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    Search for heavy quarks decaying into a top quark and a W or Z boson using lepton + jets events in pp collisions at √s=7 TeV

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    Author
    CMS Collaboration; Adair, A.; Boulahouache, C.; Ecklund, K.M.; Geurts, F.J.M.; More... Li, W.; Padley, B.P.; Redjimi, R.; Roberts, J.; Zabel, J. Less...
    Date
    2013
    Abstract
    Results are presented from a search for the pair-production of heavy quarks, QQ¯¯¯¯, that decay exclusively into a top quark and a W or Z boson. The search is performed using a sample of proton-proton collisions at √s=7 TeV corresponding to an integrated luminosity of 5.0 fb−1, collected by the Compact Muon Solenoid experiment. The signal region is defined using a sample of events containing one electron or muon, missing transverse momentum, and at least four jets with large transverse momenta, where one jet is likely to originate from the decay of a bottom quark. No significant excess of events is observed with respect to the standard model expectations. Assuming a strong pair-production mechanism, quark masses below 675 (625) GeV decaying into tW (tZ) are excluded at the 95 % confidence level.
    Citation
    CMS Collaboration, Adair, A., Boulahouache, C., et al.. "Search for heavy quarks decaying into a top quark and a W or Z boson using lepton + jets events in pp collisions at √s=7 TeV." Journal of High Energy Physics, 2013, no. 154 (2013) Springer: http://dx.doi.org/10.1007/JHEP01(2013)154.
    Published Version
    http://dx.doi.org/10.1007/JHEP01(2013)154
    Keyword
    Hadron-Hadron Scattering
    Type
    Journal article
    Publisher
    Springer
    Citable link to this page
    https://hdl.handle.net/1911/80970
    Rights
    JHEP is an open-access journal funded by SCOAP3 and licensed under CC BY 4.0
    Link to License
    http://creativecommons.org/licenses/by/4.0/
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    • Faculty Publications [4978]
    • Physics and Astronomy Publications [1769]

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    Home | FAQ | Contact Us | Privacy Notice | Accessibility Statement
    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892
    Site Map