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    Search for charged massive long-lived particles at s√=1.96  TeV

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    Baringer_3-6-2013_052011.pdf (2.579Mb)
    Issue Date
    2013-03-06
    Author
    Baringer, Philip S.
    Bean, Alice
    Chen, G.
    Clutter, Justace Randall
    Sekaric, Jadranka
    Wilson, Graham Wallace
    Abazov, V. M.
    Abbott, B.
    Acharya, B. S.
    Adams, M.
    Adams, T.
    Alexeev, G. D.
    Alimena, J.
    Alkhazov, G.
    Alton, A.
    Askew, A.
    Atkins, S.
    Augsten, K.
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
    Show full item record
    Abstract
    We present a search for charged massive long-lived particles (CMLLPs) that are pair produced in pp-bar collisions at s√=1.96  TeV collected by the D0 experiment at the Fermilab Tevatron collider. Our result is a combination of two searches where either one or both CMLLPs are reconstructed in the detector. We select events with muonlike particles that have both speed and ionization energy loss (dE/dx) different from muons produced in pp-bar collisions. In the absence of evidence for CMLLPs corresponding to 6.3  fb(−1) of integrated luminosity, we set limits on the CMLLP masses in several supersymmetric models, excluding masses below 278 GeV for long-lived gaugino-like charginos, and masses below 244 GeV for long-lived Higgsino-like charginos at the 95% C.L. We also set limits on the cross section for pair production of long-lived scalar tau leptons that range from 0.04 to 0.008 pb for scalar tau lepton masses of 100–300 GeV.
    Description
    This is the publisher's version, also available electronically from http://journals.aps.org/prd/abstract/10.1103/PhysRevD.87.052011.
    URI
    http://hdl.handle.net/1808/15689
    DOI
    https://doi.org/10.1103/PhysRevD.87.052011
    ISSN
    0556-2821
    Collections
    • Physics & Astronomy Scholarly Works [1713]
    Citation
    V. M. Abazov et al. (D0 Collaboration). (2013). "Search for charged massive long-lived particles at s√=1.96  TeV." Physical Review D, 87(5):052011. http://www.dx.doi.org/10.1103/PhysRevD.87.052011.

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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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