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    Regge trajectories and Hagedorn behavior: Hadronic realizations of dynamical dark matter

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    Author
    Dienes, Keith R.
    Huang, Fei
    Su, Shufang
    Thomas, Brooks
    Affiliation
    Univ Arizona, Dept Phys
    Issue Date
    2017-11
    
    Metadata
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    Publisher
    AMER INST PHYSICS
    Citation
    AIP Conference Proceedings 1900, 040003 (2017); https://doi.org/10.1063/1.5010121
    Journal
    WORKSHOP ON NEUTRINO PHYSICS AND UNIFICATION, NEAR DETECTOR PHYSICS AND DARK MATTER (CETUP* 2016)
    Rights
    Copyright © 2017, AIP Publishing LLC.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Dynamical Dark Matter (DDM) is an alternative framework for dark-matter physics in which the dark sector comprises a vast ensemble of particle species whose Standard-Model decay widths are balanced against their cosmological abundances. In this talk, we study the properties of a hitherto-unexplored class of DDM ensembles in which the ensemble constituents are the "hadronic" resonances associated with the confining phase of a strongly-coupled dark sector. Such ensembles exhibit masses lying along Regge trajectories and Hagedorn-like densities of states that grow exponentially with mass. We investigate the applicable constraints on such dark-"hadronic" DDM ensembles and find that these constraints permit a broad range of mass and confinement scales for these ensembles. We also find that the distribution of the total present-day abundance across the ensemble is highly correlated with the values of these scales. This talk reports on research originally presented in Ref. [1].
    Note
    12 month embargo; Published Online: November 2017.
    ISSN
    0094-243X
    DOI
    10.1063/1.5010121
    Version
    Final published version
    Sponsors
    CETUP* (Center for Theoretical Underground Physics and Related Areas); Department of Energy [DE-FG02-13ER41976 / DE-SC0009913]; National Science Foundation
    Additional Links
    http://aip.scitation.org/doi/abs/10.1063/1.5010121
    ae974a485f413a2113503eed53cd6c53
    10.1063/1.5010121
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