Goldstone Fermion Dark Matter

Details Goldstone Fermion Dark Matter Goldstone Fermion Dark Matter

2011-06-10

arxiv.org/abs/1106.2162v2

JHEP 1109:035,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages, 6 figures. References added, minor typos corrected. Submitted to JHEP

Scientific paper

10.1007/JHEP09(2011)035

We propose that the fermionic superpartner of a weak-scale Goldstone boson can be a natural WIMP candidate. The p-wave annihilation of this `Goldstone fermion' into pairs of Goldstone bosons automatically generates the correct relic abundance, whereas the XENON100 direct detection bounds are evaded due to suppressed couplings to the Standard Model. Further, it is able to avoid indirect detection constraints because the relevant s-wave annihilations are small. The interactions of the Goldstone supermultiplet can induce non-standard Higgs decays and novel collider phenomenology.

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