Development of structure in a model universe containing unstable particles

Details Development of structure in a model universe containing unstable particles Development of structure in a model universe containing unstable particles

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985pazh...11..483d&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 11, July 1985, p. 483-489) Soviet Astronomy Letters (ISSN 0360-0327), vol. 11, July-Aug

Astronomy and Astrophysics

Astrophysics

6

Astronomical Models, Cosmology, Elementary Particles, Galactic Clusters, Missing Mass (Astrophysics), Universe, Autocorrelation, Mass Ratios, Neutrinos, Particle Mass, Red Shift

Scientific paper

Computer analysis of a model universe containing unstable elementary particles discloses parameter domains for which the two-point galaxy autocorrelation function, the time scale for nonlinear evolution of structure, and the fractional mass in galaxy clusters and superclusters all are compatible with the observations. A low density for the cold missing-mass component can reconcile the low random velocities measured for galaxies in superclusters with inflationary-universe models having a critical mean density.

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