Approved CDF Top Group Results
LEP Electroweak Working Group and Tevatron Electroweak Working Group and D0 Top Group and TeV4LHC workshop
 

CDF II
Top Group Physics Results
mass, properties, single and pair production



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    Channel Description
    (Link to web-page)         		Measurement Integrated Luminosity (pb-1) Date Approved
    Top quark mass
    Summary
    All CDF measurements gif and eps (last updated 04/04/2005)
    CDF and D0 best gif and eps (last updated 04/04/2005)
    lepton+jets Mreco+JES
    0+1+2 Vertex b-tags
    with in-situ W->jj jet energy scale determination     		173.5 +3.7-3.6 (stat+JES) +- 1.7 (syst) GeV/c2
    = 173.5 +4.1-4.0 (total) GeV/c2
    Best single measurement in the world
    Better than previous world average from Run 1     		318 NEW! 03/31/05
    lepton+jets Mreco
    0+1+2 Vertex b-tags     		173.2 +2.9-2.8 (stat) +- 3.4 (syst) GeV/c2
    = 173.2 +4.5-4.4 (total) GeV/c2     		318 NEW! 03/31/05 Conference Note on 04/28/04 result
    lepton+jets >=1 Vertex b-tags, Dynamic Likelihood 177.8 + 4.5 -5.0 (stat) +- 6.2 (syst) GeV/c2 162 04/01/2004
    Conference note
    lepton+jets >=1 Vertex b-tags, multivariate 179.6 +6.4-6.3 (stat) +- 6.8 (syst) GeV/c2 162 05/13/2004 Conference note
    dilepton lepton+isolated track &nu weighting 168.1 + 11.0- 9.8 (stat) +- 8.6 (syst) GeV/c2 200 09/30/2004 Conference note
    dilepton e-e,e-mu,mu-mu Mreco template
    + ttbar Pz    		 176.5 + 17.2- 16.0 (stat) +- 6.9 (syst) GeV/c2 193 08/05/2004 Conference note
    dilepton e-e,e-mu,mu-mu Mreco template
    + &phi of &nu1 and &nu2     		170.0 +- 16.6 (stat) +- 7.4 (syst) GeV/c2 193 09/02/2004 Conference note
    Top pair production: cross-section
    All measurements gif and eps (last updated 01/04/2005)
    Selected measurements vs centre-of-mass energy gif and eps
    dilepton lepton+isolated track
    e-e, e-mu, mu-mu     		7.0 + 2.7 - 2.3 (stat) + 1.5 - 1.4 (syst) pb
    8.4 + 3.2 - 2.7 (stat) + 1.6 - 1.2 (syst) pb
    Combine above:
    7.0 + 2.4 - 2.1 (stat) + 1.7 - 1.2 (syst) pb     		200 FINAL 04/22/2004
    PRL 93, 142001 (2004)
    dilepton inclusive 8.6 + 2.5 - 2.4 (stat) +- 1.1 (syst) pb
    ttbar, WW and Z to tautau cross-sections    		 200 06/10/2004
    Conference note
    lepton+jets Neural Net (fit)
    Total transverse energy (fit)     		6.7 +- 1.1 (stat) +- 1.6 (syst) pb
    4.7 +- 1.6 (stat) +- 1.8 (syst) pb    		 193 03/18/2004
    01/29/2004 Conference Note
    lepton+jets Vertex b-tag + lead jet Et (fit) 6.0 +- 1.6 (stat) +- 1.2 (syst) pb 162 FINAL 09/10/2004 Submitted to PRD
    lepton+jets Vertex b-tag
    Double Vertex b-tag I
    		5.6 + 1.2-1.1(stat) + 0.9-0.6(syst) pb
    5.0 + 2.4-1.9(stat) + 1.1-0.8(syst) pb     		162 FINAL 10/14/2004 Submitted to PRD
    lepton+jets Double Vertex b-tag II 8.2 + 2.4 - 2.1 (stat) + 1.8-1.0 (syst) pb 162 07/15/2004 Conference note
    lepton+jets Soft muon b-tag 5.2 + 2.9 - 1.9 (stat) +1.3 - 1.0 (syst) pb 193 UPDATED 12/16/2004 Conference note
    lepton+jets Jet probability b-tag 5.8 + 1.3 - 1.2 (stat) +- 1.3 (syst) pb 162 Conference note
    all-hadronic Vertex b-tag 7.8 +- 2.5 (stat) + 4.7 - 2.3 (syst) pb 165 04/01/2004 Conference note
    Top quark properties
    lepton+jets BR(t->Wb)/BR(t->Wq) 1.11 + 0.21 - 0.19 (stat) + 0.19 -0.13 (syst)
    > 0.62 @ 95% C.L.    		 162 07/29/2004 Conference Note
    dilepton, lepton+jets &sigmadilepton/&sigmalepton+jets 1.45+0.83-0.55 126,108 03/04/2004
    dilepton BR(t->&tau &nub)/BRSM(t->&tau &nub) < 5.0 @ 95% C.L. 193 04/28/2004 Conference note
    dilepton Search for Anomalous Kinematics 1.0-4.5% 193 FINAL 12/10/2004 Submitted to PRL
    lepton+jets Search for a Heavy Fourth Generation t' Quark Observed upper limit vs t' mass 193 06/10/2004 Conference note
    dilepton, lepton+jets Search for Charged Higgs in top decays Limits on BR(t->H+b) 193 Conference note
    W Helicity
    Plain English explanation
    dilepton, lepton+jets
    Run I     		Mlb2 F+ < 0.18 @ 95% C.L. 109 FINAL 05/23/04 PRD 71, 031101 (2005)
    dilepton, lepton+jets Lepton Pt spectrum F0 = 0.27 + 0.35 -0.21 (stat)+- 0.17 (syst)
    < 0.88 @ 95% C.L.    		 193, 162 04/15/2004 Conference note
    lepton+jets cos&theta * F0= 0.89 +0.30 -0.34 (stat) +- 0.17 (syst)
    > 0.25 @ 95% C.L.    		 162 08/05/2004
    Conference Note
    Search for Single Top production
    lepton+jets combined t+s channels
    t-channel
    s-channel     		<17.8 pb @ 95% C.L.
    <10.1 pb @ 95% C.L.
    <13.6 pb @ 95% C.L.

    		162 FINAL 10/20/2004 PRD 71 012005 (2005)


  • CDF Poster on Top Production and Decay from March 24 2004 ppt
  • Old Summer 2003 results
  • Old Spring 2003 results
  • Top Discovery in 1995
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