Abstract
The possibility of discovering top-antitop resonances with masses of 700, 1000, 1500, 2000, and 3000 GeV/c 2 at proton-proton collision energy of 14 TeV in the center of a mass system is considered. The minimum cross sections for the resonance production necessary for their detection in a lepton + jets channel of \( t\mathop t\limits^ - \) pair decay with a 5σ confidence level is estimated. The analysis is performed both with and without taking into account the possibility of hadronic jets reconstruction from b quarks (b-tagging).
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References
ATLAS Collab., ATLAS Technical Design Report 15, CERN/LHCC 99-015, Vols. I, II (1999).
E. Accomando et al., Phys. Rev. 299, 1–78 (1998); A. Djouadi, “The Anatomy of Electro-Weak Symmetry Breaking. I. The Higgs Boson in the Standard Model,” hep-ph/0503172.
S. Gonzales, “MSSM Higgs Decay to Top Quarks,” ATL-PHYS-2000-006; S. Gonzales, “Comparison btween Full and Fast Simulation of the ATLAS Detector for the Channel H/A→ \( t\mathop t\limits^ - \),” ATL-HYS-2003-019.
C. T. Hill and Parke, Phys. Rev. D: Part. Fields 49, 4454 (1994).
R. Casalbuoni et al., Z. Phys. C 69, 519 (1996).
Schwanenberger (CDF and DX0 Collab.), PoS HEP2005, 349 (2006); hep-ex/0602048.
CDF Collab., CDF/ANAL/EXOTIC/PUBLIC8421 (2006).
T. Sjostrand et al., “PYTHIA 6.3 Physics and Manual,” hep-ph/0308153 (2003).
S. Frixione and B. R. Webber, “The MC@NLO 2.3 Event Generator,” hep-ph/0402116 (2004).
J. Pumplin et al., “New Generation of Parton Distributions with Uncertainties from Global QCD Analysis,” JHEP 0207, 012 (2002).
M. Jezabek and J. H. Kuhn, “QCD Corrections to Semileptonic Decays of Heavy Quarks,” Nucl. Phys. B 314, 1 (1989).
A. B. Balantekin, “Review of Particle Physics (PDG),” Nucl. Part. Phys. 33, 1 (2006).
E. Khramov et al., “Search for \( t\mathop t\limits^ - \) Resonances with the ATLAS Detector,” ATL-PHYS-INT-2007-010.
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Original Russian Text © E.V. Khramov, A.N. Tonoyan, V.A. Bednyakov, N.A. Rusakovich, 2008, published in Pis’ma v Zhurnal Fizika Elementarnykh Chastits i Atomnogo Yadra, 2008, No. 6 (148), pp. 865–873.
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Khramov, E.V., Tonoyan, A.N., Bednyakov, V.A. et al. On the possibility of the search for top-antitop resonances at LHC. Phys. Part. Nuclei Lett. 5, 515–519 (2008). https://doi.org/10.1134/S1547477108060058
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DOI: https://doi.org/10.1134/S1547477108060058