two gamma event

Edezhath
Jan
2014

Ralph Edezhath

Leptophilic Minimal Dark Matter

Jan. 29, 2014

pdf file mp4 file

Abstract: We study a class of minimal renormalizable models that explain dark matter as a thermal relic interacting with leptons and lepton-like ”partner” particles is studied. The observed relic abundance is used to fix the strength of the cubic interaction between dark matter, leptons and partners. Constraints from direct detection and leptons+MET searches are used to place limits on the dark matter and partner masses. The dominant channel for direct detection is through loop mediated scattering with nuclei. We find that direct detection experiments are generally more constraining than collider limits in the case where the dark matter is not self-conjugate. In the other cases the event rates are far below the sensitivity of current and
projected direct detection experiments.

Time: 12:10pm-1:10pm

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