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    Search for dark matter, extra dimensions, and unparticles in monojet events in proton–proton collisions at s√=8 TeV

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    CMS_Collaboration_2015.pdf (1.274Mb)
    Issue Date
    2015
    Author
    Baringer, Philip S.
    Bean, Alice
    Khachatryan, V.
    Publisher
    Springer
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    Results are presented from a search for particle dark matter (DM), extra dimensions, and unparticles using events containing a jet and an imbalance in transverse momentum. The data were collected by the CMS detector in proton–proton collisions at the LHC and correspond to an integrated luminosity of 19.7 fb-1at a centre-of-mass energy of 8 TeV . The number of observed events is found to be consistent with the standard model prediction. Limits are placed on the DM-nucleon scattering cross section as a function of the DM particle mass for spin-dependent and spin-independent interactions. Limits are also placed on the scale parameter MD in the Arkani-Hamed, Dimopoulos, and Dvali (ADD) model of large extra dimensions, and on the unparticle model parameter ΛU. The constraints on ADD models and unparticles are the most stringent limits in this channel and those on the DM-nucleon scattering cross section are an improvement over previous collider results.
    URI
    http://hdl.handle.net/1808/18232
    DOI
    https://doi.org/10.1140/epjc/s10052-015-3451-4
    Collections
    • Physics and Astronomy Scholarly Works [1632]
    Citation
    Khachatryan V, Sirunyan AM, Tumasyan A, et al. "Search for dark matter, extra dimensions, and unparticles in monojet events in proton–proton collisions at s√=8 TeV "The European Physical Journal C, Particles and Fields. 2015;75(5):235. http://dx.doi.org/10.1140/epjc/s10052-015-3451-4.

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    785-864-8983

    KU Libraries
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    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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