Searching for super-WIMPs in leptonic heavy meson decays

Details Searching for super-WIMPs in leptonic heavy meson decays Searching for super-WIMPs in leptonic heavy meson decays

2012-01-04

arxiv.org/abs/1201.1007v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 3 figures, 6 tables

Scientific paper

We study constraints on the models of bosonic super-weakly interacting particle (super-WIMP) dark matter (DM) with DM masses $m_X \sim \mathcal{O}(1 - 100)$ keV from leptonic decays $M\rightarrow \ell \bar{\nu}_\ell + X$, where $M=B^\pm, D^\pm, D_s^\pm$ is a heavy meson state. We focus on two cases where $X$ denotes either a light pseudoscalar (axion-like), or a light vector state that couples to the standard model (SM) through kinetic mixing. We note that for a small DM mass these decays are separately sensitive to DM couplings to quarks, but not its mass.

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