Search for Second-Generation Scalar Leptoquarks in $\mathbf{p}\bar{\mathbf{p}}$ Collisions at $\sqrt{s}$=1.96 TeV

Abstract

Results on a search for pair production of second generation scalar leptoquark in $p\bar{p}$ collisions at $\sqrt{s}$=1.96 TeV are reported. The data analyzed were collected by the CDF detector during the 2002-2003 Tevatron Run II and correspond to an integrated luminosity of 198 pb${}^{-1}$. Leptoquarks (LQ) are sought through their decay into (charged) leptons and quarks, with final state signatures represented by two muons and jets and one muon, large transverse missing energy and jets. We observe no evidence for $LQ$ production and derive 95% C.L. upper limits on the $LQ$ production cross sections as well as lower limits on their mass as a function of $\beta$, where $\beta$ is the branching fraction for $LQ\to \mu q$.

9 pages (3 author list) 5 figures

References in corpus (6)

• Measurement of the J/Psi Meson and b-Hadron Production Cross Sections in ppbar Collisions at sqrt s = 1960 GeV
• Pair production of scalar leptoquarks at the LHC
• First Measurements of Inclusive W and Z Cross Sections from Run II of the Tevatron Collider
• Search for First-Generation Scalar Leptoquarks in $\mathbf{p}\bar{\mathbf{p}}$ collisions at $\sqrt{s}$=1.96 TeV
• Search for first-generation scalar leptoquarks in ppbar collisions at sqrt(s)=1.96 TeV
• Search for Scalar Leptoquark Pairs Decaying to $\nu \bar{\nu }q\bar{q}$ in \ppbar Collisions at $\sqrt{s}=1.96$ TeV

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