Vectorlike Confinement at the LHC

Details Vectorlike Confinement at the LHC Vectorlike Confinement at the LHC

2009-06-02

arxiv.org/abs/0906.0577v4

JHEP 1002:018,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

33 pages, 6 figures. v4: expanded discussion of Z_2 symmetry for stability, one reference added

Scientific paper

10.1007/JHEP02(2010)018

We argue for the plausibility of a broad class of vectorlike confining gauge theories at the TeV scale which interact with the Standard Model predominantly via gauge interactions. These theories have a rich phenomenology at the LHC if confinement occurs at the TeV scale, while ensuring negligible impact on precision electroweak and flavor observables. Spin-1 bound states can be resonantly produced via their mixing with Standard Model gauge bosons. The resonances promptly decay to pseudo-Goldstone bosons, some of which promptly decay to a pair of Standard Model gauge bosons, while others are charged and stable on collider time scales. The diverse set of final states with little background include multiple photons and leptons, missing energy, massive stable charged particles and the possibility of highly displaced vertices in dilepton, leptoquark or diquark decays. Among others, a novel experimental signature of resonance reconstruction out of massive stable charged particles is highlighted. Some of the long-lived states also constitute Dark Matter candidates.

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