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Strongly Interacting Light Dark Matter

by Sebastian Bruggisser, Francesco Riva, Alfredo Urbano

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Submission summary

As Contributors: Sebastian Bruggisser · Francesco Riva
Arxiv Link: (pdf)
Date accepted: 2017-08-14
Date submitted: 2017-07-06 02:00
Submitted by: Riva, Francesco
Submitted to: SciPost Physics
Academic field: Physics
  • Gravitation, Cosmology and Astroparticle Physics
  • High-Energy Physics - Experiment
  • High-Energy Physics - Theory
  • High-Energy Physics - Phenomenology
Approach: Theoretical


In the presence of approximate global symmetries that forbid relevant interactions, strongly coupled light Dark Matter (DM) can appear weakly coupled at small energy and generate a sizable relic abundance. Fundamental principles like unitarity restrict these symmetries to a small class, where the leading interactions are captured by effective operators up to dimension-8. Chiral symmetry, spontaneously broken global symmetries and non-linearly realized supersymmetry are examples of this. Their DM candidates (composite fermions, pseudo Nambu-Goldstone Bosons and Goldstini) are interesting targets for LHC missing-energy searches.

Ontology / Topics

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Dark matter Goldstini Large Hadron Collider (LHC) Supersymmetry

Published as SciPost Phys. 3, 017 (2017)

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