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    Search for massive resonances in dijet systems containing jets tagged as W or Z boson decays in pp collisions at s√ = 8 TeV

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    CMS_dijet_systems2014.pdf (710.4Kb)
    Issue Date
    2014-08
    Author
    CMS Collaboration
    Bean, Alice
    Publisher
    Springer Verlag
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
    Show full item record
    Abstract
    A search is reported for massive resonances decaying into a quark and a vector boson (W or Z), or two vector bosons (WW, WZ, or ZZ). The analysis is performed on an inclusive sample of multijet events corresponding to an integrated luminosity of 19.7 fb−1, collected in proton-proton collisions at a centre-of-mass energy of 8 TeV with the CMS detector at the LHC. The search uses novel jet-substructure identification techniques that provide sensitivity to the presence of highly boosted vector bosons decaying into a pair of quarks. Exclusion limits are set at a confidence level of 95% on the production of: (i) excited quark resonances q*decaying to qW and qZ for masses less than 3.2 TeV and 2.9 TeV, respectively, (ii) a Randall-Sundrum graviton GRS decaying into WW for masses below 1.2 TeV, and (iii) a heavy partner of the W boson W′ decaying into WZ for masses less than 1.7 TeV. For the first time mass limits are set on W′ → WZ and GRS → WW in the all-jets final state. The mass limits on q* → qW, q* → qZ, W′ → WZ, GRS → WW are the most stringent to date. A model with a “bulk” graviton Gbulk that decays into WW or ZZ bosons is also studied.
    Description
    This is the published version.
    URI
    http://hdl.handle.net/1808/19308
    DOI
    https://doi.org/10.1007/JHEP08(2014)173
    Collections
    • Physics and Astronomy Scholarly Works [1587]
    Citation
    The CMS collaboration. "Search for massive resonances in dijet systems containing jets tagged as W or Z boson decays in pp collisions at s√ = 8 TeV." Journal of High Energy Physics. August, 2014: v5n8. http://dx.doi.org/10.1007/JHEP08(2014)173

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    785-864-8983
    KU Libraries
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    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
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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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