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Search for first generation leptoquark pair production in the electron + missing energy + jets final state

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Article number071104(R)
<mark>Journal publication date</mark>11/10/2011
<mark>Journal</mark>Physical Review D
Issue number7
Number of pages7
Publication StatusPublished
<mark>Original language</mark>English


We present a search for the pair production of first generation scalar leptoquarks (LQ) in data corresponding to an integrated luminosity of 5.4 fb$^{-1}$ collected with the D0 detector at the Fermilab Tevatron Collider in ppbar collisions at $\sqrt{s}=1.96$ TeV. In the channel $LQ \bar{LQ} \rightarrow e\nu_e qq'$, where q, q' are u or d quarks, no significant excess of data over background is observed, and we set a 95% C.L. lower limit of 326 GeV on the leptoquark mass, assuming equal probabilities of leptoquark decays to eq and $\nu_e q'$.

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© 2011 American Physical Society 7 pages, 6 figures, submitted to PRD-RC