Abstract
In the framework of the topcolor-assisted technicolor (TC2) model we investigate the flavor-changing neutral-current production pp → tc̄h0t at the Large Hadron Collider (LHC), which proceeds through the parton-level processes gg → tc̄h0t, uū → tc̄h0t and dd → tc̄h0t. We calculate the production rate and present the distributions of the transverse momenta and the invarient mass of the neutral top-higgs. It is found that the cross section of pp → tc̄h0t can reach a few hundreds of fb in a large part of the allowed parameter space. Considering the main decay mode of top-higgs for mht < 2mt, we find that such a production may provide copious events. In the case of unobservation, the LHC can set meaningful constraints on the TC2 model.
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