Search for first generation scalar leptoquark pairs in pp collisions at √ s = 1.8 TeV

D0 Collaboration

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63 Citas (Scopus)

Resumen

We have searched for first generation scalar leptoquark (LQ) pairs in the ev + jets channel using pp collider data (∫L dt ≈ 115pb-1) collected by the D0 experiment at the Fermilab Tevatron during 1992-1996. The analysis yields no candidate events. We combine the results with those from the ee + jets vv + jets channels to obtain 95% confidence level (C.L.) upper limits on the LQ pair production cross section as a function of mass and of β, the branching fraction to a charged lepton. Comparing with the next-to-leading order theory, we set 95% C.L. lower limits on the LQ mass of 225, 204, and 79 GeV/c2 for β = 1, 1/2, and 0, respectively.

Idioma originalInglés
Páginas (desde-hasta)2051-2056
Número de páginas6
PublicaciónPhysical Review Letters
Volumen80
N.º10
DOI
EstadoPublicada - 1998

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