English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

We present a comprehensive analysis of top-philic Majorana dark matter thatinteracts via a colored t-channel mediator. Despite the simplicity of the model-- introducing three parameters only -- it provides an extremely richphenomenology allowing us to accommodate the relic density for a large range ofcoupling strengths spanning over six orders of magnitude. This model featuresall `exceptional' mechanisms for dark matter freeze-out, including the recentlydiscovered conversion-driven freeze-out mode, with interesting signatures oflong-lived colored particles at colliders. We constrain the cosmologicallyallowed parameter space with current experimental limits from direct, indirectand collider searches, with special emphasis on light dark matter below the topmass. In particular, we explore the interplay between limits from Xenon1T,Fermi-LAT and AMS-02 as well as limits from stop, monojet and Higgs invisibledecay searches at the LHC. We find that several blind spots for light darkmatter evade current constraints. The region in parameter space where the relicdensity is set by the mechanism of conversion-driven freeze-out can beconclusively tested by R-hadron searches at the LHC with 300\,fb$^{-1}$.

Top-philic dark matter within and beyond the WIMP paradigm