A Search For Dark Matter Signals in the GalacticHalo with HAWC
Abstract
The High Altitude Water Cherenkov Observatory (HAWC) is a high energy (500 GeV to 100 TeV) gamma ray detector located in central Mexico. HAWC has both a wide (≈ 2 sr) field of view and near continuous duty cycle, making it ideal for unbiased sky surveys and analysis of highly extended sources. We make use of HAWC's survey abilities to search for dark matter signals originating from the Milky Way Galaxy. By taking an unbiased sample of the sky, we set characteristic upper limits on dark matter annihilation flux for various dark matter masses and annihilation channels as a function of declination. These characteristic limits are then combined with models of the dark matter spatial distribution in order to calculate the HAWC sensitivity to gamma-ray emission from both dark matter substructure and the main Galactic halo. We use this sensitivity to optimize a search for dark matter emission from the main Galactic halo.
- Authors:
-
[1];
[2]
- Michigan State Univ., East Lansing, MI (United States); HAWC Collaboration
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States); HAWC Collaboration
- Publication Date:
- Research Org.:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE Laboratory Directed Research and Development (LDRD) Program
- Contributing Org.:
- HAWC Collaboration
- OSTI Identifier:
- 1783547
- Report Number(s):
- LA-UR-21-22676
Journal ID: ISSN 1824-8039
- Grant/Contract Number:
- 89233218CNA000001
- Resource Type:
- Accepted Manuscript
- Journal Name:
- PoS - Proceedings of Science
- Additional Journal Information:
- Conference: 36th International Cosmic Ray Conference, Madison, WI (United States), 24 July - 01 Aug. 2019; Journal ID: ISSN 1824-8039
- Publisher:
- SISSA
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; Astronomy and Astrophysics
Citation Formats
Harding, James Patrick, and Lundeen, Joseph Andrew. A Search For Dark Matter Signals in the GalacticHalo with HAWC. United States: N. p., 2019.
Web. doi:10.22323/1.358.0528.
Harding, James Patrick, & Lundeen, Joseph Andrew. A Search For Dark Matter Signals in the GalacticHalo with HAWC. United States. https://doi.org/10.22323/1.358.0528
Harding, James Patrick, and Lundeen, Joseph Andrew. Mon .
"A Search For Dark Matter Signals in the GalacticHalo with HAWC". United States. https://doi.org/10.22323/1.358.0528. https://www.osti.gov/servlets/purl/1783547.
@article{osti_1783547,
title = {A Search For Dark Matter Signals in the GalacticHalo with HAWC},
author = {Harding, James Patrick and Lundeen, Joseph Andrew},
abstractNote = {The High Altitude Water Cherenkov Observatory (HAWC) is a high energy (500 GeV to 100 TeV) gamma ray detector located in central Mexico. HAWC has both a wide (≈ 2 sr) field of view and near continuous duty cycle, making it ideal for unbiased sky surveys and analysis of highly extended sources. We make use of HAWC's survey abilities to search for dark matter signals originating from the Milky Way Galaxy. By taking an unbiased sample of the sky, we set characteristic upper limits on dark matter annihilation flux for various dark matter masses and annihilation channels as a function of declination. These characteristic limits are then combined with models of the dark matter spatial distribution in order to calculate the HAWC sensitivity to gamma-ray emission from both dark matter substructure and the main Galactic halo. We use this sensitivity to optimize a search for dark matter emission from the main Galactic halo.},
doi = {10.22323/1.358.0528},
journal = {PoS - Proceedings of Science},
number = ,
volume = ,
place = {United States},
year = {Mon Jul 22 00:00:00 EDT 2019},
month = {Mon Jul 22 00:00:00 EDT 2019}
}
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