Search for first-generation scalar leptoquarks in pp¯ collisions at √s=1.96 TeV

Abazov, V. M. ; Mondal, N. K. ; et., al (2005) Search for first-generation scalar leptoquarks in pp¯ collisions at √s=1.96 TeV Physical Review D - Particles, Fields, Gravitation and Cosmology, 71 (7). 071104_1-071104_7. ISSN 1550-7998

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Official URL: http://prd.aps.org/abstract/PRD/v71/i7/e071104

Related URL: http://dx.doi.org/10.1103/PhysRevD.71.071104

Abstract

We report on a search for pair production of first-generation scalar leptoquarks (LQ) in pp¯ collisions at √s=1.96 TeV using an integrated luminosity of 252 pb-1 collected at the Fermilab Tevatron collider by the D∅ detector. We observe no evidence for LQ production in the topologies arising from LQLQ∃→eqeq and LQLQ̅ →eqvq, and derive 95% C.L. lower limits on the LQ mass as a function of β, where β is the branching fraction for LQ→eq. The limits are 241 and 218 GeV/c2 for β=1 and 0.5, respectively. These results are combined with those obtained by D∅ at √s=1.8 TeV, which increases these LQ mass limits to 256 and 234 GeV/c2.

Item Type:Article
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ID Code:88262
Deposited On:27 Mar 2012 11:43
Last Modified:27 Mar 2012 11:43

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