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    Search for fractionally charged particles in pp collisions at s√=7  TeV

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    Baringer_5-21-2013.pdf (369.3Kb)
    Issue Date
    2013-05-21
    Author
    Baringer, Philip S.
    Bean, Alice
    Benelli, Gabriele
    Kenny, R. P. III
    Murray, Michael J.
    Noonan, Danny
    Sanders, Stephen J.
    Stringer, Robert W.
    Tinti, Gemma
    Wood, Jeffrey Scott
    Chatrchyan, S.
    Khachatryan, V.
    Sirunyan, A. M.
    Tumasyan, A.
    Adam, W.
    Aguilo, E.
    Bergauer, T.
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
    Show full item record
    Abstract
    A search is presented for free heavy long-lived fractionally charged particles produced in pp collisions at s√=7  TeV. The data sample was recorded by the CMS detector at the LHC and corresponds to an integrated luminosity of 5.0  fb(−1). Candidate fractionally charged particles are identified by selecting tracks with associated low charge measurements in the silicon tracking detector. Observations are found to be consistent with expectations for background processes. The results of the search are used to set upper limits on the cross section for pair production of fractionally charged, massive spin-1/2 particles that are neutral under SU(3)(C) and SU(2)(L). We exclude at 95% confidence level such particles with electric charge ±2e/3 with masses below 310 GeV, and those with charge ±e/3 with masses below 140 GeV.
    Description
    This is the publisher's version, also available electronically from http://journals.aps.org/prd/abstract/10.1103/PhysRevD.87.092008.
    URI
    http://hdl.handle.net/1808/15692
    DOI
    https://doi.org/10.1103/PhysRevD.87.092008
    ISSN
    0556-2821
    Collections
    • Physics and Astronomy Scholarly Works [1134]
    Citation
    S. Chatrchyan et al. (CMS Collaboration). (2013). "Search for fractionally charged particles in pp collisions at s√=7  TeV." Physical Review D, 87(9):092008. http://dx.doi.org/10.1103/PhysRevD.87.092008.

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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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