Light Asymmetric Dark Matter on the Lattice: SU(2) Technicolor with Two Fundamental Flavors

Details Light Asymmetric Dark Matter on the Lattice: SU(2) Technicolor with Two Fundamental Flavors Light Asymmetric Dark Matter on the Lattice: SU(2) Technicolor with Two Fundamental Flavors

2011-09-16

arxiv.org/abs/1109.3513v2

Phys.Rev.D85:014504,2012

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 8 figures, published version

Scientific paper

The SU(2) gauge theory with two massless Dirac flavors constitutes the building block of several models of Technicolor. Furthermore it has also been used as a template for the construction of a natural light asymmetric, or mixed type, dark matter candidate. We use explicit lattice simulations to confirm the pattern of chiral symmetry breaking by determining the Goldstone spectrum and therefore show that the dark matter candidate can, de facto, be constituted by a complex Goldstone boson. We also determine the phenomenologically relevant spin-one and spin-zero isovector spectrum and demonstrate that it is well separated from the Goldstone spectrum.

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