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Measurement of the top pair production cross section in the lepton+jets channel using a jet flavor discriminant
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(2011) Measurement of the top pair production cross section in the lepton+jets channel using a jet flavor discriminant. Physical Review D, Vol. 84 (No. 3). doi:10.1103/PhysRevD.84.031101 Research output not available from this repository, contact author.
Official URL: http://dx.doi.org/10.1103/PhysRevD.84.031101
Abstract
We present a new method to measure the top quark pair production cross section and the background rates with data corresponding to an integrated luminosity of 2.7 fb-1 from pp̅ collisions at √s=1.96 TeV collected with the CDF II Detector. We select events with a single electron or muon candidate, missing transverse energy, and at least one b-tagged jet. We perform a simultaneous fit to a jet flavor discriminant across nine samples defined by the number of jets and b tags. An advantage of this approach is that many systematic uncertainties are measured in situ and inversely scale with integrated luminosity. We measure a top cross section of σtt̅ =7.64±0.57(stat+syst)±0.45(luminosity) pb.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science > Physics | ||||
| Journal or Publication Title: | Physical Review D | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 1550-7998 | ||||
| Official Date: | 2011 | ||||
| Dates: |
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| Volume: | Vol. 84 | ||||
| Number: | No. 3 | ||||
| DOI: | 10.1103/PhysRevD.84.031101 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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