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Article Dans Une Revue Phys.Lett.B Année : 2018

Cornering sgluons with four-top-quark events

Résumé

The existence of colour-octet scalar states, often dubbed sgluons, is predicted in many extensions of the Standard Model of particle physics, such as supersymmetric realisations featuring Dirac gauginos. Such states have a large pair-production rate at hadron colliders and mainly decay into pairs of jets and top quarks. Consequently, they represent a primary target for experimental searches for new resonances in the multijet and multitop channels at the Large Hadron Collider. Adopting a phenomenologically-motivated simplified model, we reinterpret the results of a recent experimental search for the four-top-quark Standard Model signal, from which we constrain the sgluon mass to be larger than about 1.06 TeV. We additionally consider how modifications of the existing four-top-quark studies could enhance our ability to unravel the presence of scalar octets in data.
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Dates et versions

hal-01815158 , version 1 (06-02-2024)

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Luc Darmé, Benjamin Fuks, Mark Goodsell. Cornering sgluons with four-top-quark events. Phys.Lett.B, 2018, 784, pp.223-228. ⟨10.1016/j.physletb.2018.08.001⟩. ⟨hal-01815158⟩
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