Fermion portal dark matter

By Yang Bai, J. Berger. 2013

151 citations recorded by the source corpus.

A bstractWe study a class of simplified dark matter models in which one dark matter particle couples with a mediator and a Standard Model fermion. In such models, collider and direct detection searches probe complimentary regions of parameter space. For Majorana dark matter, direct detection covers the region near mediator-dark matter degeneracy, while colliders probe regions with a large dark matter and mediator mass splitting. For Dirac and complex dark matter, direct detection is effective for the entire region above the mass threshold, but colliders provide a strong bound for dark matter lighter than a few GeV. We also point out that dedicated searches for signatures with two jets or a monojet not coming from initial state radiation, along missing transverse energy can cover the remaining parameter space for thermal relic dark matter.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/bf55e17bdd3991b4ba0012a50b45376c446f055d

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Citations in the corpus

Characterising dark matter searches at colliders and direct detection experiments: vector mediators (2014, unknown): “[9] for a comprehensive list), including both s-channel and t-channel mediators [35–41].”
Recommendations on presenting LHC searches for missing transverse energy signals using simplified s-channel models of dark matter (2016, methodology): “For the vector mediator, An orthogonal set of models describe t-channel exchange [22–25].”
Benchmarks for dark matter searches at the LHC (2014, background): “This has motivated new and more model-independent strategies for DM searches at colliders, and led to a vast literature on the subject [1–88].”