Production of Neutral Top-Pion Associated with a Gauge Boson at LHC |
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Authors: | WANG Xue-Lei YU Li-Li SONG Na-Hong WANG Xiao-Xue JIANG Feng-Cun |
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Institution: | 1. College of Physics and Information Engineering,
Henan Normal University, Xinxiang 453007, China
;2. Physics Department, Zhengzhou University of Light Industry
Technology, Zhengzhou 450000, China |
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Abstract: | In this paper, we study the production of the neutral top-pion
(Π0t) associated with a gauge boson at the LHC,
i.e. pp→Π0tV(V=g,W,Z,γ). The cross section
of pp→Π0tg is at the level of 102 pb in the
most parameter space. Such a process with the flavor-changing decay
mode Π0t→
tc might provide viable signatures
to detect Π0t at the LHC. The cross sections of other
processes pp→Π0tW(Z,γ) are too small to detect Π0t, which open a window to distinguish
the Higgs boson in the SM or MSSM from Π0t. |
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Keywords: | topcolor-assisted technicolor model electroweak symmetry breaking top-pion |
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