Search for scalar leptoquark pairs decaying to electrons and jets in p®p collisions

D0 Collaboration

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We have searched for the pair production of first generation scalar leptoquarks in the eejj channel using the full data set (123pb−1) collected with the D0 detector at the Fermilab Tevatron during 1992-1996. We observe no candidates with an expected background of approximately 0.4 events. Comparing the experimental 95% confidence level upper limit to theoretical calculations of the cross section with the assumption of a 100% branching fraction of eq, we set a lower limit on the mass of a first generation scalar leptoquark of 225 GeV/c2. The results of this analysis rule out the interpretation of the excess of high Q2 events at DESY HERA as leptoquarks which decay exclusively to eq.

    Original languageEnglish (US)
    Pages (from-to)4321-4326
    Number of pages6
    JournalPhysical Review Letters
    Volume79
    Issue number22
    DOIs
    StatePublished - 1997

    ASJC Scopus subject areas

    • General Physics and Astronomy

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