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Search for resonant t(t)over-bar production in p(p)over-bar collisions at root s=1.96 TeV

Aaltonen, T; Abulencia, A; Adelman, J; Akimoto, T; Albrow, MG; Gonzalez, BA; Amerio, S; ... Zucchelli, S; + view all (2008) Search for resonant t(t)over-bar production in p(p)over-bar collisions at root s=1.96 TeV. PHYS REV LETT , 100 (23) , Article 231801. 10.1103/PhysRevLett.100.231801. Green open access

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Abstract

We report on a search for narrow-width particles decaying to a top and antitop quark pair. The data set used in the analysis corresponds to an integrated luminosity of 680 pb(-1) collected with the Collider Detector at Fermilab in run II. We present 95% confidence level upper limits on the cross section times branching ratio. Assuming a specific top-color-assisted technicolor production model, the leptophobic Z(') with width Gamma(Z)' =0.012M(Z)', we exclude the mass range M-Z' < 725 GeV/c(2) at the 95% confidence level.

Type: Article
Title: Search for resonant t(t)over-bar production in p(p)over-bar collisions at root s=1.96 TeV
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.100.231801
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.100.231801
Language: English
Additional information: © 2008 The American Physical Society
Keywords: TOP-QUARK PRODUCTION, COLLIDER DETECTOR, LIKELIHOOD METHOD, MISSING MOMENTUM, PHYSICS, RECONSTRUCTION, TECHNICOLOR, FERMILAB, EVENTS
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/131674
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