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    Search for dark matter in compact hydrogen clouds

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    1304.2478.pdf (285.5Kb)
    Links to Files
    https://academic.oup.com/mnrasl/article/432/1/L71/1139858
    Permanent Link
    https://doi.org/10.1093/mnrasl/slt042
    http://hdl.handle.net/11603/19566
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    • UMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
    • UMBC Joint Center for Earth Systems Technology (JCET)
    • UMBC Physics Department
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    Author/Creator
    Mirabal, N.
    Date
    2013-05-15
    Type of Work
    5 pages
    Text
    journal articles preprints
    Citation of Original Publication
    N. Mirabal, Search for dark matter in compact hydrogen clouds, Monthly Notices of the Royal Astronomical Society: Letters, Volume 432, Issue 1, 15 May 2013, Pages L71–L74, https://doi.org/10.1093/mnrasl/slt042
    Rights
    This item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
    This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society: Letters Published by Oxford University Press on behalf of the Royal Astronomical Society.
    Abstract
    The recently published Galactic Arecibo L-Band Feed Array-H I Compact Cloud Catalogue lists 20 neutral hydrogen clouds that might pinpoint previously undiscovered high-latitude dwarf galaxies. Detection of an associated gamma-ray dark matter signal could provide a route to distinguish unambiguously between truly dark-matter-dominated systems that have accumulated neutral hydrogen but have not successfully ignited star formation and pure gaseous structures devoid of dark matter. We use 4.3 years of Fermi observations to derive gamma-ray flux upper limits in the 1–300 GeV energy range for the sample. Limits on gamma rays from pair annihilation of dark matter are also presented depending on the yet unknown astrophysical factors.


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    Albin O. Kuhn Library & Gallery
    University of Maryland, Baltimore County
    1000 Hilltop Circle
    Baltimore, MD 21250
    www.umbc.edu/scholarworks

    Contact information:
    Email: scholarworks-group@umbc.edu
    Phone: 410-455-3021


    If you wish to submit a copyright complaint or withdrawal request, please email mdsoar-help@umd.edu.