Measurement of the Single Top Quark Production Cross Section at CDF

CDF Collaboration, Victoria Martin

Research output: Contribution to journalArticlepeer-review

Abstract

We report a measurement of the single top quark production cross section in 2.2 ~fb-1 of p-pbar collision data collected by the Collider Detector at Fermilab at sqrt{s}=1.96 TeV. Candidate events are classified as signal-like by three parallel analyses which use likelihood, matrix element, and neural network discriminants. These results are combined in order to improve the sensitivity. We observe a signal consistent with the standard model prediction, but inconsistent with the background-only model by 3.7 standard deviations with a median expected sensitivity of 4.9 standard deviations. We measure a cross section of 2.2 +0.7 -0.6(stat+sys) pb, extract the CKM matrix element value
Original languageEnglish
JournalPhysical Review Letters
Volume101
DOIs
Publication statusPublished - 2008

Keywords

  • hep-ex

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