Papers › Simulating toponium formation signals at the LHC
Simulating toponium formation signals at the LHC
Benjamin Fuks, Kaoru Hagiwara, Kai Ma, Ya-Juan Zheng
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We present a method to simulate toponium formation events at the LHC using the Green's function of non-relativistic QCD in the Coulomb gauge, which governs the momentum distribution of top quarks in the presence of the QCD potential. This Green's function can be employed to re-weight any matrix elements relevant for tt̅ production and decay processes where a colour-singlet top-antitop pair is produced in the S-wave at threshold. As an example, we study the formation of ηₜ toponium states in the gluon fusion channel at the LHC, combining the re-weighted matrix elements with parton showering.
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