TL;DR
This paper explores the properties, production mechanisms, and decay channels of sgluons, scalar particles predicted in certain supersymmetric models, emphasizing their potential signatures at the LHC.
Contribution
It provides a detailed analysis of sgluon interactions, decay modes, and collider signatures, especially focusing on like-sign top pair production and QCD jet treatment.
Findings
Sgluons can be produced singly and in pairs at the LHC.
Dominant decay channels include gluons, top pairs, and top-light quark pairs.
Like-sign top signatures are promising for sgluon detection.
Abstract
Scalar gluons -- or sgluons -- are color octet scalars without electroweak charges. They occur in supersymmetric models of Dirac gauginos as the scalar partners of the gluino and carry Standard-Model type R charge. This allows them to interact with ordinary matter and to be produced at the LHC, singly as well as in pairs. Sgluons dominantly decay into gluons, top pairs, and a top quark plus a light quark. A pair of sgluons decaying into like-sign tops would provide a striking signature at the LHC. In our discussion of this channel we especially focus on the proper treatment of QCD jets.
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