Has dark matter decay been detected?

Details Has dark matter decay been detected? Has dark matter decay been detected?

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...324l..43m&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 324, Jan. 15, 1988, p. L43-L46. Research supported

Physics

37

Dark Matter, Galactic Evolution, Intergalactic Media, Neutrinos, Star Formation, Ultraviolet Radiation, Astronomical Observatories, H Alpha Line, Morphology

Scientific paper

Recent astronomical observations suggest a substantial background of extragalactic ionizing radiation. It is shown that the required intensity can be explained by massive neutrino radiative decay. Such a decay will ionize most of the intergalactic hydrogen in the universe. It may account for biasing in galaxy formation by suppressing star formation. Environmental trends in dwarf galaxy morphology and anomalous H-alpha emission from intergalactic H I clouds can also be explained by this flux. A particle physics model which produces such decays with the right lifetime also gives a magnetic moment of just the size recently proposed as an explanation of the solar neutrino deficiency and observed anticorrelation of solar neutrino flux with sunspot activity.

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