Early (and Later) LHC Search Strategies for Broad Dimuon Resonances

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Early (and Later) LHC Search Strategies for Broad Dimuon Resonances

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Title: Early (and Later) LHC Search Strategies for Broad Dimuon Resonances
Author: Kelley, Randall; Randall, Lisa; Shuve, Brian

Note: Order does not necessarily reflect citation order of authors.

Citation: Kelley, Randall, Lisa Randall, and Brian Shuve. 2011. Early (and later) LHC search strategies for broad dimuon resonances. Journal of High Energy Physics 2011(2): 014.
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Abstract: Resonance searches generally focus on narrow states that would produce a sharp peak rising over background. Early LHC running will, however, be sensitive primarily to broad resonances. In this paper we demonstrate that statistical methods should suffice to find broad resonances and distinguish them from both background and contact interactions over a large range of previously unexplored parameter space. We furthermore introduce an angular measure we call ellipticity, which measures how forward (or backward) the muon is in eta, and allows for discrimination between models with different parity violation early in the LHC running. We contrast this with existing angular observables and demonstrate that ellipticity is superior for discrimination based on parity violation, while others are better at spin determination.
Published Version: doi:10.1007/JHEP02(2011)014
Other Sources: http://arxiv.org/abs/1011.0728
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:7561176

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