Measurement of the t(t)over-bar production cross section in p(p)over-barcollisions at root s=1.96 TeV using kinematic fitting of b-tagged lepton plus jet events

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doi:10.1103/physrevd.71.072005

Measurement of the t(t)over-bar production cross section in p(p)over-barcollisions at root s=1.96 TeV using kinematic fitting of b-tagged lepton plus jet events

Atıf İçin Kopyala

Acosta D., Adelman J., Affolder T., Akimoto T., Albrow M., Ambrose D., ...Daha Fazla

PHYSICAL REVIEW D, cilt.71, sa.7, 2005 (SCI-Expanded)

Yayın Türü: Makale / Tam Makale
Cilt numarası: 71 Sayı: 7
Basım Tarihi: 2005
Doi Numarası: 10.1103/physrevd.71.072005
Dergi Adı: PHYSICAL REVIEW D
Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
İstanbul Üniversitesi Adresli: Hayır

Özet

We report a measurement of the t (t) over bar production cross section using the CDF II detector at the Fermilab Tevatron. The data consist of events with an energetic electron or muon, missing transverse energy, and three or more hadronic jets, at least one of which is identified as a b-quark jet by reconstructing a secondary vertex. The background fraction is determined from a fit of the transverse energy of the leading jet. Using 162 +/- 10 pb(-1) of data, the total cross section is found to be 6.0 +/- 1.6(stat.)+/- 1.2(syst.) pb, which is consistent with the standard model prediction.