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Universe 2017, 3(2), 41; doi:10.3390/universe3020041

Blind Spots for Direct Detection with Simplified DM Models and the LHC

1
Consortium for Fundamental Physics, Department of Physics and Astronomy, University of Sheffield, Sheffield S3 7RH, UK
2
Consortium for Fundamental Physics, Department of Physics and Astronomy, University of Manchester, Manchester M13 9PL, UK
3
Fakultät für Physik, TU Dortmund, Otto-Hahn-Str.4, D-44221 Dortmund, Germany
4
National Centre for Nuclear Research, Hoża 69, 00-681 Warsaw, Poland
Speaker at “Varying Constants and Fundamental Cosmology”—VARCOSMOFUN’16.
*
Author to whom correspondence should be addressed.
Academic Editors: Mariusz P. Dabrowski, Manuel Krämer and Vincenzo Salzano
Received: 1 February 2017 / Revised: 28 April 2017 / Accepted: 2 May 2017 / Published: 11 May 2017
(This article belongs to the Special Issue Varying Constants and Fundamental Cosmology)
View Full-Text   |   Download PDF [2701 KB, uploaded 11 May 2017]   |  

Abstract

Using the existing simplified model framework, we build several dark matter models which have suppressed spin-independent scattering cross section. We show that the scattering cross section can vanish due to interference effects with models obtained by simple combinations of simplified models. For weakly interacting massive particle (WIMP) masses ≳10 GeV, collider limits are usually much weaker than the direct detection limits coming from LUX or XENON100. However, for our model combinations, LHC analyses are more competitive for some parts of the parameter space. The regions with direct detection blind spots can be strongly constrained from the complementary use of several Large Hadron Collider (LHC) searches like mono-jet, jets + missing transverse energy, heavy vector resonance searches, etc. We evaluate the strongest limits for combinations of scalar + vector, “squark” + vector, and scalar + “squark” mediator, and present the LHC 14 TeV projections. View Full-Text
Keywords: dark matter; simplified models; direct detection; blind spots; LHC dark matter; simplified models; direct detection; blind spots; LHC
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Choudhury, A.; Kowalska, K.; Roszkowski, L.; Sessolo, E.M.; Williams, A.J. Blind Spots for Direct Detection with Simplified DM Models and the LHC. Universe 2017, 3, 41.

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