Speaker
Dr
Susanne Westhoff
(Mainz University)
Description
Strongly-coupling heavy gauge bosons are predicted in various extensions of the Standard Model. Examples are Kaluza-Klein gluons from extra dimensions or axigluons in models with an enlarged gauge symmetry. I report generic constraints from precision observables and direct production at the LHC. Given these constraints, I discuss the effects of massive colour-octet bosons in top-antitop-quark production. I show that the anomalously large forward-backward asymmetry can be consistently explained within a specific axigluon model.
Authors
Dr
Susanne Westhoff
(Mainz University)
Prof.
Ulrich Haisch
(Mainz University)
