Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2004-10-25
Phys.Rev.D71:112001,2005; Erratum-ibid.D71:119901,2005
Physics
High Energy Physics
High Energy Physics - Experiment
7 pages, 2 figures, Submitted to PRL
Scientific paper
10.1103/PhysRevD.71.112001 10.11
We report on a search for the pair production of scalar leptoquarks, $LQ$, using 191 pb$^{-1}$ of proton-antiproton collision data recorded by the CDF experiment during Run II of the Tevatron. The leptoquarks are sought via their decay into a neutrino and quark yielding missing transverse energy and several jets of large transverse energy. No evidence for leptoquark production is observed, and limits are set on $\sigma(p\bar p\to LQ\bar{LQ} X \to \nu\bar\nu q\bar q X)$. Using a next-to-leading order theoretical prediction of the cross section for scalar leptoquark production, we exclude first-generation leptoquarks in the mass interval 78 to 117 GeV$/c^2$ at the 95% confidence level for BR($LQ\to \nu q)=100%$.
Acosta Darin
CDF Collaboration
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