Study of ttbar Production in ppbar Collisions Using Total Transverse Energy

Details Study of ttbar Production in ppbar Collisions Using Total Transverse Energy Study of ttbar Production in ppbar Collisions Using Total Transverse Energy

1995-06-13

arxiv.org/abs/hep-ex/9506006v1

Phys.Rev.Lett.75:3997,1995

Physics

High Energy Physics

High Energy Physics - Experiment

Postscript file (gzip+uuencode). 5-page, two-column PRL format (RevTex). Submitted to Phys. Rev. Lett. 09 June 1995

Scientific paper

10.1103/PhysRevLett.75.3997

We analyze a sample of W + jet events collected with the Collider Detector at Fermilab (CDF) in ppbar collisions at sqrt(s) = 1.8 TeV to study ttbar production. We employ a simple kinematical variable "H", defined as the scalar sum of the transverse energies of the lepton, neutrino and jets. For events with a W boson and four or more jets, the shape of the "H" distribution deviates by 3.8 standard deviations from that expected from known backgrounds to ttbar production. However this distribution agrees well with a linear combination of background and ttbar events, the agreement being best for a top mass of 180 GeV/c^2.

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