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    Search for disappearing tracks in proton-proton collisions at s√=8 TeV

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    PS_Baringer_2015.pdf (456.3Kb)
    Issue Date
    2015-01-19
    Author
    Baringer, Philip S.
    Bean, Alice
    Murray, Michael J.
    Sanders, Stephen J.
    CMS Collaboration
    Publisher
    Springer Verlag
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Rights
    Open Access, Copyright CERN, for the benefit of the CMS Collaboration.
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    Abstract
    A search is presented for long-lived charged particles that decay within the CMS detector and produce the signature of a disappearing track. Disappearing tracks are identified as those with little or no associated calorimeter energy deposits and with missing hits in the outer layers of the tracker. The search uses proton-proton collision data recorded at s√=8 TeV that corresponds to an integrated luminosity of 19.5 fb−1. The results of the search are interpreted in the context of the anomaly-mediated supersymmetry breaking (AMSB) model. The number of observed events is in agreement with the background expectation, and limits are set on the cross section of direct electroweak chargino production in terms of the chargino mass and mean proper lifetime. At 95% confidence level, AMSB models with a chargino mass less than 260 GeV, corresponding to a mean proper lifetime of 0.2 ns, are excluded.
    URI
    http://hdl.handle.net/1808/22000
    DOI
    https://doi.org/10.1007/JHEP01(2015)096
    Collections
    • Physics and Astronomy Scholarly Works [1636]
    Citation
    Khachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., … Ghete, V. M. (2015).Search for disappearing tracks in proton-proton collisions at s√=8 TeV J. High Energ. Phys., 2015(1). doi:10.1007/jhep01(2015)096

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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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