Searching for Multijet Resonances at the LHC

Details Searching for Multijet Resonances at the LHC Searching for Multijet Resonances at the LHC

2008-10-30

arxiv.org/abs/0810.5542v2

JHEP 0904:128,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

28 pages, 13 figures, pdflatex. Discussion of background expanded, minor modifications made. Version to appear in JHEP

Scientific paper

10.1088/1126-6708/2009/04/128

Recently it was shown that there is a class of models in which colored vector and scalar resonances can be copiously produced at the Tevatron with decays to multijet final states, consistent with all experimental constraints and having strong discovery potential. We investigate the collider phenomenology of TeV scale colored resonances at the LHC and demonstrate a strong discovery potential for the scalars with early data as well as the vectors with additional statistics. We argue that the signal can be self-calibrating and using this fact we propose a search strategy which we show to be robust to systematic errors typically expected from Monte Carlo background estimates. We model the resonances with a phenomenological Lagrangian that describes them as bound states of colored vectorlike fermions due to new confining gauge interactions. However, the phenomenological Lagrangian treatment is quite general and can represent other scenarios of microscopic physics as well.

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