2010/11/29 by V.E. Kuzmichev, V. E. Kuzmichev, Kuzmichev, V. E. +2
Physics and Astronomy · #Cosmology and Gravitation Theories #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #High Energy Physics - Phenomenology (hep-ph) #Particle physics theoretical and experimental studies #astro-ph.CO #gr-qc #hep-ph
paper · pdf · doi:10.48550/arxiv.1011.6196
15 pages, 2 EPS figures, v.2: a few sections are revised, additional explanations and some corrections are provided
openalex publication_date 2010/11/29 · arxiv created 2011/01/27 · arxiv updated 2011/01/28 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
In this paper we propose a model of production of ordinary and dark matter in the decay of a hypothetical antigravitating medium in the form of a condensate of (zero-momentum) spinless massive particles (denoted as ϕ) which fills the universe. The decays of ϕ-particles into baryons, leptons, and dark matter particles are caused by some (after-GUT) interaction with the mass scale between the electroweak and grand unification. The observed dark energy is identified with a portion of a condensate which has not decayed up to the instant of measurement. The decay rate of ϕ-particles Γϕ is expressed through the three parameters - the coupling constant αX, the mass scale MX which defines the mass of X-particle as the mediator of after-GUT interaction, and the energy imparted to the decay products. We show that the masses of dark matter particle mχ≈ 5 GeV and ϕ-particle mϕ≈ 15 GeV can be extracted from the 7-year WMAP and other astrophysical data about the contributions of baryon, dark matter, and dark energy densities to the total matter-energy density budget in our universe. Such a mass of light WIMP dark matter agrees with the recent observations of CoGeNT, DAMA, and CDMS. The obtained masses of ϕ- and dark matter particle are concordant with the coupling constant of after-GUT interaction αX ∼ 1/70 at MX ∼ 6 × 1010 GeV, and the decay rate Γϕ ≈ 2 × 10-18 s-1. The cross-sections of the reactions in which dark matter particles can be produced are calculated