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We give an estimation of the masses of light dark matter particle and darkenergy quasiparticle which can be extracted from the astrophysical data aboutthe contributions of baryon, dark matter, and dark energy densities to thetotal matter-energy density budget in our universe. We use the quantumcosmological model in which dark energy is a condensate of quantum oscillationsof primordial scalar field. The dark energy quasiparticle with the mass ~ 15GeV is consistent with the 7-year WMAP and other data. The quasiparticles candecay with violation of CP-invariance into baryons, leptons, and dark matter.The WIMP mass ~ 5 GeV corresponds to observed values of baryon and dark matterenergy densities. Such a mass agrees with the observations of CoGeNT, DAMA, andCDMS. Quasiparticles of dark energy can be registered as a constant backgroundof radiation with the frequency ~ 3.64 x 10^{24} 1/s. Dark matter particlesmust exhibit themselves in the form of signals with the frequency ~ 1.21 x10^{24} 1/s of radiation from galaxy clusters where the intensive gravitationalfields produced by dark matter exist.

Dark energy and light WIMP dark matter from the cosmological viewpoint