Triple top quark production in Standard Model

Abstract

The triple top quark production processes have been investigated and calculated in the scope of the Standard Model. The cross sections for different channels are provided for the proton-proton collision energies of $\sqrt{s}=$ 14 and 100 TeV. The importance of the electroweak contribution has been demonstrated. For the main channels the interference between the gluon and the weak bosons mediated contributions is negative and significant, therefore the complete set of diagrams has to be taken into account. Estimated total rates are about 1.9 fb for $\sqrt{s}=14$ TeV and 530 fb for $\sqrt{s}=100$ TeV. A simple estimation of the uncertainty of the calculated cross sections gives about 20\%. The integrated luminosity of 3 ab${}^{-1}$ at HL-LHC allows expecting about 5700 events, giving a chance to detect this rare process.

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