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Closing up on dark sectors at colliders : from 14 to 100 TeV.

Harris, Philip and Khoze, Valentin V. and Spannowsky, Michael and Williams, Ciaran (2016) 'Closing up on dark sectors at colliders : from 14 to 100 TeV.', Physical review D., 93 (5). 054030.


-channel) messenger fields: scalar, pseudoscalar, vector or axial-vector. Our analysis extends and updates the previously available results for the LHC at 8 and 14 TeV to 100 TeV for models with all four messenger types. We revisit and improve the analysis at 14 TeV, by studying a variety of analysis techniques, concluding that the most discriminating variables correspond to the missing transverse energy and the azimuthal angle between jets in the final state. Going to 100 TeV, the limits on simplified models of dark matter are enhanced significantly, in particular for heavier mediators and dark sector particles, for which the available phase space at the LHC is restricted. The possibility of a 100 TeV collider provides an unprecedented coverage of the dark sector basic parameters and a unique opportunity to pin down the particle nature of dark matter and its interactions with the standard model.

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Publisher statement:This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
Date accepted:01 March 2016
Date deposited:05 May 2016
Date of first online publication:18 March 2016
Date first made open access:No date available

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