2007/12/18 by Ben Lillie, Jing Shu, Tim M. P. Tait +1 · 3 citations
Physics and Astronomy · #Constraint (computer-aided design) #High-Energy Particle Collisions Research #Large Hadron Collider #Observable #Particle physics theoretical and experimental studies #Physics beyond the Standard Model #Production (economics) #Quantum Chromodynamics and Particle Interactions #Standard Model (mathematical formulation) #Tevatron #Top quark #hep-ph
paper · pdf · doi:10.1088/1126-6708/2008/04/087
published as JHEP 0804:087,2008 · 9 pages, 4 figures
arxiv created 2007/12/18 · openalex publication_date 2008/04/23 · arxiv updated 2009/12/01 · openalex created_date 2019/06/27 · openalex updated_date 2026/08/05
We explore the possibility that the right-handed top quark is composite. We examine the consequences that compositeness would have on t t production at the Tevatron, and derive a weak constraint on the scale of compositeness of order a few hundred GeV from the t t inclusive cross section. More detailed studies of differential properties of t t production could potentially improve this limit. We find that a composite top can result in an enhancement of the t t t t production rate at the LHC (of as much as 103 compared to the Standatd Model four top rate). We explore observables which allow us to extract the four top rate from the backgrounds, and show that the LHC can either discover or constrain top compositeness for wide ranges of parameter space.