Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-10-22
Phys.Lett. B450 (1999) 215-219
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, typos corrected, new references added
Scientific paper
10.1016/S0370-2693(99)00106-9
By extending the scalar sector of the Standard Model (SM) by a U(1) singlet, we show that the electroweak symmetry breaking enables the formation of a stable, electrically neutral, colorless Q-ball which couples to the SM particle spectrum solely through the Higgs boson. This Q-ball has mainly weak and gravitational interactions, and behaves as a collection of weakly interacting massive particles. Therefore, it can be a candidate for the dark matter in the universe.
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