Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984azh....61..817m&link_type=abstract
(Astronomicheskii Zhurnal, vol. 61, July-Aug. 1984, p. 817-819) Soviet Astronomy (ISSN 0038-5301), vol. 28, July-Aug. 1984, p. 4
Astronomy and Astrophysics
Astronomy
4
Dwarf Galaxies, Elementary Particle Interactions, Halos, Hydrogen Clouds, Ionizing Radiation, Radioactive Decay, Hubble Constant, Morphology, Photons, Red Shift, Ultraviolet Radiation, Weak Interactions (Field Theory)
Scientific paper
A simple ionization balance argument is made to show that ionizing ultraviolet radiation from decaying neutrinos may destroy neutral hydrogen clouds near a large galaxy in much less than a dynamical time. This process would inhibit star formation and thereby possibly explain the observed correlation in the morphology of dwarf galaxies with their distances from large galaxies. The decay lifetime utilized in the argument, 4 x 10 to the 24th sec, is a few orders of magnitude shorter than those predicted by Grand Unified Theories. However, spontaneously broken super-symmetry theories may be compatible with this decay lifetime.
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