, January 2016
- Fermi-LAT, The; Collaborations, Des; Albert, A.
- arXiv
Early kinetic decoupling of dark matter: when the standard way of calculating the thermal relic density fails
text, January 2017
- Binder, Tobias; Bringmann, Torsten; Gustafsson, Michael
- arXiv
Fermipy: An open-source Python package for analysis of Fermi-LAT Data
preprint, January 2017
- Wood, Matthew; Caputo, Regina; Charles, Eric
- arXiv
The Inner Structure of LambdaCDM Halos III: Universality and Asymptotic Slopes
text, January 2003
- Navarro, Julio F.; Hayashi, Eric; Power, Chris
- arXiv
Baryonic Pinching of Galactic Dark Matter Halos
text, January 2006
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- arXiv
The Structure of Cold Dark Matter Halos
text, January 1995
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- arXiv
Bars and Cold Dark Matter Halos
journal, June 2006
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- The Astrophysical Journal, Vol. 644, Issue 2