Title Measurement of the $t\overline{t}$ production cross section in $p\overline{p}$ collisions at $\sqrt{s}$=1.96 TeV using soft electron **b**-tagging Measurement of the $t\overline{t}$ production cross section in $p\overline{p}$ collisions at $\sqrt{s}$=1.96 TeV using soft electron **b**-tagging Author Aaltonen, T. Van Remortel, N. et al. Faculty/Department Faculty of Sciences. Physics Publication type article Publication 2010 Lancaster, Pa , 2010 Subject Physics Source (journal) PHYSICAL REVIEW D Physical review : D : particles and fields. - Lancaster, Pa, 1970 - 2003 Volume/pages 81(2010) :9 , p. 092002,1-092002,18 ISSN 0556-2821 ISI 000278145100006 Carrier E-only publicatie Target language English (eng) Full text (Publishers DOI) Affiliation University of Antwerp Abstract We present a measurement of the top-quark pair-production cross section in pp̅ collisions at √s=1.96  TeV using a data sample corresponding to 1.7  fb-1 of integrated luminosity collected with the Collider Detector at Fermilab. We reconstruct tt̅ events in the lepton+jets channel, consisting of eν+jets and μν+jets final states. The dominant background is the production of W bosons in association with multiple jets. To suppress this background, we identify electrons from the semileptonic decay of heavy-flavor jets (soft electron tags). From a sample of 2196 candidate events, we obtain 120 tagged events with a background expectation of 51±3 events, corresponding to a cross section of σtt̅ =7.8±2.4(stat)±1.6(syst)±0.5(lumi)  pb. We assume a top-quark mass of 175  GeV/c2. This is the first measurement of the tt̅ cross section with soft electron tags in run II of the Tevatron. Full text (open access) https://repository.uantwerpen.be/docman/irua/2e8250/7b38968b.pdf E-info http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000278145100006&DestLinkType=RelatedRecords&DestApp=ALL_WOS&UsrCustomerID=ef845e08c439e550330acc77c7d2d848 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000278145100006&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=ef845e08c439e550330acc77c7d2d848 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000278145100006&DestLinkType=CitingArticles&DestApp=ALL_WOS&UsrCustomerID=ef845e08c439e550330acc77c7d2d848 Handle