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    Search for Long-Lived Particles Decaying into Electron or Photon Pairs with the D0 Detector

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    Baringer_9-12-2008.pdf (233.1Kb)
    Issue Date
    2008-09-12
    Author
    Baringer, Philip S.
    Bean, Alice
    Clutter, Justace Randall
    Moulik, Tania
    Wilson, Graham Wallace
    Abazov, V. M.
    Abbott, B.
    Abolins, M.
    Acharya, B. S.
    Adams, M.
    Adams, T.
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    In this Letter we report on a search for long-lived particles that decay into final states with two electrons or photons. Such long-lived particles arise in a variety of theoretical models, such as hidden valleys and supersymmetry with gauge-mediated breaking. By precisely reconstructing the direction of the electromagnetic shower we are able to probe much longer lifetimes than previously explored. We see no evidence of the existence of such long-lived particles and interpret this search as a quasi model-independent limit on their production cross section, as well as a limit on a long-lived fourth generation quark.
    Description
    This is the publisher's version, also available electronically from http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.101.111802.
    URI
    http://hdl.handle.net/1808/15498
    DOI
    https://doi.org/10.1103/PhysRevLett.101.111802
    ISSN
    0031-9007
    Collections
    • Physics & Astronomy Scholarly Works [1715]
    Citation
    V. M. Abazov et al. (D0 Collaboration). (2008). "Search for Long-Lived Particles Decaying into Electron or Photon Pairs with the D0 Detector." Physical Review Letters, 101(11):111802. http://dx.doi.org/10.1103/PhysRevLett.101.111802.

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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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