Strongly Interacting Light Dark Matter
High Energy Physics - Phenomenology
2017-09-27 v3 High Energy Physics - Theory
Abstract
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.
Cite
@article{arxiv.1607.02474,
title = {Strongly Interacting Light Dark Matter},
author = {Sebastian Bruggisser and Francesco Riva and Alfredo Urbano},
journal= {arXiv preprint arXiv:1607.02474},
year = {2017}
}
Comments
6 pages, 2 figures. v3: minor changes