Cosmology, galactic astronomy and elementary particle physics

Details Cosmology, galactic astronomy and elementary particle physics Cosmology, galactic astronomy and elementary particle physics

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984rspsa.394....1s&link_type=abstract

Royal Society (London), Proceedings, Series A - Mathematical and Physical Sciences (ISSN 0080-4630), vol. 394, no. 1806, July 9,

Physics

5

Big Bang Cosmology, Elementary Particle Interactions, Galactic Clusters, Galactic Evolution, Unified Field Theory, Baryons, Flavor (Particle Physics), Gravitinos, Mass Distribution, Neutrinos, Nuclear Fusion, Weak Interactions (Field Theory)

Scientific paper

In connection with the recent development of grand unified theories (GUTs) and of supersymmetry (SUSY), and the possibilities provided by these theories for an understanding of the universe, the present investigation is concerned with the need to narrow the gap between the very different disciplines of particle physics and of astronomy. Quantum gravity may provide vital solutions for cosmology, but not much progress has been made with the existing problems in recent times. This situation is in strong contrast to other topics. The inflationary universe is considered, taking into account the horizon problem, the flatness problem, and a prediction which is of fundamental importance for the relationship between elementary particle physics and cosmology. Attention is also given to the missing matter and primordial nucleosynthesis, baryosynthesis, the number of neutrino flavors, massive neutrinos in cosmology and galactic astronomy, and suppression mechanisms for weakly interacting particles.

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