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    Search for third-generation scalar leptoquarks in the tτ channel in proton-proton collisions at s√=8 TeV

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    Murray_2015.pdf (1.656Mb)
    Issue Date
    2015-07-09
    Author
    Baringer, Philip S.
    Bean, Alice
    Murray, Michael J.
    Sanders, Stephen J.
    Publisher
    Springer Verlag
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Rights
    Open Access, Copyright CERN, for the benefit of the CMS Collaboration. Article funded by SCOAP3.
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    Abstract
    A search for pair production of third-generation scalar leptoquarks decaying to top quark and τ lepton pairs is presented using proton-proton collision data at a center-of-mass energy of s√=8 TeV collected with the CMS detector at the LHC and corresponding to an integrated luminosity of 19.7 fb−1. The search is performed using events that contain an electron or a muon, a hadronically decaying τ lepton, and two or more jets. The observations are found to be consistent with the standard model predictions. Assuming that all leptoquarks decay to a top quark and a τ lepton, the existence of pair produced, charge −1/3, third-generation leptoquarks up to a mass of 685 GeV is excluded at 95% confidence level. This result constitutes the first direct limit for leptoquarks decaying into a top quark and a τ lepton, and may also be applied directly to the pair production of bottom squarks decaying predominantly via the R-parity violating coupling λ333′.
    URI
    http://hdl.handle.net/1808/22127
    DOI
    https://doi.org/10.1007/JHEP07(2015)042
    Collections
    • Physics & Astronomy Scholarly Works [1711]
    Citation
    Khachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T., … Erö, J. (2015). Search for third-generation scalar leptoquarks in the tτ channel in proton-proton collisions at s√=8 TeV. J. High Energ. Phys., 2015(7). doi:10.1007/jhep07(2015)042

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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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