Phenomenology of $U(1)_{L_μ- L_τ}$ charged dark matter at PAMELA/FERMI and colliders

Details Phenomenology of $U(1)_{L_μ- L_τ}$ charged dark matter at PAMELA/FERMI and colliders Phenomenology of $U(1)_{L_μ- L_τ}$ charged dark matter at PAMELA/FERMI and colliders

2008-11-11

arxiv.org/abs/0811.1646v4

JCAP 0910:011,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 5 figures; minor changes

Scientific paper

10.1088/1475-7516/2009/10/011

Recent data on $e^+/e^-$ and $\bar{p}$ cosmic rays suggest that dark matter annihilate into the standard model (SM) particles through new leptophilic interaction. In this paper, we consider a standard model extension with the gauged $U(1)_{L_\mu - L_\tau}$ group, with a new Dirac fermion charged under this U(1) as a dark matter. We study the muon $(g-2)_\mu$, thermal relic density of the cold dark matter, and the collider signatures of this model. $Z^{'}$ productions at the Tevatron or the LHC could be easily order of $O(1)-O(10^3)$ fb.

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